4820-00-814-1856 VALVE,GATE Index 4820-00-814-1859 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-814-1858

Federal Supply Class:
4820

National Item Identification Number:
008141858

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:
148538056ASHCROFT INC
1485-1-2-200PSI16497DRESSER, INC.


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 TEMP406.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDOIL 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER, FRESH 1ST RESPONSE
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS
OPENING PRESSURE SETTING200.0 POUNDS PER SQUARE INCH
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE DISCHARGE FLOW RATE35.9 GALLONS PER MINUTE
VALVE OPERATION METHODAUTOMATIC


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