4820-01-261-7933 VALVE,SAFETY RELIEF Index 4820-01-261-7935 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-261-7934

Federal Supply Class:
4820

National Item Identification Number:
012617934

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:
1-2IN. FIG.87 A01343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
C3515-4 ASSY.FIG.8701343ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY


Techincal Specification:
STYLE DESIGNATORANGLE FLANGED ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALCOPPER ALLOY OVERALL
FIRST CONNECTION FACE TO CENTERLINE DISTANCE1.062 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE2.500 INCHES
VALVE SIZE0.500 INCHES
FLOW CONTROL DEVICENEEDLE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
GAS, NATURAL 2ND RESPONSE
MAXIMUM OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP300.0 DEG FAHRENHEIT SINGLE RESPONSE
CONNECTION TYPETHREADED EXTERNAL PIPE 1ST END
THREADED INTERNAL PIPE 2ND END
CONNECTION STYLEPLAIN (PIPE) 1ST END
PLAIN,OPTIONAL END(PIPE) 2ND END
THREAD SERIES DESIGNATORNPT 1ST END
NPTF 2ND END
NOMINAL THREAD SIZE0.500 INCHES 1ST END
0.750 INCHES 2ND END
THREAD DIRECTIONLEFT-HAND ALL ENDS
BONNET TYPEINSIDE SPRING
BONNET ATTACHMENT METHODINTEGRAL
DISK LOADING METHODSPRING
ADJUSTABLE PRESSURE RANGE1.0 TO 300.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY1 LEVER


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