4820-00-883-8981, VALVE,GATE

4730-00-883-8990 ADAPTER,STRAIGHT,TUBE TO BOSS

National Stock Number:
4820-00-883-8981

Federal Supply Class:
4820

National Item Identification Number:
008838981

Description:
VALVE,GATE

Detail:
A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

Manufacturer Information:

514

48422

WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION

Techincal Specification:

BONNET ATTACHMENT METHOD	THREADED
CONNECTION TYPE	THREADED INTERNAL PIPE
FEATURES PROVIDED	BONNET PACKING
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
OPERATING PRESSURE AND TYPE	150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM WPC ALLOY 69 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL	COPPER ALLOY 836 BODY
MATERIAL	COPPER ALLOY 836 DISK
MATERIAL	COPPER ALLOY STEM
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED	500.0 FAHRENHEIT STEAM
NOMINAL THREAD SIZE	1.250 INCHES
PRESSURE CLASS	ERR-060
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	1.250 INCHES
STEM TYPE	NONRISING
THREAD SERIES DESIGNATOR	NPT

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