farris pressure safety valve brands

Curtiss-Wright’s selection of Pressure Relief Valves comes from its outstanding product brands Farris, and Target Rock. We endeavour to support the whole life cycle of a facility, and continuously provide custom products and technologies. Boasting a reputation for producing high quality, durable products, our collection of their pressure relief valves are guaranteed to give your equipment and machinery effective relief from pressure when needed.

A pressure relief valve, an umbrella term which includes safety valves and expansion relief valves, is designed to do exactly that: relieve pressure on a system. Pressure reducing valves use spring-loaded mechanisms to control and relieve any excess pressure, and prevent any more fluid passing through until normal pressure conditions have been restored. Depending on the model, control can be provided to both dynamic and static flow conditions.

While some basic components and activations in relieving pressure may differ between the specific types of relief valves, each aims to be 100% effective in keeping your equipment running safely. Our current range includes all forms of valve, from flanged to spring loaded, threaded to wireless, pilot operated, and much more.

Curtiss-Wright"s selection of Pressure Relief Valves comes from its outstanding product brands Farris and Target Rock. We endeavor to support the whole life cycle of a facility and continuously provide custom products and technologies. Boasting a reputation for producing high quality, durable products, our collection of Pressure Relief Valves is guaranteed to provide effective and reliable pressure relief.

While some basic components and activations in relieving pressure may differ between the specific types of relief valves, each aims to be 100% effective in keeping your equipment running safely. Our current range includes numerous valve types, from flanged to spring-loaded, threaded to wireless, pilot operated, and much more.

A pressure relief valve is a type of safety valve designed to control the pressure in a vessel. It protects the system and keeps the people operating the device safely in an overpressure event or equipment failure.

A pressure relief valve is designed to withstand a maximum allowable working pressure (MAWP). Once an overpressure event occurs in the system, the pressure relief valve detects pressure beyond its design"s specified capability. The pressure relief valve would then discharge the pressurized fluid or gas to flow from an auxiliary passage out of the system.

Below is an example of one of our pilot operated pressure relief valves in action; the cutaway demonstrates when high pressure is released from the system.

Air pressure relief valves can be applied to a variety of environments and equipment. Pressure relief valves are a safety valve used to keep equipment and the operators safe too. They"re instrumental in applications where proper pressure levels are vital for correct and safe operation. Such as oil and gas, power generation like central heating systems, and multi-phase applications in refining and chemical processing.

At Curtiss-Wright, we provide a range of different pressure relief valves based on two primary operations – spring-loaded and pilot operated. Spring-loaded valves can either be conventional spring-loaded or balanced spring-loaded.

Spring-loaded valves are programmed to open and close via a spring mechanism. They open when the pressure reaches an unacceptable level to release the material inside the vessel. It closes automatically when the pressure is released, and it returns to an average operating level. Spring-loaded safety valves rely on the closing force applied by a spring onto the main seating area. They can also be controlled in numerous ways, such as a remote, control panel, and computer program.

Pilot-operated relief valves operate by combining the primary relieving device (main valve) with self-actuated auxiliary pressure relief valves, also known as the pilot control. This pilot control dictates the opening and closing of the main valve and responds to system pressure. System pressure is fed from the inlet into and through the pilot control and ultimately into the main valve"s dome. In normal operating conditions, system pressure will prevent the main valve from opening.

The valves allow media to flow from an auxiliary passage and out of the system once absolute pressure is reached, whether it is a maximum or minimum level.

When the pressure is below the maximum amount, the pressure differential is slightly positive on the piston"s dome size, which keeps the main valve in the closed position. When system pressure rises and reaches the set point, the pilot will cut off flow to the dome, causing depressurization in the piston"s dome side. The pressure differential has reversed, and the piston will rise, opening the main valve, relieving pressure.

When the process pressure decreases to a specific pressure, the pilot closes, the dome is repressurized, and the main valve closes. The main difference between spring-loaded PRVs and pilot-operated is that a pilot-operated safety valve uses pressure to keep the valve closed.

Pilot-operated relief valves are controlled by hand and are typically opened often through a wheel or similar component. The user opens the valve when the gauge signifies that the system pressure is at an unsafe level; once the valve has opened and the pressure has been released, the operator can shut it by hand again.

Increasing pressure helps to maintain the pilot"s seal. Once the setpoint has been reached, the valve opens. This reduces leakage and fugitive emissions.

At set pressure the valve snaps to full lift. This can be quite violent on large pipes with significant pressure. The pressure has to drop below the set pressure in order for the piston to reseat.

The pilot is designed to open gradually, so that less of the system fluid is lost during each relief event. The piston lifts in proportion to the overpressure.

At Curtiss-Wright we also provide solutions for pressure relief valve monitoring. Historically, pressure relief valves have been difficult or impossible to monitor. Our SmartPRV features a 2600 Series pressure relief valve accessorized with a wireless position monitor that alerts plant operators during an overpressure event, including the time and duration.

There are many causes of overpressure, but the most common ones are typically blocked discharge in the system, gas blowby, and fire. Even proper inspection and maintenance will not eliminate the occurrence of leakages. An air pressure relief valve is the only way to ensure a safe environment for the device, its surroundings, and operators.

A PRV and PSV are interchangeable, but there is a difference between the two valves. A pressure release valve gradually opens when experiencing pressure, whereas a pressure safety valve opens suddenly when the pressure hits a certain level of over pressurization. Safety valves can be used manually and are typically used for a permanent shutdown. Air pressure relief valves are used for operational requirements, and they gently release the pressure before it hits the maximum high-pressure point and circulates it back into the system.

Pressure relief valves should be subject to an annual test, one per year. The operator is responsible for carrying out the test, which should be done using an air compressor. It’s imperative to ensure pressure relief valves maintain their effectiveness over time and are checked for signs of corrosion and loss of functionality. Air pressure relief valves should also be checked before their installation, after each fire event, and regularly as decided by the operators.

Direct-acting solenoid valves have a direct connection with the opening and closing armature, whereas pilot-operated valves use of the process fluid to assist in piloting the operation of the valve.

A control valve works by varying the rate of fluid passing through the valve itself. As the valve stem moves, it alters the size of the passage and increases, decreases or holds steady the flow. The opening and closing of the valve is altered whenever the controlled process parameter does not reach the set point.

Control valves are usually at floor level or easily accessible via platforms. They are also located on the same equipment or pipeline as the measurement and downstream or flow measurements.

An industrial relief valve is designed to control or limit surges of pressure in a system, most often in fluid or compressed air system valves. It does so as a form of protection for the system and defending against instrument or equipment failure. They are usually present in clean water industries.

A PRV is often referred to as a pressure relief valve, which is also known as a PSV or pressure safety valve. They are used interchangeably throughout the industry depending on company standards.

Using the power of iPRSM technology and our Farris Engineering Services team, correctly design your pressure relief system to respond to every overpressure scenario. Equip your plant with Farris’ full line of spring-loaded and pilot-operated PRV hardware, knowing your plant is protected by 70 years of manufacturing experience.

Farris is a renowned supplier in the design and production of a wide range of spring-loaded and pilot-operated pressure relief valves. They are used as safety devices to prevent over-pressurization of vessels, pipelines, and equipment. When a plant is equipped with Farris’ spring loaded and pilot operated PRV hardware, it’s protected by 70 years of manufacturing experience.

Farris pressure relief valves have earned a name in the industry for being trusted, top quality and long-lasting. When it comes to ensuring your machinery or equipment is protected from overpressure, Farris pressure relief valves are a great option.

The term pressure relief valves references both safety valves and expansion relief valves. The valve opens when it’s necessary to relieve pressure on a system.

While some basic components and activations in relieving pressure off a system may differ depending on the specific types of Farris relief valves, each main valve is intended to be 100% effective in keeping your equipment running safely and protect employees working nearby. Farris valve types range from flanged to spring loaded, threaded, pilot operated, and much more.

Since the early 1940s, the Farris Engineering unit of Curtiss-Wright Flow Control has designed and produced a wide range of spring-loaded and pilot-operated pressure relief valves. Used as safety devices, Farris pressure relief safety valves prevent over pressurization of vessels, pipelines, and equipment. Farris manufacturing is a company recognized as a leader in the hydrocarbon processing, refinery, petrochemical, natural gas production/transmission, pharmaceutical, and general processing industries worldwide. Their safety valves and other PRV hardware can be found across the globe – from the U.S. to the U.K. and S. America to China.

A pioneer in the field, the Farris Engineering company created many safety pressure relief products that remain industry standards. Integrating its core hardware technology with the information age, Farris developed computer software to assist customers in the sizing and selection of safety valves for all manner of piping and equipment. A recent reorganization of manufacturing plants and processes maximized production effectiveness to position the business unit at the forefront of the industry, with service and delivery second to none. If you are looking for an effective, high-quality safety valve and engineering expertise for any and all pressure relief management questions – look to the safety valve companies Farris Engineering and North American Machine Works.

Farris Relief Valves, Series 3800, 2600 and 2700 Farris Relief Valves are ASME NB Certified for air, steam and water. These valve models are European CE Approved. They come in sizes 1 X 2-12 X 16. Series 3800 Farris Relief Valves actual orifice areas range from 0.15-109 square inches and can handle pressures from 20-6170 psig and handle -450° F-500° F. We also offer Farris valve parts, Worcester valve parts, and Worcester positioners. Contact us to find out more about our Farris and Worcester brands. You can also browse our catalog.

The optional balanced bellows design isolates working parts and top-works from corrosion, and nullifies the effects of back pressure on valve performance. The "D" to "T" orifices of the Series 2600 Farris Relief Valves meet API Standard 526 covering orifice areas and center-to-face dimensions. Optional Farris Safety Valves construction materials include 316 stainless steel, Monel®, and Hastelloy® C. The Farris Safety Valves are available with Farris Valve Parts in compliance with NACE standards.

Farris products from Curtiss Wright are a world leader in the design and production of a wide range of spring-loaded and pilot-operated pressure relief valves. They are used as safety devices to prevent over-pressurisation of vessels, pipelines and equipment. Providing protection of employees, plants and the environment. Used on Gas, Air, Water, Vapour, liquid and Steam service.

With Farris, a high quality trustworthy valve design is only part of our promise. Using the Farris Engineering Sizing and Selection tools, Farris provides customers with total pressure relief management solutions that support a facility’s entire lifecycle, transforming the way you ensure plant safety on a bespoke basis. With a full set pressure range, Flange standards available include ANSI, API, MSS, BS, PN and ISO. A full range of construction materials are available, which includes Carbon Steel, Stainless Steel, Duplex & Super Duplex, Aluminium Bronze, Monel, Titanium, Zirconium, plus many others.

OTC 2017 is around the corner and Bliss Anand America is geared up for the show! We are exhibiting our level, pressure and flow instrumentation along with mechanical skid packages at Booth 12140. See you there!

Valve restoration, repair, refurbishment & rebuilding services & distributor of valves. Machine shop services include control, manual, safety, relief & safety relief valve repair for steam, air & liquid service, welding & fabricating, lathe work, vertical & horizontal milling, reverse engineering, boiler service, hard facing, testing, cleaning & steam trap surveying & service. 24/7 on-site, field & mobile services are also available including cleaning, machining, lapping & testing, engineering support, preventative maintenance, online valve testing, flange facer, gate valve & globe valve machining, milling, cutting, lathe work & steam trap surveying & service. Products include safety relief valves, manual valves & controls, control valves, pressure relief valves, pressure relief valve engineering software & carrying cases. Surplus & reconditioned valves are also available.

Introduction This catalog covers Series 2600, 2600S and 2600L pressure relief valves including the latest infor­ ation available to assist m you in the sizing and selection of the proper valves for your application. Farris pressure relief valves have over a half century of proven performance providing auto­ atic and positive m protection against overpressure in thousands of industrial plants and facilities worldwide. Our earned reputation as “the First Line of Safety” is the result of countless Farris innovations combined with progressive engineering, sound design and high quality...

The Farris Advantage Farris pressure relief valves are designed to automatically protect your equipment against excessive overpressure. Every care is taken in the development, design and production of these valves to ensure complete dependability in performance. Our constant objective is to provide a superior valve that will assure ultimate protection at the lowest cost, both initially and throughout its service life. What is the Farris Advantage? Easy sizing and selection of valves using Farris catalogs and/or SizeMaster™ Sizing and Selection software. A method of specification and...

2600 Series Design Valve Selection This catalog simplifies the sizing and selection of Series 2600 process pressure relief valves. The pressure relief valves are presented here in an easy-to-understand format. Unless otherwise stated, references made to the Code refer specifically to ASME Section VIII, Division 1. Certified Capacity Code Compliance The Series 2600 pressure relief valves have been carefully constructed and tested in accordance with the requirements of the ASME Pressure Vessel Code, Section VIII. Their capacity rating for the applicable fluids is certified by the National...

2600 Series Construction Resistance to Discharge Piping Strains For most pressure relief valves, and particularly for those from which the discharge must be piped away to a remote location, it is almost impossible to keep piping strains away from the valve. The superior Farris pressure relief valve design incorporates several features which allow this valve to take a maximum amount of piping strain without hampering the functional characteristics of the valve or contributing to serious leakage. 1. The threaded connection between the valve nozzle and the valve inlet flange is located low in...

2600 Series Metallurgy Integral Sleeve Guide The Farris pressure relief valve design incorporates an integral sleeve guide (Fig 5), assuring continual positive alignment after the part has been manufactured, and including the same high corrosion resistant properties in the guide flange that are present in the sleeve portion of the guide. The sleeve guide is extended above the top of the guide flange, minimizing the possibility of corrosive or other foreign particles washing onto the guiding surfaces when the valve is relieving or when it is “breathing” as a result of atmospheric temperature...

2600 Series Operation All Stainless Steel Stem Construction The Farris pressure relief valve design features an all stainless steel stem. This construction cost-effectively eliminates dangerous sticking due to galvanic corrosion at the upper guiding point in the spring adjusting screw. The careful design of this upper bearing also ensures proper alignment and optimum freedom from galling and erratic popping. Positive Connection of Parts The Farris design incorporates a positive connection between the valve stem and the stem retainer as well as between the disc and disc holder (Fig 7). These...

2600 Series Operation Steam Jacketing for Better Heat Transfer In modern process plants, it is necessary to keep some valves and lines warm at all times to avoid solidification of the lading fluid and to guarantee the safety of equipment. Farris offers a steam jacket (Fig 8) to substantially increase the rate of heat transfer into the valve and, at the same time, simplify the problem of removing or dismantling the valve for maintenance. This design offers a separate two-piece jacket that installs on a standard valve body. See details on page 71. Simple, Accurate Adjustments The single Blow...

Definitions Safety Valve – an automatic pressure relieving device actuated by the static pressure upstream of the valve, and characterized by rapid full opening or pop action. Used for steam, gas or vapor service. Relief Valve – an automatic pressure relieving device actuated by the static pressure upstream of the valve, which opens in proportion to the increase in pressure over the opening pressure. Safety Relief Valve – an automatic pressure actuated relieving device suitable for use as either a safety or relief valve, depending on the application. Pressure Relief Valve – a pressure...

Type Numbering System Our type numbering system simplifies the selection and specifying of Farris pressure relief valves because the digits that comprise a specific type number have a distinct significance. The digits describe the basic valve series, orifice, seat and internal construction, inlet temperature range, body, bonnet and spring material, inlet flange class and Code liquid design. H Designates high pressure versions. Used for “Q”, “R”, “T”, & “U” orifices only. Series Number Orifice Areas Orifice Letter E BalanSeal with auxiliary balancing piston F BalanSeal with auxiliary...

With Farris, a trustworthy valve is only part of our promise. Farris provides customers with total pressure relief management solutions that support a facility’s lifecycle, transforming the way you ensure plant safety.

The VRC Protx service team has an industry leading safety record and is comprised of individuals including Engineers, Quality Control Foremen and Technicians who provide onsite and shop services for both planned and emergency requirements.

VRC Protx is the sales, support and service representative for Farris Pressure Relief and Safety Valves across their service and sales regions. As the local Farris representative and part of the Farris Authorized Service Team, or “FAST” Center Network, VRC Protx will provide overall life cycle management support for all pressure relief valve products. Farris’ FAST Centers provide customers with local “VR” certified service by factory-trained technicians working in independent repair, service and stocking centers. VRC Protx provides National Board qualified assembly of Farris Engineering pressure relief valve and repair services for all brands and manufacturers, including mobile units for on-site and emergency service.

With over 30 years of onsite Field Testing and Repair Experience. VRC Protx is National Board of Boiler and Pressure vessel Inspector’s Certified for “VR” repair of all Manufactures ASME Code and National Board Capacity Certified Pressure Relief Valves. Our factory trained QC Foremen and Technicians repair, functional test and document these processes using only OEM repair parts. Mobile Trailers are available for onsite services with Electronic Inline Valve Testing, (Section I and Section VIII Applications).

Through our Factory Authorized Pressure Management Center, VRC Protx maintains a local inventory of valves and parts, providing warranty service for Kunkle valves. We provide ASME and National Board Authorized Safety Relief Valve Assembly.

Industry leading pressure and safety relief valve designs with over 140 years of technical and application expertise providing custom engineered solutions for O&G, Refining, Chemical, Petrochemical, Process and Power applications. Our designs meet global and local codes and standards (API 526; ASME Section I, IV & VIII; EN ISO 4126; PED & more). Gain insight into the performance of your pressure relief valves with wireless monitoring.

Since the 1940s, Farris Engineering has designed and produced a wide range of spring-loaded and pilot-operated pressure relief valves. Used as safety devices, PRVs prevent over-pressurization of vessels, pipelines, and equipment, protecting employees, plants and the environment.

With Farris Valves, a trustworthy valve is only part of our promise. Farris provides customers with total pressure relief management solutions that support a facility’s entire lifecycle, transforming the way you ensure plant safety.

A pressure relief valve, an umbrella term which includes safety valves and expansion relief valves, is designed to do exactly that: relieve pressure on a system. Pressure reducing valves use spring-loaded mechanisms to control and relieve any excess pressure, and prevent any more fluid passing through until normal pressure conditions have been restored. Depending on the model, control can be provided to both dynamic and static flow conditions.

While some basic components and activations in relieving pressure may differ between the specific types of relief valves, each aims to be 100% effective in keeping your equipment running safely. Our current range includes all forms of valve, from flanged to spring loaded, threaded to wireless, pilot operated, and much more.

Mobile Hydraulic Directional Control Valves are used on car carriers and in the Agricultural, Industrial and Mobile industries to provide smooth operation, low pressure drop and rapid response for precise fluid control in a lightweight constructed valve. These valves are rated at 2000 psi and flows to 10 GPM.