4820-01-208-2787 VALVE,CHECK Index 4820-01-208-2789 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-208-2788

Federal Supply Class:
4820

National Item Identification Number:
012082788

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:
493-16-D2-286768TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
493-16D2-209990PARKER-HANNIFIN CORPORATION
493-16D2-272352CURTISS-WRIGHT FLOW CONTROL CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
STEEL COMP 304 FLOW CONTROL DEVICE
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
HYDRAULIC FLUID, PETROLEUM BASE 2ND RESPONSE
MAXIMUM OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP200.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
THREAD SERIES DESIGNATORUN ALL ENDS
NOMINAL THREAD SIZE1.313 INCHES ALL ENDS
THREAD QUANTITY PER INCH12 ALL ENDS
THREAD CLASS3B ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING
SPECIAL FEATURES2 PSI CRACKING PRESSURE


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