4820-00-956-5946 VALVE,SAFETY RELIEF Index 4820-00-956-5957 VALVE,SAFETY RELIEF

National Stock Number:
4820-00-956-5949

Federal Supply Class:
4820

National Item Identification Number:
009565949

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:
S8001343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES 1ST END
NOMINAL THREAD SIZE1.000 INCHES 1ST END
NOMINAL THREAD SIZE1.000 INCHES 2ND END
OPENING PRESSURE SETTING85.0 POUNDS PER SQUARE INCH
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY STEM
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MAXIMUM OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT SINGLE RESPONSE
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD QUANTITY PER INCH11-1/2 1ST END
THREAD QUANTITY PER INCH11-1/2 2ND END
THREAD SERIES DESIGNATORNPT 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
VALVE DISCHARGE FLOW RATE1188.0 POUNDS PER HOUR
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
ADJUSTABLE PRESSURE RANGE+1.0/+300.0 POUNDS PER SQUARE INCH
BONNET ATTACHMENT METHODINTEGRAL
BONNET TYPEINSIDE SPRING
CONNECTION STYLEPLAIN (PIPE) 2ND END
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
CONNECTION TYPETHREADED EXTERNAL PIPE 2ND END
CONNECTION TYPETHREADED INTERNAL PIPE 1ST END
DISK LOADING METHODSPRING


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