4820-01-266-4220 VALVE,SAFETY RELIEF Index 4820-01-266-4222 VALVE,SHUTTLE

National Stock Number:
4820-01-266-4221

Federal Supply Class:
4820

National Item Identification Number:
012664221

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:
698788078CASHCO INC
6987-1-2IN 400-1050PSI88078CASHCO INC
6987-1/2IN-400T600 PSI88078CASHCO INC


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+400.0/+600.0 POUNDS PER SQUARE INCH
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
FLOW CONTROL DEVICEDIAPHRAGM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-682 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALSTEEL BODY
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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