4820-01-439-9033 VALVE,SAFETY RELIEF Index 2590-01-439-9035 TOWER ASSEMBLY,LEFT

National Stock Number:
4820-01-439-9034

Federal Supply Class:
4820

National Item Identification Number:
014399034

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:
12IN NB2502E MOD30263PIMA VALVE, LLC
588811859HUNT VALVE COMPANY, INC.
588830263PIMA VALVE, LLC


Techincal Specification:
BOLT HOLE QUANTITY18
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE, ROUND W/HOLES
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
FACE TO FACE DISTANCE12.500 INCHES
FLANGE FACE DESIGNPLAIN
FLANGE DIAMETER17.625 INCHES
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B64 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-N-288, COMP B FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY OR NICKEL ALLOY SEAT
MATERIALCOPPER ALLOY 922 BODY
MATERIALCOPPER ALLOY 922 DISK
MATERIALNICKEL ALLOY STEM
PRESSURE CLASS250.0 POUNDS PER SQUARE INCH (PSI)
SPECIAL FEATURESPARTS REQUIRE SPECIAL MATERIAL CONTROL QUALITY ASSURANCE WHICH SUPPORT NONMAGNETIC SIGNATURE MINE SWEEPER
VALVE OPERATION METHODMANUAL
VALVE SIZE12.000 INCHES
STEM TYPENONRISING


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