4820-01-369-1990 VALVE,CHECK Index 4820-01-369-1992 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-369-1991

Federal Supply Class:
4820

National Item Identification Number:
013691991

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:
2018301343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20183D01R004515187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20183HM41M01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20183HM41M15187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP
20183D03R004515187EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+45.0 TO 55.0 POUNDS PER SQUARE INCH
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODBOLTED
CONNECTION STYLESOCKET WITH BRAZING RING ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIALBRONZE BODYNICKEL ALLOY FLOW CONTROL DEVICENICKEL ALLOY SEATNICKEL ALLOY STEM
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS
STYLE DESIGNATORANGLE
VALVE OPERATION METHODAUTOMATIC


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