4820-01-074-6517, VALVE,GATE

National Stock Number:
4820-01-074-6517

Federal Supply Class:
4820

National Item Identification Number:
010746517

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:

2490NOTXX-USA	48422	WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
2494A 1-2INSWE	48422	WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
25343-J	48422	WILLIAM POWELL COMPANY THE DBA POWELL VALVE DIV THE STARFLO CORPORATION

Techincal Specification:

BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
CONNECTION TYPE	SOCKET, WELD, PIPE
FEATURES PROVIDED	BONNET PACKING
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-276 TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-351 GRADE CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-351 GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL	STEEL COMP 316 STEM
MATERIAL	STEEL UNS J92800 BODY
MATERIAL	STEEL UNS J92900 DISK
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED	500.0 FAHRENHEIT STEAM
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED	200.0 POUNDS PER SQUARE INCH STEAM
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES
PRESSURE CLASS	200.0 POUNDS
STEM TYPE	RISING
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	0.500 INCHES

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