3120-01-025-7154 BUSHING,SLEEVE Index 4820-01-025-7157 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-025-7156

Federal Supply Class:
4820

National Item Identification Number:
010257156

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:
2C980699240CRISSAIR INC


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLEFLARELESS ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY 6061 BODY
MATERIALSTEEL FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP-20.0 FAHRENHEIT 1ST RESPONSE
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE1.625 INCHES ALL ENDS
SEAT ANGLE12.0 DEGREES ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD CLASS3A ALL ENDS
THREAD SERIES DESIGNATORUNJ ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
VALVE OPERATION METHODAUTOMATIC


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