Model O-A Relief Valve
 
Operation: Closed & Full Open
Differential pressure relief valve

With piston stem areas equal, the valve "sees" only differential pressure as across a filter or positive displacement meter.

Advantages:
• Easy to put in service without requiring a bypass valve.
• Simplicity (one moving part).
• Visual or remote indication of opening.

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99.99% Valve Satisfaction and
Proven Safe for the Environment!
Our unique, patented pin technology has been used for over 20 years in more than 16,000 valves around the world with an impressive satisfaction rate of 99.99%!
It's also safe for the environment!

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