4820-01-456-0802, VALVE,GATE

5905-01-456-0803 RESISTOR,CHIP,FIXED,FILM

National Stock Number:
4820-01-456-0802

Federal Supply Class:
4820

National Item Identification Number:
014560802

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:

N-12183-3 4IN NON-ASBESTOS

63686

THE WALWORTH COMPANY

Techincal Specification:

BOLT HOLE QUANTITY	8
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
CONNECTION TYPE	FLANGE, ROUND W/HOLES
FACE TO FACE DISTANCE	6.750 INCHES
FLANGE FACE DESIGN	PLAIN
FLANGE DIAMETER	7.687 INCHES
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 DISK
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 FED SPEC 1ST MATERIAL RESPONSE SEAT
MATERIAL	COPPER ALLOY DISK
MATERIAL	COPPER ALLOY BODY
MATERIAL	NICKEL ALLOY SEAT
MATERIAL	NICKEL ALLOY STEM
PRESSURE CLASS	250.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES	NON-ASBESTOS TYPE
SPECIFICATION/STANDARD DATA	MIL-V-1189 TYPE 1 CLASS 2 GOVERNMENT SPECIFICATION
STEM TYPE	RISING
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	4.000 INCHES

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