4820-01-311-7991 VALVE,STOP-CHECK Index 4820-01-311-7993 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-311-7992

Federal Supply Class:
4820

National Item Identification Number:
013117992

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:
990RPV-1.25-1.2598021HALKEY-ROBERTS CORP


Techincal Specification:
DISK LOADING METHODSPRING
MATERIALALUMINUM BODY
MATERIALALUMINUM SEAT
MATERIALALUMINUM STEM
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
SPECIAL FEATURESCRACKING PSI 1.25; VACUUM PRESSURE 1.25; VALVE SIZE 3/4 IN.
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU


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