4820-00-797-2479, VALVE,GATE

National Stock Number:
4820-00-797-2479

Federal Supply Class:
4820

National Item Identification Number:
007972479

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:

4-3/4	63686	THE WALWORTH COMPANY
A1088592G15	28527	L3HARRIS TECHNOLOGIES, INC.
FIG.4-3/4IN.	63686	THE WALWORTH COMPANY

Techincal Specification:

BONNET TYPE	INSIDE SCREW
BONNET ATTACHMENT METHOD	THREADED
CONNECTION TYPE	THREADED INTERNAL PIPE
FEATURES PROVIDED	BONNET PACKING
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B198 ALLOY 875 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B371 ALLOY 697 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL	COPPER ALLOY 836 DISK
MATERIAL	COPPER ALLOY BODY
MATERIAL	COPPER ALLOY SEAT
MATERIAL	COPPER ALLOY STEM
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED	125.0 POUNDS PER SQUARE INCH STEAM AND 200.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED	400.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS
NOMINAL THREAD SIZE	0.750 INCHES
PRESSURE CLASS	125.0 POUNDS PER SQUARE INCH
STEM TYPE	NONRISING
SPECIAL FEATURES	SOLID WEDGE (DISK)
THREAD SERIES DESIGNATOR	NPT
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	0.750 INCHES

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