4820-01-218-3303 VALVE,SAFETY RELIEF Index 4810-01-218-3305 VALVE,SOLENOID

National Stock Number:
4820-01-218-3304

Federal Supply Class:
4820

National Item Identification Number:
012183304

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:
5177T-8TB-35091816CIRCOR AEROSPACE, INC.
5177T-8TB-40091816CIRCOR AEROSPACE, INC.


Techincal Specification:
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL CORROSION RESISTING BODY
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
ALCOHOL, ETHYL 2ND RESPONSE
AMMONIA, GASEOUS 3RD RESPONSE
AMMONIA, LIQUID 4TH RESPONSE
REFRIGERANT 12 5TH RESPONSE
MAXIMUM OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-65.0 DEG FAHRENHEIT 1ST RESPONSE
275.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
GASKET SEAL(BOSS) 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END
UNF 2ND END
NOMINAL THREAD SIZE0.750 INCHES 1ST END
0.750 INCHES 2ND END
THREAD CLASS3A 1ST END
3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
OPENING PRESSURE SETTING350.0 POUNDS PER SQUARE INCH


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