4820-01-313-4128 VALVE,SAFETY RELIEF Index 4820-01-313-4130 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-313-4129

Federal Supply Class:
4820

National Item Identification Number:
013134129

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:
10062703A486GNIMIKKEISTOKESKUS NCB FINLAND
1291858119200US ARMY ARDEC RDECOM
Z02RV04-1262701ZEVCO INC
SM-C-772307-480063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
Z02RV04-1291816CIRCOR AEROSPACE, INC.


Techincal Specification:
ADJUSTABLE PRESSURE RANGE+3.0 TO 7.0 POUNDS PER SQUARE INCH
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM BODY
MATERIALALUMINUM FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS FIRST RESPONSE
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS
OPENING PRESSURE SETTING5.0 POUNDS PER SQUARE INCH
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES ALL ENDS
SPECIAL FEATURESEND CONNECTIONS MODIFIED WITHOUT CONE POINTS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
THREAD CLASS3A ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS


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