Relief Valves

Relief Valves

Relief Valve attains full stable lift at 10% overpressure.

Available in 2 in. (DN 50) through 12 in. (DN 300) flange sizes, 1800 A series full lift type valve is suited for applications requiring low emissions and operation near tank maximum allowable working pressure (MAWP). Modulating valve offers near zero blowdown and reseats at near set pressure, while reducing breathing losses of product in tank.

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Relief Valves

Relief Valve attains full stable lift at 10% overpressure.

Available in 2 in. (DN 50) through 12 in. (DN 300) flange sizes, 1800 A series full lift type valve is suited for applications requiring low emissions and operation near tank maximum allowable working pressure (MAWP). Modulating valve offers near zero blowdown and reseats at near set pressure, while reducing breathing losses of product in tank.

Read More »
Backflow Preventer Valves feature compact, modular design.
Relief Valves

Backflow Preventer Valves feature compact, modular design.

MATTHEWS, NC - New RP 4A Series reduced pressure principle backflow preventers from Apollo® Valves take up less space to fit in tight spaces and under smaller enclosures. They also allow for easier maintenance, thanks to their unique modular check valve design. The new 4A series features two captured spring" check modules, independently accessible from the top. The check modules are easily...

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Backflow Preventer Valves feature compact, modular design.
Relief Valves

Backflow Preventer Valves feature compact, modular design.

MATTHEWS, NC - New RP 4A Series reduced pressure principle backflow preventers from Apollo-® Valves take up less space to fit in tight spaces and under smaller enclosures. They also allow for easier maintenance, thanks to their unique modular check valve design. The new 4A series features two captured spring" check modules, independently accessible from the top. The check modules are easily...

Read More »
Gas or Liquid Relief Valves-1,500 through 60,000 psi
Relief Valves

Gas or Liquid Relief Valves-1,500 through 60,000 psi

Erie, PA-September 2, 2008-High Pressure Equipment offers a line of relief valves designed to protect a system from over-pressure damage and failure for gas or liquid service. They offer these valves in a factory set style with settings made and tagged accordingly prior to being shipped and a field adjustable style both of which have 316 stainless steel bodies and seat glands. The factory set...

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Gas or Liquid Relief Valves-1,500 through 60,000 psi
Relief Valves

Gas or Liquid Relief Valves-1,500 through 60,000 psi

Erie, PA-September 2, 2008-High Pressure Equipment offers a line of relief valves designed to protect a system from over-pressure damage and failure for gas or liquid service. They offer these valves in a factory set style with settings made and tagged accordingly prior to being shipped and a field adjustable style both of which have 316 stainless steel bodies and seat glands. The factory set...

Read More »
Relief Valves

Pressure Relief Insert features zero leakage.

Weighing 6 g, Model 281 Zero Leak PRI is designed for thermal relief and low flow hydraulic pressure relief applications where zero leakage is needed. Flow rates range from few mLs per minute for thermal relief applications and up to 250 mL/min for low flow pressure relief applications. Working temperature is -65 to +275-ºF, while cracking pressure is preset with capabilities ranging from...

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Relief Valves

Pressure Relief Insert features zero leakage.

Weighing 6 g, Model 281 Zero Leak PRI is designed for thermal relief and low flow hydraulic pressure relief applications where zero leakage is needed. Flow rates range from few mLs per minute for thermal relief applications and up to 250 mL/min for low flow pressure relief applications. Working temperature is -65 to +275Â-ºF, while cracking pressure is preset with capabilities ranging from...

Read More »

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