4820-01-266-4215, VALVE,GATE

National Stock Number:
4820-01-266-4215

Federal Supply Class:
4820

National Item Identification Number:
012664215

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:

1841 1.25IN	48422	WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
1842 1.25IN	48422	WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION

Techincal Specification:

BONNET ATTACHMENT METHOD	UNION
BONNET TYPE	INSIDE SCREW
CONNECTION TYPE	SOLDER, TUBE
FEATURES PROVIDED	BONNET PACKING
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM WPC ALLOY 69 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM WPC ALLOY 56 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL	COPPER ALLOY DISK
MATERIAL	COPPER ALLOY STEM
MATERIAL	COPPER ALLOY 922 BODY
MATERIAL	COPPER ALLOY 922 SEAT
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED	550.0 FAHRENHEIT STEAM
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED	200.0 POUNDS PER SQUARE INCH STEAM AND 400.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
PRESSURE CLASS	200.0 POUNDS PER SQUARE INCH
STEM TYPE	RISING
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	1.250 INCHES

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