4820-01-122-4220 VALVE,CHECK Index 4820-01-122-4222 VALVE,CHECK

National Stock Number:
4820-01-122-4221

Federal Supply Class:
4820

National Item Identification Number:
011224221

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:
73888 1 INCH 8/M86184GRISWOLD INDUSTRIES
73888 REVA CDSH 97772 REVB86184GRISWOLD INDUSTRIES
73888A86184GRISWOLD INDUSTRIES


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
RUBBER SYNTHETIC FLOW CONTROL DEVICE
NICKEL ALLOY 400 SEAT
NICKEL ALLOY 400 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET WITH BRAZING RING (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
SUPPLEMENTARY FEATURESFLOW CONTROL DEVICE: DIAPHRAGM


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