how to reset safety valve on propane tank for sale
Has your propane tank valve gotten stuck yet again? This can put a serious damper if you’ve planned a BBQ, or literally anything that requires your propane tank. But here’s some good news: this article will tell you exactly how to unstick a propane tank valve.
Before we move onto the meat of the matter, you need to understand how your propane tank works. This applies to anything that runs on propane: fireplaces, water heaters, stoves, gas grills, and even RVs. Knowing how your tank operates will make it easier to troubleshoot minor issues.
A basic tank is filled with propane liquid and uses a special machine that forces the propane gas into the tank under pressure, turning it into its liquid form. It remains pressurized in the tank until the valve is released. When the valve is turned, the pressure decreases and the gas converts to vapor and escapes through the opening.
The propane gas is allowed to escape the canister under a certain pressure determined by the size of the valve. Large commercial propane tanks have multiple valves and gauges.
The main valves are the fill valves to refill the tank, a service valve to release the propane, and a relief valve. The relief valve prevents too much pressure from building up in the tank and exploding.
Tanks also have gauges that measure the level of liquid in the tanks called a float gauge, as well as a vapor recovery valve that can be used to release excess vapor in the tanks when getting it serviced.
The tanks are often closed very tightly to prevent leaks. If your propane tank won’t open after you bring it home the first time, try using a wrench or a pair of pliers. You can also unhook the tank from your stove and apply a bit of oil to the valve, before trying to yank it open with pliers.
Before you try to fix a propane safety valve (or any other tank valve), you need to identify the cause of the blockage. This will determine what you need to do to correct the issue.
The most important thing to bear in mind is that propane is highly combustible. When correcting a faulty tank valve, make sure you don’t puncture the tank and cause more damage. Safety is always a priority, so work in a ventilated area and do not light matches or lighters near your tank.
Set the propane tank on a steady, level surface. Make sure you are in a dry and cool area. Carefully check the tank for any signs of obvious damage and try to find the source of any possible leaks.
Wrap the rubber band around the outer edges of the valve to get a better grip on the blocked valve. Once you get a firm grip, twist firmly to loosen and dislodge the valve with your hand.
If this doesn’t work, spray a bit of oil or lubricant on the valve. Shake the valve back and forth to loosen it up, and then try to twist it open once again.
If the valve is still stuck, use a pair of pliers or a wrench to force it open. Grasp the edge of the valve with your pliers firmly and twist counterclockwise to open the valve. Try not to use too much pressure or as this can break the valve instead.
If your valves have rust or water damage, assess the situation. If it is still in the early stages, you can use baking soda and vinegar to get rid of the rust. However, if it is too far gone, you will need to replace the valve.
To avoid the fuss of a propane tank valve that needs to be dislodged, you can follow a few simple steps to prevent it from happening in the first place.
Don’t twist the valve closed too tightly. This might sound obvious, but people tend to close the valve really tightly, especially after a refill. Shut it tight, but don’t overdo it.
After buying a new tank or refilling your old one, smack the bottom of the tank on the ground once or twice. This will loosen the valve so you can open it more easily.
Don’t open the valve of a new cylinder rapidly as this can make it get jammed the next time. Instead, test the water and work it slowly and carefully.
If your propane tank leaks when connected, you most likely need a new valve. Check for the site of the leak by spraying soapy water at the valve, connection point, and pipes. If you see bubbles at the valve or connection, the gasket is broken and the valve requires replacing.
Soak the hose for a few minutes in warm soapy water to clean it. Use grease-cutting dish soap or something similar to break down accumulated oil and debris. Rinse the hose thoroughly under running water and allow it to dry.
The propane tank shut-off valve is your best bet during leaks if the hose or valve isn’t the one behind the leaks. The service or shut-off valve is the metallic spigot-like dial located under the tank cover and hooked to the top of the tank.
You need to use this valve to turn the gas off at the tank in the event of an emergency or leak. Always turn this valve to the right (clockwise), completely to shut off the gas.
This kind of valve is required on all large 4-to-40-pound commercial cylinders in vapor service. The OPD valve is a protective device and is exactly what it sounds like. It prevents the tank from overfilling.
Place the open jaws of the crescent wrench over the large bolt of the tank’s gas regulator. This is located at the meeting point of the propane tank and the gas regulator. Use the thumbscrew to grip the jaws around the large nut.
Then, loosen the nut with the wrench. Continue to remove the nut by hand until you can pull the neck of the regulator from the propane tank connection. You may catch a small whiff of gas as the regulator’s neck is pulled from the propane tank, but this is nothing to be worried about.
Remove the tank from the grill’s cart. In some models, you might have to loosen a safety strap. Store the empty tank in a safe and dry location, outdoors and well away from any flames.
It is perfectly normal to smell a little propane as tiny amounts can leak when the tank is in use. You can also smell the gas when the tank is nearly empty.
It is common for a propane tank to hiss. Hearing this sound is an indication that your tank is leaking so shut off all the valves and check for the location of the leak.
It is always a little scary when dealing with gas tanks, as we are well aware of the risks. However, knowing how to handle any kind of malfunctioning will make it much easier to deal with.
Once you know how to unstick a propane tank valve, you can loosen the valve or spigot without any trouble. And this will make the process of grilling much easier. Happy cooking!
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The safety relief valve is one of the most important and vital valves on any LP Gas container. All propane tanks and cylinders are required by law to be fitted with pressure relief devices designed to relieve excess pressure. The function of a safety relief valve is to keep a propane tank from rupturing in the unlikely event of excessive pressure buildup. Propane tank relief valves are also known as pop off valves, pressure venting valves or relief valves.
Relief valves are held in the closed position by the force of a powerful spring. As long as the pressure inside the tank is less than that of the spring, the valve will remain closed. If tank pressure rises to that of the spring, the valve will open resulting in a hissing sound outside the tank. If the pressure in the tank rises significantly higher than that of the spring, the valve will fully open. When the valve fully opens, it initially makes a loud pop followed by a blast of released propane gas. Once the pressure is released and the tank pressure falls below that of the spring, the valve closes.
Most propane tanks in residential and commercial service have internal safety relief valves. The reason for an internal valve as opposed to an external pressure relief valve is it presents less of an obstruction when moving the tank. Internal relief valves are generally placed near the end of the propane tank on above ground containers.
Found primarily on older tanks, external relief valves operate in the same manner as an internal relief valve with the spring mechanism being outside the propane tank itself. Relief valves on multvalves are always fitted with external safety relief valves. Older tanks with an external relief valve installed on the container are generally replaced with internal pressure relief valves, provided they are connected to a dedicated tank opening specifically designed for the placement of the relief valve.
Because the safety relief valve performs such a vital role in the protection of the propane tank, it should be maintained and repaired by licensed propane professionals only. Do not ever look into a relief valve or stand over it.
A protective cover should be placed over the relief valve to ensure proper operation. If the valve has debris in the upper mechanism of the relief valve and it opens, the debris may cause the valve to remain open resulting in a potentially dangerous situation and/or excessive loss of propane. A simple protective relief valve cover can be made from a plastic bag fastened around the external portion of the valve with a rubber band.
If a you encounter a relief valve that seems to be "hissing" (opened to relieve pressure) do not tap it or mess with it. If the tank has been recently filled in hot weather and the face gauge reads over 80 or 85%, spray some water from a hose on the tank. This may cool it down and reduce the expansion of the liquid in the tank. Call your propane company immediately and inform them of the situation.
Pictured here is a relief valve that was apparently leaking. Instead of calling the propane company to replace the valve, the customer decided to fix the problem himself. Using a soldering iron, he soldered the leak until it stopped leaking. In the process of "repairing" the leak, the customer completely sealed the relief valve in a closed position placing himself and his family in a very dangerous situation.
In this type of situation, a relief valve that is sealed shut will not allow the tank to vent excess pressure if it is overfilled or the pressure inside the tank exceeds the working pressure of the container. In a case where the tank is unable to vent to the outside, the tank is subject to rupturing causing more harm and damage than money saved by trying to fix it yourself. Let the propane company or LPG professional handle any problems with thesafety relief valve.
So, tonight’s the big night. Family and friends are on their way to celebrate an occasion. You turn on the grill to preheat it so that by the time everyone arrives the grill will be ready for grilling. Then you notice the flame is low, and that the grill is only heating up to 250 or 300 degrees Fahrenheit – or maybe it’s not even igniting!!! Before you panic and call your local BBQ Grill Repair company, read this …
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* Side note about the shut down procedure. The following ignition procedures are written assuming you are turning the burners off 1st, then the Propane Tank. Therefore, each sequence starts from the all off positions. While it is acceptable to turn the burners off and leave the Propane Tank on, we strongly recommend you to go ahead and turn the Tank off also.
Basically, the key here is to be sure to have your burners off before you turn on the Propane. This is because if you turn the burners on first the gas will not be pressurized in the hose causing the Bypass to trigger. To the system, it appears there is a gas leak; hence, the bypass triggers. (Even though there is no leak; because the back pressure is low the system will think there is.)
* When using the improper sequence, the regulator will trip because by turning the burners on 1st, you empty the lines of any propane which causes the low line pressure.
So now you know the problem, let’s get to the solution. Of course, we’re assuming you have checked your Propane Tank to see if you simply need a new Propane Tank Exchange.
If this solution availed no result, it’s time to call your local BBQ Grill Repair Company. There are numerous other more advanced issues that can occur. For instance, you may have a blockage in the Venturis Tubes. A blockage like this is caused by char/grease build up. You can decrease the likely hood of this ever happening by being sure to have a BBQ Grill Cleaning done regularly.
I meant to post that but was at work and didn"t have time. Glad you got the answer. The check valve that caused your problem drastically reduces propane flow in case a vehicle is in a accident and the lines are ruptured. It is triggered by excessive gas flow. In the case of a system that has no pressure in it (ie: a gas appliance was replaced or serviced), when you open the valve the gas rushes out triggering the safety valve. So, aloways open the tank valve slowly when system is not pressurized. You can simply tiurn the valve off, wait one minute then turn it back on slowly to reset it.
Check that the hose attachment is properly connected to the propane tank, and double-check that the screw-on valve is tightened. Some propane tanks have safety features that won’t allow gas to escape from the canister unless the hose connection is tightly secured with the gas release mechanism.
Take a look at your connector. If it’s less than an inch long, it won’t be long enough to depress the check valve inside the valve. In this case, you’ll need a new connector that’s over an inch long.
If your valve is turned all the way on, the tank may not release propane. This is a safety feature. Start over, turning the valve only once, then igniting the grill.
If none of these actions work, it’s possible that you have a faulty regulator, which stops the flow of propane. In this case, it’s best to get a new hose with a regulator, and try again.
If your Mosquito Magnet® fails to start, it may be the result of poor gas flow from the propane tank through the regulator to the trap. The Reset Tool has been designed to reset the internal mechanisms of the propane regulator and release any back pressure from your tank.
It is recommended that you do this procedure every time you connect the regulator to the propane tank to avoid any difficulty in the start up process.
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