4820-01-191-8085 VALVE,CHECK Index 4320-01-191-8087 VALVE FLAPPER,PUMP

National Stock Number:
4820-01-191-8086

Federal Supply Class:
4820

National Item Identification Number:
011918086

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:
167WS2IN63686THE WALWORTH COMPANY
HL-20039 PIECE 3490UBG9CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
HL-20039 PIECE 34993232CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
COPPER ALLOY 697 FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM B371 ALLOY 697 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEDISK
MEDIA FOR WHICH DESIGNEDSTEAM 1ST RESPONSE
WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH 1ST RESPONSE
400.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP550.0 DEG FAHRENHEIT 1ST RESPONSE
150.0 DEG FAHRENHEIT 2ND RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESOCKET (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES ALL ENDS
MOUNTING POSITIONHORIZONTAL


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