5330-00-814-1952 SEAL,PLAIN ENCASED Index 4820-00-814-1958 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-814-1957

Federal Supply Class:
4820

National Item Identification Number:
008141957

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:
1535-138056ASHCROFT INC
1535-1SIZE1 1-203352RICHARDS R W CO


Techincal Specification:
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SPRING
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
DISK LOADING METHODSPRING
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY OVERALL
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES ALL ENDS
NOMINAL THREAD SIZE1.500 INCHES ALL ENDS
OPENING PRESSURE SETTING750.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
THREAD QUANTITY PER INCH11-1/2 ALL ENDS
VALVE DISCHARGE FLOW RATE314.0 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC


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