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


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