5330-01-490-6342 PACKING,PREFORMED Index 4820-01-490-6344 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-490-6343

Federal Supply Class:
4820

National Item Identification Number:
014906343

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
859A-8BB91816CIRCOR AEROSPACE, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 BODY
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
ETHYLENE GLYCOL 2ND RESPONSE
FUEL/OIL, HYDROCARBON 3RD RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP-65.0 DEG FAHRENHEIT 1ST RESPONSE
275.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS
THREAD QUANTITY PER INCH16 ALL ENDS
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL


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