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. Valves come preset at 50 psi with adjustable maximum pressure settings. 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 valve appoints john conway as national sales manager. Griffco highpressure series pressure relief valves protect chemical transfer systems from over pressure damage. Griffco back pressure valves affordably enhance the overall performance of chemical feed systems. Griffco pressure relief valves highpressure models. Condition is used, was used for testing with compressed air only.
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. Click below for additional technical information from griffco valve. Our range includes pressure relief valves in different mounting styles and. There are three main types of back pressure valves. Well assume youre ok with this, but you can optout if you wish. Not all components are replacement items, but are illustrated as a convenient reference of location and position in the. Griffco g series pressure relief valve wes dosing products. Our range includes pressure relief valves in different mounting styles and for a variety of application areas. 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. Griffco valve manufactures chemical feed equipment for pumps and systems including back pressure valves, pressure relief valves, calibration columns, injection valves, and corporation stops.
As a general rule, installation should follow the layout as outline in the typical installation drawing. Relief valves open at a specific pressure to protect pumps, pipelines, and other equipment from exceeding stress limits. Proportional relief valves r3a,r4, rl3, and rl4 series fluorocarbon fkm is standard. Griffco diaphragm style pressure relief valves prv are designed to prevent overpressure damage from metering pumps or a line blockage by acting as a. The valve s relief of elevated liquid, gas, or steam pressures prevents damage to the system. Pressure relief valve instruction manual sfa companies 10939 n. Temperature effect on piping systems should always be considered when the. Small connections 14 to 12 or dn 8 to dn 15 gseries. Products include back pressure valves, pressure relief valves, calibration columns, injection valves, corporation. This program provides an introduction to pressure relief valves, including safety valves. 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. Since 1993, griffco valve has been manufacturing high quality chemical feed equipment for pumps and systems in amherst, ny. Tseries instruction manual prominent fluid controls, inc. Griffco offers a variety of pressure relief valves and options that work in many different applications.
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. Whats the difference between cracking pressure and setting pressure. Griffco valve chemical feed equipment anderson process. 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. Griffco highflow pressure relief valves vissers sales corp. They handle a pressure range from 350 to 2000 psi 24 to 5 bar. 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 t241 pressure regulator is a forward pressure regulator that controls. Replacement spring kits are available for all models. 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. Medium to large connections 12 to 4 or dn 15 to dn 100.
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. Griffco diaphragm pressure relief valves operate when the pressure in the chemical system exceeds the preset pressure of the valve. We offer a wide selection of relief valves for any application. Products include back pressure valves, pressure relief valves, calibration columns, injection valves, corporation stops, and other chemical feed accessories. Description griffco diaphragm back pressure valves apply positive discharge pressure to a metering pump system to prevent siphoning and eliminate varying dosage rates caused by fluctuating. Be sure that this air supply can be safely pressurized above the desired relief setting. Please consult dave hurley, valve product manager at 178884576 for more information regarding our pressure relief valves. By applying a continuous back pressure to the chemical feed pump, and acting as an antisiphon valve. Griffco diaphragm back pressure valves apply positive. Griffco valve appoints john conway as national sales. 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. 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. Download product literature for griffco valve back pressure valves, pressure relief valves, calibration columns, corporation stops, injection valves, check valves. Privately held and established in 1993, griffco valve is an isocertified manufacturer of highquality chemical feed accessory equipment for pumping and chemicalfeed systems.
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. Top valve back pressure and pressure relief valves. Griffcos new molded noryl top extends the temperature and pressure rating of the standard valves. Products include back pressure valves, pressure relief valves, calibration columns, injection valves, corporation stops, and other chemicalfeed accessories. Griffco is privately held and was established in 1993 and is located in amherst, ny. Robust construction ensures reliability in the rigorous service of municipal and industrial applications. Griffco valve manufactures high quality chemical feed equipment for pumps and systems. All product griffco manufactures are proudly made in the usa. Griffco mseries diaphragm pressure relief valves are designed to protect chemical feed systems from over pressure damage caused by defective equipment or.
The diaphragm is held against the valve seat by an internal spring. Do not operate a chemical feed system that has damaged or leaking equipment. In stock now at your branch 26 in stock now at your branch 10. Parkers pressure relief valves are designed to limit the upstream pressure by opening at a preset value and discharging the medium. Griffco gseries 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. 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 offers a variety of back pressure valves and options that work in many different applications. There are four main types of pressure relief valves. Select to match the pumps discharge connection size. The valves relief of elevated liquid, gas, or steam pressures. Relief valves pressure and temperature control valves. The t241 pressure regulator is a forward pressure regulator that controls upstream pressure fluctuations to critical points of use. Back pressure valves provide positive back pressure for systems with less than the minimum required pressure difference between the discharge and suction.
Diaphragm back pressure valves gseries from griffco. Pressure relief valves empowering pumps and equipment. 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. This website uses cookies to improve your experience. The relief valve should be set approximately 15 psi. A manual override handle opens the valve without changing. Relief valves are designed to open at a preset pressure or temperature level and relieve the system when it has exceeded the desired level. 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.
Medium to large connections 12 to 4 or dn 15 to dn 100 highflow. Robust griffco pressure relief valve construction ensures reliability in rigorous service. Connect relief valve to an air pressure source which has a regulator and pressure gauge. Pressure relief valve instruction manual bva hydraulics. Your source for highquality chemical feed accessories. Products include, back pressure valves, pressure relief valves, calibration columns, injection valves, corporation stops, and other chemical feed accessories.
Griffco mseries pressure relief valves vissers sales corp. Products include, back pressure valves, pressure relief valves, calibration. 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. Buna n, ethylene propylene, and neoprene are available factoryinstalled or in replacement seal kits for field assembly. Gseries instruction manual back pressure valves pressure relief. The valves are preset at 50 psi, however they are field adjustable from 0 250 psi, optional 350 psi via the adjustment screw. 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 high pressure series pressure relief valves protect chemical transfer systems from over pressure damage. 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. 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. Bpg075p back pressure valve 52 rb call us anytime at 8557050565.
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