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:
ADJUSTABLE PRESSURE RANGE+211.0 TO 240.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 922 BODY
MATERIALCOPPER ALLOY STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 2ND RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES 1ST END
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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