4820-01-198-0769 VALVE,SAFETY RELIEF Index 4820-01-198-0771 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-198-0770

Federal Supply Class:
4820

National Item Identification Number:
011980770

Description:
VALVE,SAFETY RELIEF

Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.


Manufacturer Information:
0861801S021115187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
861801343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8618T41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
E8618T41M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
B1640-1-1363857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY FLOW CONTROL DEVICE
NICKEL ALLOY SEAT
COPPER ALLOY STEM
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES 1ST END
BONNET TYPEINSIDE SCREW
BONNET ATTACHMENT METHODBOLTED
ADJUSTABLE PRESSURE RANGE211.0 TO 240.0 POUNDS PER SQUARE INCH


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