Pressure safety valve the main difference between these and a pressure relief valve is they are operated with a manual lever to activate the valve in case of emergencies. They handle a pressure range from 350 to 2000 psi 24 to 5 bar. Griffco high pressure series pressure relief valves protect chemical transfer systems from over pressure damage. Pressure relief valve is a threeport flow through design, factory set at 50 psig field adjustable 15150 psig pressure relief valve is also available in a twoport, offline style model p2 standard diaphragm material is ptfe laminated and epdm backed 3year warranty. Griffco valve appoints john conway as national sales. Since 1993, griffco valve has been manufacturing high quality chemical feed equipment for pumps and systems in amherst, ny. Valves come preset at 50 psi with adjustable maximum pressure settings. Griffco mseries diaphragm back pressure valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line. Robust griffco pressure relief valve construction ensures reliability in rigorous service. Click in the grid below to download a pdf file of the iom manual for griffco back pressure and pressure relief valves, calibration columns, or injection valves.
All products griffco manufactures are proudly made in the usa. Products include back pressure valves, pressure relief valves, calibration columns, injection valves, corporation. Products include, back pressure valves, pressure relief valves, calibration. Relief valves are designed to open at a preset pressure or temperature level and relieve the system when it has exceeded the desired level. All product griffco manufactures are proudly made in the usa. As a general rule, installation should follow the layout as outlined in the typical installation drawing.
In stock now at your branch 26 in stock now at your branch 10. Pressure relief valve instruction manual sfa companies 10939 n. Griffco gseries pressure relief valves protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line. Increase the source pressure to the minimum level desired for pressure relief to occur. Tseries instruction manual prominent fluid controls, inc. Back pressure valves provide positive back pressure for systems with less than the minimum required pressure difference between the discharge and suction. Griffco valve manufactures chemical feed equipment for pumps and systems including back pressure valves, pressure relief valves, calibration columns, injection valves, and corporation stops. Griffco highflow diaphragm pressure relief valves are designed to protect chemical transfer systems from over pressure damage caused by defective equipment or a blockage in the chemical feed. Pressure relief valves empowering pumps and equipment. When the preset pressure is exceeded the diaphragm is forced up and the chemical flows out the relief port, back to the chemical tank or. Griffco valve chemical feed equipment anderson process.
Gseries back pressure valves griffco gseries diaphragm back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the. Griffco back pressure valves affordably enhance the overall performance of chemical feed systems. Buna n, ethylene propylene, and neoprene are available factoryinstalled or in replacement seal kits for field assembly. Griffco offers a variety of back pressure valves and options that work in many different applications. Products include back pressure valves, pressure relief valves, calibration columns, injection valves, corporation stops, and other chemical feed accessories. Griffco diaphragm pressure relief valves operate when the pressure in the chemical system exceeds the preset pressure of the valve. Small connections 14 to 12 or dn 8 to dn 15 gseries. Replacement spring kits are available for all models. Do not operate a chemical feed system that has damaged or leaking equipment.
Our range includes pressure relief valves in different mounting styles and. Be sure that this air supply can be safely pressurized above the desired relief setting. Pressure relief valve instruction manual bva hydraulics. Griffco valve manufactures high quality chemical feed equipment for pumps and systems. There are three main types of back pressure valves. Whats the difference between cracking pressure and setting pressure. Condition is used, was used for testing with compressed air only.
Proportional relief valves r3a,r4, rl3, and rl4 series fluorocarbon fkm is standard. Not all components are replacement items, but are illustrated as a convenient reference of location and position in the. Top valve back pressure and pressure relief valves. Bpg075p back pressure valve 52 rb call us anytime at 8557050565.
The valves relief of elevated liquid, gas, or steam pressures. Griffco diaphragm back pressure valves apply positive. There are four main types of pressure relief valves. By applying a continuous back pressure to the chemical feed pump, and acting as an antisiphon valve, these valves improve the operation and accuracy of metering pumps. The t241 pressure regulator is a forward pressure regulator that controls. Click below for additional technical information from griffco valve. This website uses cookies to improve your experience. Robust construction ensures reliability in the rigorous service of municipal and industrial applications. Parkers pressure relief valves are designed to limit the upstream pressure by opening at a preset value and discharging the medium. Griffco highpressure series pressure relief valves protect chemical transfer systems from over pressure damage. Griffcos new molded noryl top extends the temperature and pressure rating of the standard valves. Gseries instruction manual back pressure valves pressure relief. Before starting a chemical feed system ensure all downstream valves are open and that the griffco valve relief valve is in working order.
The t241 pressure regulator is a forward pressure regulator that controls upstream pressure fluctuations to critical points of use. Griffco diaphragm style pressure relief valves prv are designed to prevent over pressure damage from metering pumps or a line blockage by acting as a safety relief valve. Download product literature for griffco valve back pressure valves, pressure relief valves, calibration columns, corporation stops, injection valves, check valves. Please consult dave hurley, valve product manager at 178884576 for more information regarding our pressure relief valves. Products include back pressure valves, pressure relief valves, calibration columns, injection valves, corporation stops, and other chemicalfeed accessories. This program provides an introduction to pressure relief valves, including safety valves. Griffco mseries pressure relief valves vissers sales corp. Griffco mseries diaphragm pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or. Relief valves open at a specific pressure to protect pumps, pipelines, and other equipment from exceeding stress limits. Griffco highflow pressure relief valves vissers sales corp. Griffco diaphragm pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical.
We offer a wide selection of relief valves for any application. Medium to large connections 12 to 4 or dn 15 to dn 100. Mseries pressure relief valves griffco mseries diaphragm pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a. Griffco highflow pressure relief valves griffco highflow diaphragm pressure relief valves are designed to protect chemical transfer systems from over pressure damage caused by defective equipment or a blockage in the chemical feed chemical feed line.
Griffco diaphragm back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an antisyphon valve. Safety valve they operate on a similar principle as a standard pressure relief valve, use full lift or snap to operate, and are commonly used in the gas industry. Griffco valve appoints john conway as national sales manager. Griffco diaphragm pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or a blockage in the chemical feed line. Click in the grid below to download a pdf file of the iom manual for griffco back pressure and pressure relief valves, calibration columns, or injection. By applying a continuous back pressure to the chemical feed pump, and acting as an antisiphon valve. Griffco gseries diaphragm back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an antisyphon valve. Select to match the pumps discharge connection size. Griffco diaphragm style pressure relief valves prv are designed to prevent overpressure damage from metering pumps or a line blockage by acting as a. Griffco is privately held and was established in 1993 and is located in amherst, ny. Connect relief valve to an air pressure source which has a regulator and pressure gauge. The valve s relief of elevated liquid, gas, or steam pressures prevents damage to the system. Griffco offers a variety of pressure relief valves and options that work in many different applications.
Our range includes pressure relief valves in different mounting styles and for a variety of application areas. Relief valves pressure and temperature control valves. Griffco gseries diaphragm back pressure valves are designed to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as. Temperature effect on piping systems should always be considered when the. Pressure relief valve is a threeport flow through design, factory set at 50 psig field adjustable 15150 psig pressure relief valve is also available in a twoport, offline style model p2 standard diaphragm.
Back pressure valves provide positive back pressure for systems with less than the minimum required pressure difference between the discharge and suction side of the metering pump to assure best metering performance. A manual override handle opens the valve without changing. The diaphragm is held against the valve seat by an internal spring. New valve designs continue to enhance the performance of chemical feed systems by applying a continuous back pressure to the chemical feed pump, while also acting as an antisiphon valve. The relief valve should be set approximately 15 psi. As a general rule, installation should follow the layout as outline in the typical installation drawing. Well assume youre ok with this, but you can optout if you wish. Products include, back pressure valves, pressure relief valves, calibration columns, injection valves, corporation stops, and other chemical feed accessories. Medium to large connections 12 to 4 or dn 15 to dn 100 highflow. Your source for highquality chemical feed accessories.
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