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


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