4820-01-257-9787, VALVE,GATE

National Stock Number:
4820-01-257-9787

Federal Supply Class:
4820

National Item Identification Number:
012579787

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-B102A-1-025	11859	HUNT VALVE COMPANY, INC.
ASI-B102A-1-025	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
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
FACE TO FACE DISTANCE	7.500 INCHES
FLANGE FACE DESIGN	PLAIN
FLANGE DIAMETER	7.000 INCHES
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B62 ASSN STD 2ND MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B147,ALLOY8A ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL	COPPER ALLOY 922 OR COPPER ALLOY 836 BODY
MATERIAL	COPPER ALLOY 922 OR COPPER ALLOY 836 DISK
MATERIAL	COPPER ALLOY 922 OR COPPER ALLOY 836 SEAT
MATERIAL	COPPER ALLOY STEM
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED	150.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
STEM TYPE	RISING
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	2.500 INCHES

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