how to change safety valve of pressure cooker made in china

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If the pressure inside the pressure cooker is too high, the alloy will melt and the steam will escape, so the pressure cooker will not explode.Once the alloy melts, you must replace the valve before you can use the pressure cooker again.Some manufacturers recommend replacing the safety valve on the stove every six months.

Check the valve to make sure replacement is necessary.Check that the metal stem through the cover is free to move and that the gasket shows signs of drying and cracking.Replace valve if stem does not swing on seat and washer is no longer soft.

2. Loosen nut controlling alloy stem with an adjustable wrench.The valve is usually located on the side of the main stem on the bonnet, with the main stem in the center of the bonnet.

1, first add the right amount of water in the pot, will cut the chicken pieces into the water, the water over the chicken, the fire boil immediately remove the chicken to wash

2, clean the chicken in the pressure cooker, add thick ginger, spring onion, 2 root, add a tablespoon of rice wine (preferably in shaoxing rice wine) in the cleaned, Chinese wolfberry, dangshen, Chinese angelica (less put, a small piece), jujube (4, 5 grain of can, more will be a sour soup), 3 longan pulp, such as fear of lose, can get rid of angelica, add 5 g jade bamboo, pearl barley, add a little less salt (make chicken flavor), add water after a chicken an inch or so, cover the pot and valve, boil over the stove fire;

3, pressure cooker steam after changing the medium pressure for 5 minutes, and then change the low pressure for 10 minutes (can keep the soup is clear, not turbid), turn off the heat and wait for pressure cooker reduced;

4, steam open the pot cover, pick up the ginger and onion, add the right amount of salt and chicken essence seasoning (according to personal preference), a pot of delicious chicken soup is done, drink it!

5, if it is with ordinary soup pot stew, water to add more, not the middle of the water, otherwise the soup is not mellow; Simmer over high heat for 10 minutes, then simmer on low heat for 1 hour (for young chicken, double the time for old hen), season to taste;

Prevent blasting and emergency ventilation when the vent is blocked or the pot pressure is too high. The safety hole is actually connected to the inside but is cut off by a layer of aluminum tin metal.

The purpose of this utility model is: a kind of pressure cooker safety stopping valve with indication pot inner pressure size is provided.The utility model is achieved through the following technical solutions:

A kind of pressure cooker safety stopping valve, valve rod is positioned in the pot cover by valve seat, and the safety valve spool is installed in the valve rod, on the safety valve spool spring is housed, and it is characterized in that: described valve seat bottom is provided with elastic sealing element, and valve rod top is provided with pressure indication section.Because the valve seat bottom is provided with elastic sealing element, behind gas on the pressure cooker, elastic sealing element sealed valve stem and valve seat.When pot inner pressure changes, valve rod can move up and down according to the variation of the pressure in the pot, this moment, elastic sealing element will valve rod and valve base sealing, made the pressure indication section on safe stopping valve of the present utility model top can indicate the pot inner pressure size, made things convenient for the use of pressure cooker.

In the utility model, described elastic sealing element is the elastic sealing element with fold.Elastic sealing element with fold can be when valve rod moves up and down, still reliable sealed valve stem and valve seat.

In the utility model, be provided with the seal spring in the described elastic sealing element with fold.Spring can make the sealing of elastic sealing element more reliable, makes the pressure indication more accurate simultaneously.

In the utility model, described pressure indication section is a plurality of pressure indicating rings.The indication of pressure indicating ring is clear and definite, easily manufactured.

This book examines information and public opinion control by the authoritarian state in response to popular access to information and upgraded political communication channels among the citizens in contemporary China. Empowered by mass media, particularly social media and other information technology, Chinese citizen’s access to information has been expanded. Publicly focusing events and opinions have served as catalysts to shape the agenda for policy making and law making, narrow down the set of policy options, and change the pace of policy implementation. Yet, the authoritarian state remains in tight control of media, including social media, to deny the free flow of information and shape public opinion through a centralized institutional framework for propaganda and information technologies. The evolving process of media control and public opinion manipulation has constrained citizen’s political participation and strengthened Chinese authoritarianism in the information age. The chapters originally published as articles in the Journal of Contemporary China.

The Internet was supposed to be an antidote to authoritarianism. It can enable citizens to express themselves freely and organize outside state control. Yet while online activity has helped challenge authoritarian rule in some cases, other regimes have endured: no movement comparable to the Arab Spring has arisen in China. In Contesting Cyberspace in China, Rongbin Han offers a powerful counterintuitive explanation for the survival of the world’s largest authoritarian regime in the digital age.

Han reveals the complex internal dynamics of online expression in China, showing how the state, service providers, and netizens negotiate the limits of discourse. He finds that state censorship has conditioned online expression, yet has failed to bring it under control. However, Han also finds that freer expression may work to the advantage of the regime because its critics are not the only ones empowered: the Internet has proved less threatening than expected due to the multiplicity of beliefs, identities, and values online. State-sponsored and spontaneous pro-government commenters have turned out to be a major presence on the Chinese internet, denigrating dissenters and barraging oppositional voices. Han explores the recruitment, training, and behavior of hired commenters, the “fifty-cent army,” as well as group identity formation among nationalistic Internet posters who see themselves as patriots defending China against online saboteurs. Drawing on a rich set of data collected through interviews, participant observation, and long-term online ethnography, as well as official reports and state directives, Contesting Cyberspace in China interrogates our assumptions about authoritarian resilience and the democratizing power of the Internet.

Such a valve assembly is known from German laying-open print DOS No. 2,606,676. The pressure relief means thereof consists of a check valve which also serves as a safety valve. It has a valve housing of a resilient material which is fitted into a hole in the cover in the vicinity of the cooking valve aperture. The closure body is designed as a shaft-shaped valve body, transverses the valve opening and supports two spaced valve disks inside the cover as well as a dome-shaped head outside the cover. The head abuts against the valve opening in the pressureless state. As the pressure builds up in the pressure-cooker, however, the valve body is lifted and the upper valve disk closes off the valve opening internally so that the pressure in the cooker can build up. When the pressure becomes excessive, the upper valve disk can move outwardly through the valve opening of the valve housing. This allows steam to escape through the valve opening. The second valve disk preventing the valve body from being blown off the cooker although it does not obstruct the escape of steam. The cooking valve usually comprises a spring-loaded valve and a displaceable pressure indicator for the cooker which is located therein and is also spring-loaded. The springs press against the interior of a cap which is adapted to be screwed on to the valve housing. In the known valve assembly, the cap of the cooking valve has an asymmetrical design on the underside facing towards the cooker cover. It features a guide bevel at this location which reduces its clearance height. In the normal cooking position, the area with the maximum inner clearance height overlaps or overlies the check valve. When the cap is screwed off, the area with a minimum clearance height comes to lie above the check valve over which it can move without obstruction when the head of the check valve abuts against the outer side of the valve seat in the completely pressureless state. If the check valve has closed due to the internal build-up of pressure in the cooker, ie if the upper valve disk abuts against the valve seat, the guide bevel presses the valve body of the check valve downwardly and steam can escape through the check valve. The pressure in the cooker is relieved, whilst the person using the cooker is warned simultaneously by the sound of the escaping steam not to unscrew the cap any farther. If the valve body has been raised only slightly owing to a slight superpressure in the cooker, eg at the onset of pressure build-up, an additional stop which projects into the clearance height prevents the cap from being rotated any farther.

The known valve assembly is expensive to manufacture, since it requires a valve housing and a valve body for the pressure relief means. These parts are expensive to manufacture and to assemble. The cap of the cooking valve is also expensive to produce owing to its asymmetrical shape, and the dimensions of the guide bevel as well as the region of reduced clearance height must be kept within a narrow tolerance range: the valve body must be pressed downwardly to open the valve on the one hand, although on the othe hand this must not be so far that the valve head closes the opening externally. Another drawback is that when the cap is rotated into the open position, the stop jams the head of the valve body and this cannot return to its original position, even when the cooker is not under pressure, until the cap has been turned back somewhat. When the check valve functions as a safety valve, the valve disk cannot automatically turn back any longer due to the valve opening. The cap cannot be screwed off over the projecting valve body either. This makes it impossible to gain access to the valve body and return it to the normal position. Yet another disadvantage is that the valve body of the check valve can only be cleaned thoroughly--quite essential for proper sealing--if it has been snapped out of the valve disk. Since this is complicated and troublesome, such cleaning is frequently postponed or forgotten completely.

A valve assembly comprising a pressure relief means disposed adjacent to the cooking valve is also known from German utility model No. 7,624,730. The pressure relief means is designed as a safety valve in the form of a check valve. The cap of the cooking valve has indents on the periphery thereof. Both valves are spatially associated with one another such that the valve body can be raised adjacent to such an indent only when the cap is in certain positions. The check valve can be closed and pressure built up in the cooker only in this position. When the valve body is in the raised position, ie when pressure has built up in the cooker, the valve body in turn locks the cap of the cooking valve which cannot be rotated. Hence, the vent opening cannot be opened by adjusting the cap. This known valve assembly, which therefore does not correspond to the preamble of the present invention, is expensive to manufacture due to the design of the check valve. It is also difficult to clean, since the steam is dissipated to one side through a cavity in the cooking valve beneath the cap when the safety valve responds to excessive pressure. These cavities are difficult to reach, even after the cap has been removed. Furthermore, the valve body cannot be turned back into its original position until after the safety valve has responded and the excess pressure has been vented off. Only then can the cap be removed from the cooking valve.

The object of the present invention is to provide a valve assembly according to the preamble of the claim which is economical to manufacture, easy to clean and simple to operate in all modes of operation.

The construction of the closure body as a seal disposed on the cap makes it possible to design the vent opening in the form of a simple hole in the cover without any valve housing. Such a hole can be produced during one and the same operation as the hole for the cooking valve. It is easy to clean. The arrangement of the associated seal in the cap gives rise to a constructional design which is simple and easy to clean. This construction of the pressure relief means is made possible by the recognition that the vent opening need only be open to relieve the pressure. An open valve is unnecessary prior to a pressure build-up, since the air being heated up can escape by way of the conventional sealing rings between the pressure-cooker and the cover until the sealing ring abuts sealingly against the cover and cooker wall due to the build-up of pressure. In the pressure relief means in accordance with the invention, the co-operation of the seal and the vent opening permits steam to escape even when the cap is moved minimally towards the venting position. The pressure in the cooker decreases immediately. Moreover, the co-action of the venting opening and the seal generates a warning sound which warns the cook not to opening the cooking valve while the cooker is still under pressure. If there is no seal in the cap, no pressure will build up in the cooker at all.

The seal can advantageously consist of a material which is so resilient that it sealingly closes the vent opening at normal cooking pressure and permits pressure to be vented should it become eccessive. The pressure relief means thus functions as a safety valve as well.

In a preferred embodiment, the seal is designed in an annular shape. It is impossible to insert a ring improperly. The opening is always covered irrespectively of the angular position of the cap in the cooking position.

The annular seal advantageously has an internal diameter which is smaller than the external diameter of the cap section it surrounds. The annular seal is thus seated in the cap region in such a way that it can be neither twisted nor lost. Dirt cannot readily collect between the cap and the annular seal so that the seal does not have to be removed every time the cooker is cleaned.

FIG. 1 indicates the cover 1 of a pressure-cooker. A valve housing 2 is firmly riveted into place in the cover 1. It includes a valve seat 2a against which a valve body 3 is urged by a valve spring 4. This valve spring 4 presses against the inner side of a cap 5 overlying the entire valve assembly and designed as a cap or acorn nut. A pressure indicator 6 is displaceably mounted in the valve body 3. It is pre-biased by a pressure indicator spring 7 which presses against the valve body on the one hand and, on the other hand, against the inside of the cap 5. The cap 5 is adapted to be screwed on to the valve housing by means of a thread 8, thereby determining the tension of the valve and pressure indicator springs.

The cylindrical inner part 5b of the cap 5 forming the nut is surrounded by an annular seal 9 of a resilient material. The annular seal has an internal diameter which pre-biases it on the nut. The brim 5a of the cap extends externally to the annular seal.

The cover 1 has a hole 10 in spaced relation from the valve axis and is located between the internal and external diameters of the annular seal. It serves as a vent opening and is closed by the annular seal 9 during cooking.

FIG. 2 shows the cap 5 from the top. It features a inscribed ring 11 which indicates the setting of the cap relative to an arrow 12 on the cover (not shown).

The afore-described valve assembly functions as follows during cooking: the cap 5 is screwed down to the stop with the inscription "cooking" adjacent to the arrow 12. The valve spring as well as the pressure indicator spring are both pre-biased in this position. The annular seal 9 closes the hole 10. Steam pressure can now build up in the cooker in the known manner once the warm air has escaped between the cooker and the cover as mentioned above. The cooking pressure is chosen by regulating the supply of heat in response to the position of the pressure indicator 6. At the conclusion of cooking, the cap 5 is turned half a turn to the "venting" position. This causes the annular seal to release the hole 10, the steam can escape and the pressure is relieved. The venting is continuous and dependent on the speed of rotation.

If the pressure indicator is not observed during cooking, i.e. if the supply of heat is not turned down at the proper time, thus causing the pressure in the cooker to become excessive, the steam can escape through the hole 10. This gives off a warning whistle and deforms the annular seal 9. Should the generated steam still be excessively high, the valve body 3 is lifted off its seat 2a.

In a fraction of the usual time, prepare healthy, delicious meals with the T-fal Clipso pressure cooker. Compared to standard cooking methods, the pressure cooker reduces cook times by up to 70% for faster results while retaining valuable nutrients and flavor. The cooker"s 6.3-quart capacity makes it easy to create large batches, whether preparing make-ahead meals for the week or cooking for a crowd during the holidays. The pressure cooker’s durable stainless-steel construction ensures optimal cooking and long-lasting performance, and its encapsulated base distributes heat evenly and can be used safely on any cooktop, including induction. Safety features include an innovative one-hand system for risk-free opening and closing, the inability to open when in use and under pressure, a variable steam-release valve for added control, and side handles for secure carrying. The Clipso stainless-steel pressure cooker can go safely in the dishwasher (with gasket and pressure valve removed), and a steam basket and stand are included for multi-level cooking, along with a recipe book with cooking tips.

Xi Jinping’s over ambition and lust for power has been emboldened by mute tolerance in CPC and PRC. His adventurism is leading China to disaster, unless the Chinese reins its leadership. Backdrop

History is full of examples whenever the ambition of any autocrat grew beyond global tolerance, he became responsible for collapse of his regime, resulting in disaster of the country and population, which emboldened him by mute tolerance. Today, despite facing unprecedented global anger for being the originator of novel coronavirus, the aggressiveness of Chinese leadership on multiple fronts to suppress internal and external dissent has pushed the world against itself. Xi Jinping’s unfair adventurism for incremental encroachment to all his ever increasing claim areas in continental and maritime domain, at a time when other countries are suffering from most dangerous pandemic of the century, with death toll rising every day, is amounting to inhuman aggression, junking all morals, international conventions, rules, treaties and forcing the world to reluctantly react against his regime.

Xi started his term by dream-selling to pull China out of poverty line by 2020. Internationally he projected himself as the crusader for world peace and climate change(despite junking the ruling of PCA and violating UNCLOS), with a resolve to push through Belt and Road Initiative (BRI) to fulfil Chinese dream of rejuvenation, after century of humiliation. As ”Chairman of Everything” he indirectly declared himself as the tallest leader on the planet, got himself re-elected for second term and did everything to make himself great, under the banner of ”Making China Great”. He assumed that the world will accept him as tallest autocratic leader, as Chinese people accepted him, without worthwhile checks and balances. His anti-corruption drive systematically eliminated the entire dissenting elements and all his possible competitors.

Xi took over in 2012 as President with 7.9 per cent GDP growth and led China to economic downslide thereafter. With failing BRI, mishandling of COVID-19, there is no worthwhile achievement to his credit except that he managed to eliminate dissenting elements. His critiques in the CPC feel that his real achievements do not match his elevation to the status of MaoZedang, which has created some disgruntled elements/lobbies, who are still under check due to his comprehensive surveillance, because disagreeing with Xi ”The Core” is anti-national and leads to jail.

It is quite clear to Xi Jinping and CPC, that if he fails economically, and the educated people of China don”t get a decent life, they may not tolerate his autocracy, having no worthwhile grievance redressal mechanism and the democratic winds will start flowing from Hong Kong and Taiwan. The legal system stands hostage to party leadership justifies the boiling pot theory; hence the biggest threat to China comes from within. Some of his actions like laying restrictions on religious practices on Uyghurs” and their forced abortions in Xinjiang, use of force in implementing draconian National Security Law in Hongkong are too risky. The strict censorship of media and internet, electronic isolation, social engineering to bring societal changes are unpopular steps to minimize unrests.

The viability of ”Implosion theory” is feared to be a reality by a totalitarian regime; hence a dose of nationalism nurtured through external aggression, suits Xi Jinping”s hold on power, besides making best use of early recovery from COVID-19 in comparison to his competitors. China has unfairly used it as an opportunity to assert itself on multiple fronts, including India-China land borders to scrumptiously encroach some area not supposed to be held, as per the mutually agreed CBMs, where both sides were free to patrol. This is a sequel to the Chinese adventurism in Indo-Pacific at multiple places in South and East China sea with greater assertion against other claimants like Vietnam, Indonesia and Philippines. The rationale of China being over assertive at the time of pandemic comes from Sun Tzu”s thoughts of ”Strike adversary when it”s weak and preserve yourself when it is strong”. China is therefore speeding up its Incremental Encroachment Strategy in South China Sea as well as LAC.

The strategic calculations seem to be ambitious, as in authoritarian state, the sycophancy prevents leaders getting objective advices from subordinate strategists. When Hitler launched offensive in Russia in World War II, beyond its logistics limit for sustaining in winters, he overruled advices of subordinates and brought Germany to disaster.

In case of China, Xi emboldened by modernised arsenal and extensive exercises and propaganda is planning to take on some of the most experienced troops, despite not having a single pilot in the PLA with any operational experience. While its density of arsenal in South China Sea and Eastern Sea board looks impressive, but its vulnerability of long Sea lanes of Communications in Malacca strait and the Indian Ocean, coupled with blockading of its naval bases by hostile navies can draw out PLA out of its comfort zone, where it is no match to combined navies of hostile countries, including the US spending four to five times of China on defence over so many decades. The strong military posturing by navies from the US, Australia, Japan, and regional claimants of South China Sea enough for deterrence and accidental engagement, because an all-out war is recipe for mutually assured destruction (MAD), which even Beijing cannot afford given the fact that it faces potent nuclear and space power.

The forced occupation of landmass by China in terms of features in South China Sea claimed by others junking PCA ruling, has graduated to skirmishes. The dimensions of warfare to include economic war, cyber and information war, biological war by asymmetrical impact of COVID-19, resulting many more deaths than all world wars put together, large scale military posturing in Indo-Pacific and physical land grab offensive by China in Ladakh, using pandemic as a weapon.

The possible alliances also seem to be on the horizon seemingly China, Pakistan and North Korea taking on competitors of China and everyone else in the world not agreeing to Chinese narrative. The current global situation has every element of a World War, except that the dimension, instruments and modalities have changed from conventional war, and the war has not been ”Formally Declared”; hence it may well be called as ”Undeclared Third World War with Changed Instruments and dimensions”. The world has already entered in preparatory phase of it, without recognising it to be so.

In continental domain its land grab efforts in Ladakh have been rebutted by India, which honoured its 20 fallen soldiers with state honours, whereas the PLA chose to hide its fallen soldiers much more in number, creating another wave of anger amongst the PLA veterans. The mutual disengagement is being viewed with suspicion as PLA demonstrated its unprofessionalism to the world by using barbaric tools for attacking Indian soldiers, junking the CBMs and yet bought heavy casualties. India is certainly not going to take mini disengagement gestures for granted, unless PLA withdraws to pre-standoff positions; hence will be ready to respond with all options on the table.

In maritime front, the US has already demonstrated strong military posturing. The ASEAN, which was muted by China so far, by consolation of draft Code of Conduct and purse diplomacy, combined with coercion due to large power asymmetry, seems emboldened to talk about UNCLOS, demanding fair share of EEZ of affected countries. Taiwan, emboldened by national sentiments, leadership, the US support through Taiwan Relation Act and NDAA has started identifying itself as a nation, junking ”One country Two systems”, ready to defend itself should a situation arise, besides granting asylum to willing people from Hong Kong. Japan is looking for strengthening its defence capabilities. Some more adventurism by North Korea may see Japan going nuclear in future. Xi Jinping”s ambition has costed global loss of trust and some important markets for China. Russia and Iran have a forced marriage with China, due to sanctions from the West, but given the geo-strategic situation, playing neutral, along with sale of weaponry/oil may be the best option for them.

China may be able to implement the draconian National Security Act in Hong Kong, but global reaction is unavoidable. China has to bear the cost of demise of its financial hub, with many countries inclined for economic distancing, shifting FDI, banning concessions granted to Hong Kong, granting citizenship to those willing to exit, thus creating ideal conditions for urban insurgency in times to come, besides the rural insurgency of Xinjiang. Suddenly the voices in support of Uighurs and Tibetans and questions on ”One China Policy” have started becoming active, notwithstanding the threats of Chinese wolf warrior diplomats.

Xi Jinping”s Chinese dream of ”Rejuvenation” and his aim of ”Prosperous Developed Society” with a ”War Winning Modern PLA” by 2050 was achievable, had he not harboured dictatorial over ambition to achieve these aims and dislodge the US as a superpower, making unfair use of pandemic. In fact, the first major conversion of features in South China Sea to military bases took place during the last US elections, with no big bang action from the US. This emboldened Xi to use pandemic unfairly to fulfil all his aims before time, without having capacity to protect its global shipping outside its eastern seaboard. With the kind of global anger he has generated against his regime, the lesson of diversification of global factory for the world, along with need of economic distancing from China has become evident. Xi has thus pushed his country on a path to disaster unless Chinese people wake up and shake up the CCP and rein their leadership to protect their dreams.

From the Indian perspective, this is the time when Beijing is under maximum external and internal pressure since last five decades. If Beijing continues with its high headedness, it will invite further pressure. This may well be the time to push through border settlement or demarcation of LAC as the political cost of resolving the border/LAC may be lesser than an active front with India. India should not settle down with token disengagement because unless the LAC is demarcated the standoffs will continue. For the time being India should not blink at the borders.

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This Instant Pot model offers more cooking control than our top pick does, and it has upgraded features such as a huge LCD screen, as well as a redesigned inner cooking pot with stay-cool handles for lifting the insert out or keeping the pot from spinning while you stir.

In 2021, Instant Pot released the Instant Pot Pro 6-Quart, which has some great features that make it a meaningful upgrade over the Duo, namely handles on the inner cooking pot, a large LCD, customizable and savable cooking presets, more temperature levels for sautéing, a sous vide function, and a diffuser cap that makes the steam release just a bit gentler (you’ll still get a jet of steam spurting out from the top, but it won’t be as loud, strong, or long). The Pro also comes with an extra silicone sealing ring for the lid and works with Instant Pot’s QuickCool Tray (sold separately) if you want to depressurize foods faster before serving. Of Instant Pot’s costlier models, the Pro and its features are most worth the jump in price, especially if you plan to use your multi-cooker frequently. Instant Pot’s midlevel offering, the Duo Plus, usually costs about $20 less than the Pro at this writing, but the Duo Plus’s features are less impressive.

Despite the Pro’s extra features, its basic cooking functions—pressure, slow, steam, yogurt, rice and grain—are essentially the same as on other Instant Pot models. We do like that the Pro has five custom sauté temperature settings (compared with the Duo’s three) in addition to the low, high, and medium presets. It also has a sous vide setting that, for all intents and purposes, does the job. The Pro has a bake function, as well, but we were unable to fit three different 8-inch cake pans into the Pro, so we weren’t able to successfully bake a cake in our tests (Instant Pot sells a proprietary baking pan, but we didn’t test it). We tried with some smaller cake rounds and ended up with uncooked goo even after an hour. You can make a cheesecake in all Instant Pot models, and you can use steam to bake in models without the air-fryer lid. (A representative from Instant Pot told us that on its Instant Brands Connect app, the company offers baking recipes—such as for brownies, cornbread, and coconut cake—that are tailored to the Pro. We didn’t try these recipes in our tests, but if you’re especially interested in using your Instant Pot to bake on top of all the other uses, we might suggest considering one of the air-fryer models (or lids), which we discuss more below.

Instant Pot has also made some design upgrades that improve the usability of the Pro over that of the Duo and Duo Plus. One improvement that stands out is that the handles on the inner cooking pot stay cool, which lets you easily remove the pot even when it’s hot. These handles also act as anchors that lock the pot into place so that it doesn’t whirl around when you stir—a common gripe we had while testing other Instant Pot models (the Duo Plus has an anti-spin design in which rubbery stoppers on the inner pot help prevent the insert from moving, but it isn’t as effective).

Another unusual feature on the Pro’s inner cooking pot: It has a flat bottom, which makes it functional on most stove tops, including induction and electric, and it can tolerate the oven up to 450 degrees Fahrenheit. We can see this feature being useful if you wanted to sear meat on a stove with more control than you get in the Instant Pot, or if you wanted to finish a dish in the oven (browning cheese or bread in a ribollita, for example). The pot in other Instant Pot models has a slightly convex bottom and thus doesn’t work on a stove. Overall, the Pro’s inner pot represents a nice level-up from the Duo’s inner pot, which has no handles and is not recommended for use on or in any cooking appliance other than the Instant Pot.

Of the Instant Pots we’ve tested, the Pro has the most intuitive interface, with a large, bright LCD. It has buttons for you to select your cooking program (such as pressure, sauté, or steam) and a dial that toggles between presets within each program, as well as the option to set your own time and temperature. The screen has white lettering with a blue background and is readable from a distance, with large icons and a progress bar so you always know where the Pro is in the cooking process. In contrast, the Duo’s pared-down red and black screen indicates only that it’s heating up with an “On” message before counting down once it has reached temperature or pressure. The Duo also doesn’t have a start button—it starts automatically—which can feel counterintuitive if you’re just getting into pressure cooking. You can also turn off beeping noises on the Pro, whereas you cannot disable sounds on the Duo or Duo Plus.

The Pro’s lid has a steam-release valve that promises to make the release quieter than on other Instant Pots, but in our tests, we didn’t notice a significant difference in noise levels. If you’ve used pressure cookers in the past, you know that using the quick-release method produces a loud and forceful geyser of steam. The valve cover on the Pro diffuses the force of the steam, though it doesn’t minimize the noise (sorry). In 2021, Instant Pot added an automatic sealing feature and a quick steam-release switch to all of its models, including the Pro: You won’t be left wondering whether the pot is sealed, and you won’t have to dodge the jet of steam after twisting the valve (which you used to have to do with the older models). Unlike the Duo, the Pro has two reminders you can set for steam release at five and 10 minutes. The Pro also has a clearly marked venting system that includes a red pressure indicator, a vent/seal switch that automatically seals when you close the lid, and a steam-valve diffuser.

You also get two silicone sealing rings (which ensure that the lid maintains a tight seal) with the Pro. Silicone absorbs food odors, so having the extra ring is handy if you use your pressure cooker for both savory and sweet recipes and don’t want to go to the trouble of making a cheesecake only to have it come out with the faint scent of beef stew. Using dedicated gaskets for pungent and mild foods, respectively, helps you avoid that.

Besides more preset cooking programs (such as those for various grains or for baking cake), the Pro has one basic cooking function that the Duo doesn’t: sous vide. This function allows you to cook vacuum-sealed foods in a water bath set between 77 and 203 degrees Fahrenheit. We previously tested the sous vide setting on the Duo Evo Plus, and we didn’t retest the setting on the Pro because we weren’t impressed with the results. Sous vide cooking is all about accurate temperature control and water circulation—two things the Instant Pot sous vide setting doesn’t really do—and the sous vide setting on the Duo Evo Plus consistently ran 5 degrees below our target temperature. But it still cooked our modest vacuum-sealed filet of salmon in 45 minutes. We think it could be useful for folks who want to cook or hold food at a specific temperature for an extended period of time, such as while keeping soup warm on a buffet table. That said, if you want to do sous vide cooking, consider getting a dedicated immersion circulator.

In 2021, Instant Pot has advertised that the Pro preheats 20% faster than the brand’s other pots. We timed how long the updated versions of the Duo, Duo Plus, and Pro took to pressurize while cooking a pot of beans, and we didn’t find a significant difference. The Pro preheated in 14 minutes 24 seconds, while the Duo took 14 minutes 48 seconds and the Duo Plus took 16 minutes 8 seconds. All pressure cookers take time to pressurize, but you can still walk away from the machine instead of standing over the stove.

The Pro is also one of the few Instant Pots that work with the QuickCool Tray, which you can buy separately for about $10; this tray sits on the lid and allows you to cool the pot down faster, reducing the time it takes to depressurize during natural release. In our 2019 tests with the Duo Evo Plus, we found that the QuickCool Tray reduced depressurization time by half, from just over 30 minutes down to 15 minutes. Here’s how it works: You fill the tray’s reservoir with water and freeze it until solid (about three hours). When you’re done pressure cooking, turn off the pot—double-check that it’s not on “Keep warm”—remove the vented plastic cover from the lid, and place the frozen tray on the exposed metal area beneath. By the time the pressure indicator in the lid drops, signaling that it’s depressurized, the QuickCool Tray and the water inside are pretty hot—so maybe use a dish towel or a mitt to protect your hands.

Although we wish the QuickCool Tray were not sold separately, it does give you a pressure-release method tha isn’t as jarring as releasing a geyser of steam and is faster than waiting for the pot to depressurize naturally.

The instruction manual that comes in the box isn’t nearly as detailed as the online PDF version (the manuals that come in the box are condensed, according to a representative). We suggest that you bookmark the online manual for easy reference. Like all Instant Pot models, the Pro comes with a one-year limited warranty that mainly covers manufacturer defects—not accidents, misuse, or abuse.

The product was fairly expensive and looks well build and judging by the temperature gauge it can reach very high pressures, so I assume, that it can be used for canning, but I am not sure how to find information on it.

After scanning part of the manual with an OCR scanner and using google translate I learned the following: The middle valve is a safety valve. The right one is for manual release. The left one with the pins sticking out is an automatic release, possibly adjustable.

We tried three Magefesa models and Practika is our favorite. It has the heft of the premium cookers without the flashy design (or price) – but the savings is paid in quirks.  Once the cook figures out the Practika’s naughty gasket and tricky valve this cooker gets the job done consistently, reliably and predictably.

The Magefesa Practika Plus gets our top rating in this category because its features are not just comparable to premium pressure cookers.  The extra-thick aluminum disk in the base and fill lines, which are often missing on mid-range pressure cookers,  make sauteing a breeze and saves the cook from having to eye-ball and guess whether they’ve reached the maximum fill.

Pressure Selector – Choose from four settings with a twist of a knob: High pressure 15psi (100kpa), low pressure 9psi (60kpa), pressure release and no pressure (to remove the valve).

Fill Lines – Capacity marks inside the pot indicate, 1/2 full (maximum for cooking grains, beans and other foamy foods) and MAX (maximum for regular pressure cooking).

Thick Aluminum Disk – Practika’s 3-ply base features an aluminum disk which is 4mm thick -thicker than most economy pressure cookers.  For comparison, the premium WMF Perfect plus aluminum disk is 4.5mm thick)

The Magefesa Practika Plus has the standard set of redundant safety features, comparable to its peers.  An oddly-placed lid vent gives this cooker’s score a small ding.

Self-locking Handle– When the red pressure indicator begins to rise, it will automatically lock the pressure cooker  closed preventing the cook from opening it accidentally while the contents are under pressure.

Correct Placement Nub – A small metal  projection inside the lid, that pushes the gasket slightly out of alignment to stop the cooker from building pressure if the lid is just rested on top of the cooker or the lid is not properly locked.

Primary over-pressure release valve – Integrated in the pressure selector, it activates to release pressure if internal pressure exceeds 18 PSI it begins to release excess pressure.

Secondary safety valve– Integrated in the red pressure signal activates if the primary should be obstructed or not working properly to release pressure.

Gasket vent– The safety vent is a cut-out on the lid and comes into action in case any of the previous safety measures were to fail. The gasket will buckle and allow pressure (and some of the contents of the pressure cooker) out of the pressure cooker. The cook should always point this cut-out in the rim awayfrom him while operating the pressure cooker. Unfortunately, the vent of this cooker is on the left, while the pressure release is exhausted to the right. This means that this vent must point towards the cook in order for the pressure release to point towards the cooking back splash.

Overall  the Magefesa Practika Plus’s performance was above average.  It’s great that the cook can select pressure by twisting a knob but it’s tricky to turn and we really didn’t like how the pressure indicator behaves or how difficult it is to see.  A few more kinks, such as gasket placement and multi-language lid, may cause new cooks to stumble.  On the plus side, releasing pressure is a snap and we found an undocumented way to regulate the speed of the pressure release, too!

Selecting pressure is tricky with this pressure cooker because the cook must push down on the selector slightly while simultaneously twisting it – like the safety-cap of a medicine bottle.  Push and twist the knob to I for low pressure (9psi) and II for high pressure (15psi), the little cloud to release pressure and the circle with a slash going through it to remove the valve for cleaning. The selections are not easy to see – you need some very bright lights to see the raised black lettering on the black handle.

The pressure indicator is a red metallic rod in the lid/handle casing. We dinged this cooker’s score in this category twice because the indicator is difficult to see and it’s tricky to ascertain when full pressure has actually been attained.  The cook needs to lean over the cooker and look inside the hole to see it when it has no pressure.  When it does rise, it does so to just under the casing. So, again the cook would have to lean over and look at the lid to understand if the indicator is up or down but without any obvious reference point.

We don’t like how this pressure cooker indicates reaching full pressure for the same reason we didn’t like how the Fagor Futuro did it.  That’s because the indicator rises when the cooker is reaching pressure, not when it has reached the full pressure chosen by the selector.  This can confuse beginners into turning down the heat before the cooker has actually reached the selected pressure – making the cooker appear as if it cannot maintain pressure. In fact, a popular American cooking magazine wrongfully declared this cooker troublesome and unable to reach or maintain pressure in its reviews and we suspect the signal’s tricky function was the cause.

It’s worth noting that Magefesa’s newer pressure cooker Model, Rapid III, has fixed this issue by using two pressure indicators.  However, we chose not to review the Rapid III because of some minor design flaws that only affect is usability – of which we informed the manufacturer.

Tricky Gasket PlacementAll of the Magefesa pressure cooker models we’ve seen so far tend to have gaskets that do not automagically go in the correct position.  Before starting to cook with the Magefesa Practika, the cook needs to ensure that the gasket is under the gasket guides in the lip of the lid and passing in front the correct placement nub (as shown). Trying to close the lid of any Magafesa pressure cooker with a gasket that is out of alignment can be both frustrating to the cook and damaging to the gasket!

The only big surprise, both for us and the manufacturer, was that we measured the cooker cooking at an average of 118°C and not the expected 120°C (about 15psi) as stated in their cooker’s specifications.  Also, Magefesa Practika Plus’ evaporation rate was just a tad bit higher than comparable pressure cookers 4.5% (compared to 3.5% evaporation rate from Fagor Futuro) but required much less heat to maintain pressure knob position 1.8 compared to 2.75.

Releasing pressure on the Magefesa Practika Plus is easy. Just twist the selector knob to the release position and go do something else.  It was designed assuming the cook would turn the handle of the cooker to the right in order for the steam to spray towards the backsplash of the cooktop (unlike other models where the manufacturer assumes the cooker will be used with the handlepointing towards the cook).

While testing and using this pressure cooker we found an undocumented way to regulate the speed of the pressure release- useful when releasing pressure for foamy foods or trying to accelerate a natural release. While most selector-type cookers, like this one, include a selection to release pressure usually the only way to release it is full throddle.  This is where the aforementioned tricky medicine bottle safety-cap style operation of the selector becomes an advantage.   Once on the selector is moved to the “pressure release” position, the selector can be pushed down all the way stop the pressure release completely or slowly lifted to the cook’s preference for a slow, medium or full speed pressure pressure release.

Lost in translationWe don’t ding for this but it’s worth noting that the lid is unnecessarily written in two languages.  The arrows on either side of the red button should indicate “Open” and “Close.” Instead the Magefesa Practika shows the letter “C” for closed and “A” to open (Cerrado and Abierto in Spanish). Then, around the pressure signal and on the handle is written “Gebrauchsanweisung Beachten” which just means “Read Instructions before use” but this time in German. It struck us as odd because most manufacturers use symbols that can be interpreted internationally such as a picture of an instruction book and icons of either little locks or pots to indicate which way the cooker handle or lock needs to move to open or close.

We were disappointed to discover this pressure cooker requires hand- washing only for all parts. Because of the lack of convenience, we gave the cooker two dings in this area.

Depending on the retailer, some Magefesa Practika pressure cookers come with a trivet and steamer basket.  We did not receive a set so we cannot comment on their quality or practicality.

Available Sizes: 3 to 7 liters (European manufacturers sometimes round these European liter sizes to quarts so if you purchase a 6 “quart” pressure cooker it’s the European 6L which is really 6.34 quarts)

Width: (opening) 8.5″ or 21.5cm, cylindrical/conical; Height (internal) 6.5″ or 16.5cm; Weight: (Base) 4.2lbs or  1.926k , (Base and Top) 6.2lbs or 2.820k

With a little extra attention to the  correct placement of the gasket  and understanding of how this cooker signals it has reached pressure,  this cooker never failed to reach or maintain pressure for us – and  not just during our tests,  we used this cooker at least weekly for several months before and after testing as well.

This pressure cooker does require a little bit of attention, and the familiarizing process is a bit longer compared to its peers but once once all its little intricacies are understood it will become a dependable member of your kitchen arsenal.

In the interest of full disclosure, we would like to note that: The pressure cooker was sent to Hip Pressure Cooking by the manufacturer at no cost. Our relationship with the manufacturer, or lack thereof, does not affect the outcome of the review.