4820-01-444-1004, VALVE,GATE

National Stock Number:
4820-01-444-1004

Federal Supply Class:
4820

National Item Identification Number:
014441004

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:

F639-31 4IN	12168	NIBCO INC
F639-31 4IN	14007	NIBCO INC
F639-31 4IN	61623	NIBCO INC CHEMTROL DIV
P/N F639-31 4IN	76816	NIBCO INC.

Techincal Specification:

BOLT HOLE QUANTITY	8
BONNET ATTACHMENT METHOD	BOLTED
BONNET TYPE	INSIDE SCREW
CONNECTION TYPE	FLANGE, ROUND W/HOLES
FACE TO FACE DISTANCE	9.000 INCHES
FLANGE FACE DESIGN	RAISED
FLANGE DIAMETER	9.000 INCHES
FURNISHED ITEMS AND QUANTITY	1 HANDWHEEL
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-395 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B-311 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL	COPPER ALLOY 694 STEM
MATERIAL	COPPER ALLOY 922 SEAT
MATERIAL	COPPER ALLOY DISK
MATERIAL	IRON BODY
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED	250.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED	550.0 FAHRENHEIT WATER-OIL-GAS
PRESSURE CLASS	150.0 POUNDS PER SQUARE INCH
STEM TYPE	NONRISING
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	4.000 INCHES

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