4820-00-287-3953, VALVE,GATE

National Stock Number:
4820-00-287-3953

Federal Supply Class:
4820

National Item Identification Number:
002873953

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:

1640	37239	LUNKENHEIMER CO
16401 1-2IN	37239	LUNKENHEIMER CO
FIG490	14959	CRANE CO DIV VALVE DIV
FIG4901 1-2IN	14959	CRANE CO DIV VALVE DIV
N0. 490 VALVE N.P.S. 1-1/2 IN.	14959	CRANE CO DIV VALVE DIV
FIG7091 1-2IN	63686	THE WALWORTH COMPANY
NO. 490 VALVE N.P.S. 1-1/2 IN.	14959	CRANE CO DIV VALVE DIV

Techincal Specification:

MATERIAL	IRON CAST UNS F12102 BODY
	COPPER ALLOY SEAT
	COPPER ALLOY 836 STEM
	COPPER ALLOY 836 DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-126 ASSN STD SINGLE MATERIAL RESPONSE BODY
	ASTM B-16 ASSN STD SINGLE MATERIAL RESPONSE SEAT
	ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK
VALVE SIZE	1.500 INCHES
PRESSURE CLASS	125.0 POUNDS
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED	150.0 POUNDS PER SQUARE INCH STEAM AND
	225.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED	450.0 DEG FAHRENHEIT STEAM
VALVE OPERATION METHOD	MANUAL
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
CONNECTION TYPE	THREADED INTERNAL PIPE
THREAD SERIES DESIGNATOR	NPT
NOMINAL THREAD SIZE	1.500 INCHES
STEM TYPE	RISING
BONNET TYPE	INSIDE SCREW
BONNET ATTACHMENT METHOD	U-BOLT
FEATURES PROVIDED	BONNET PACKING

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