Natural Gas Pressure Relief Valve, Pressure Relief Valve
The SRV 811R safety relief valve is installed downstream of pressure regulators to relieve limited volumes of gas. Used where venting to the atmosphere is acceptable, it provides a cost-effective solution to prevent safety shut-off valves from triggering in case of creep leaks from regulators.
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Model 10L valve has a designed-in aspirating characteristic that minimizes system pressure rise during relief valve operation. The relief valve curves indicates a drop-in relief
pressure with increasing fl ow followed by a gradual rise as the valve strokes to full open
position.
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