4820-01-283-0802 VALVE,CHECK Index 4820-01-283-0804 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-283-0803

Federal Supply Class:
4820

National Item Identification Number:
012830803

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:
2359R 1PP-0.591816CIRCOR AEROSPACE, INC.
553815353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
MATERIALSTEEL COMP 416 BODY
MAXIMUM OPERATING TEMP-40.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDACETYLENE FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, LIQUID FOURTH RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS THIRD RESPONSE
MEDIA FOR WHICH DESIGNEDCARBON DIOXIDE FIFTH RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS
SPECIAL FEATURESOTHER MEDIA UTILIZED: ALCOHOL,ETHYLENE GLYCOL,FREON 12,GASOLINE,HELIUM,HYDROGEN,HYDRAULIC FLUID (MINERAL BASED),LUBE OIL,NATURAL GAS,NITROGEN,WATER; CRACKING PRESSURE 0.5 PSI
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS


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