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Treating Iron or Frac Iron |
Emergency relief valve Emergency relief valves are made of high quality forged alloy steel to provide over-pressure protection for reciprocating pumps, treating lines, pressure vessels, and other equipment operating under high pressure, high flow conditions. The valves are direct acting, relying on the system's hydraulic pressure to overcome a preset spring force to relieve. They are externally adjustable from zero pressure to maximum setting. The low pressure outlet is available with either a female line pipe thread or an integral wing union female connection; Emergency relief valves can be available in size 2" and 3".
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