4820-00-143-9405, VALVE,GATE

National Stock Number:
4820-00-143-9405

Federal Supply Class:
4820

National Item Identification Number:
001439405

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:

MIL-DTL-18110	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MILV18110	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
N10656-50-23	63686	THE WALWORTH COMPANY

Techincal Specification:

MATERIAL	NICKEL ALLOY BODY
	COBALT ALLOY SEAT
	STEEL CORROSION RESISTING STEM
	COBALT ALLOY DISK
VALVE SIZE	4.000 INCHES
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED	600.0 POUNDS PER SQUARE INCH STEAM
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED	975.0 DEG FAHRENHEIT STEAM
VALVE OPERATION METHOD	MANUAL
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
CONNECTION TYPE	BUTT WELD PIPE
NOMINAL PIPE SIZE ACCOMMODATED	4.000 INCHES
STEM TYPE	RISING
BONNET TYPE	OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD	BOLTED
FEATURES PROVIDED	BONNET PACKING
NONDEFINITIVE SPEC/STD DATA	B COMPOSITION
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MIL-DTL-18110

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