4820-01-130-2153 VALVE,ANGLE Index 4820-01-130-2155 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-130-2154

Federal Supply Class:
4820

National Item Identification Number:
011302154

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:
249T-4BT91816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALSTEEL COMP 303 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALSTEEL COMP 303 BODY
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAMMONIA, GASEOUS 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS 1ST RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE0.438 INCHES 1ST END
NOMINAL THREAD SIZE0.438 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTPASSIVATE
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD SERIES DESIGNATORUNF 2ND END
THREAD SERIES DESIGNATORUNJF 1ST END
VALVE OPERATION METHODAUTOMATIC


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