4820-01-191-8086, VALVE,CHECK

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:

167WS2IN	63686	THE WALWORTH COMPANY
HL-20039 PIECE 349	0UBG9	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION
HL-20039 PIECE 349	93232	CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION

Techincal Specification:

CONNECTION STYLE	SOCKET (PIPE) ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE	DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B371 ALLOY 697 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL	COPPER ALLOY 697 FLOW CONTROL DEVICE
MATERIAL	COPPER ALLOY 922 BODY
MAXIMUM OPERATING TEMP	150.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP	550.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITION	HORIZONTAL
NOMINAL PIPE SIZE ACCOMMODATED	2.000 INCHES ALL ENDS
OPERATING PRESSURE	200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
VALVE OPERATION METHOD	AUTOMATIC
STYLE DESIGNATOR	STRAIGHT THRU

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