4820-01-247-9957, VALVE,GATE

National Stock Number:
4820-01-247-9957

Federal Supply Class:
4820

National Item Identification Number:
012479957

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:

ASI-B1025E-6-18

30263

PIMA VALVE, LLC

Techincal Specification:

BOLT HOLE QUANTITY	4
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	OUTSIDE SCREW-YOKE
CONNECTION TYPE	FLANGE, ROUND W/HOLES
FACE TO FACE DISTANCE	17.000 INCHES
FLANGE FACE DESIGN	PLAIN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE DISK
MATERIAL	COPPER ALLOY 922 BODY
MATERIAL	NICKEL ALLOY 400 OR NICKEL ALLOY R-405 STEM
MATERIAL	NICKEL ALLOY DISK
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	9.875 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	LESS MANUAL GEAR OPERATOR
VALVE SIZE	18.000 INCHES

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