4820-00-892-2120 VALVE,RELIEF,SELF A Index 4820-00-892-2122 VALVE,CHECK

National Stock Number:
4820-00-892-2121

Federal Supply Class:
4820

National Item Identification Number:
008922121

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:
8970-1-760-761 SS,BUTT-WELD,8016497DRESSER, INC.
C11-115-75916497DRESSER, INC.


Techincal Specification:
CONNECTION TYPEBUTT WELD PIPE FIRST END
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIALCOBALT ALLOY FLOW CONTROL DEVICE
MATERIALCOBALT ALLOY BODY LINING
MATERIALSTEEL CORROSION RESISTING BODY
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES FIRST END
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS
STYLE DESIGNATORSTRAIGHT THRU


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