4820-01-273-4701, VALVE,GATE

4130-01-273-4700 COMPRESSOR UNIT,REFRIGERATION

National Stock Number:
4820-01-273-4701

Federal Supply Class:
4820

National Item Identification Number:
012734701

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:

2157 3.001N	37239	LUNKENHEIMER CO
2157 3.00IN	37239	LUNKENHEIMER CO

Techincal Specification:

BOLT HOLE QUANTITY	4
BONNET ATTACHMENT METHOD	THREADED
BONNET TYPE	INSIDE SCREW
CONNECTION TYPE	FLANGE, ROUND W/HOLES
FACE TO FACE DISTANCE	7.500 INCHES
FEATURES PROVIDED	BONNET PACKING
FLANGE DIAMETER	7.500 INCHES
FLANGE FACE DESIGN	PLAIN
INLET RELATIONSHIP WITH OUTLET	IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B371 ALLOY C69700 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL	COPPER ALLOY 836 BODY
MATERIAL	COPPER ALLOY 836 DISK
MATERIAL	COPPER ALLOY SEAT
MATERIAL	COPPER ALLOY STEM
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED	150.0 POUNDS PER SQUARE INCH STEAM AND 225.0 POUNDS PER SQUARE INCH WATER-OIL-GAS
PRESSURE CLASS	150.0 POUNDS
STEM TYPE	RISING
SPECIAL FEATURES	SOLID WEDGE DISC
VALVE OPERATION METHOD	MANUAL
VALVE SIZE	3.000 INCHES

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