5330-01-078-9913 GASKET Index 4820-01-078-9916 VALVE,CHECK

National Stock Number:
4820-01-078-9915

Federal Supply Class:
4820

National Item Identification Number:
010789915

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-NB-25025-00008INCH30263PIMA VALVE, LLC
ASI-NB-25025-080011859HUNT VALVE COMPANY, INC.
ASI-NB-25025-080030263PIMA VALVE, LLC
NB-25025-E-8IN MOD30263PIMA VALVE, LLC
MIL-V-118981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALCOPPER ALLOY 922 BODY
NICKEL ALLOY SEAT
NICKEL ALLOY 400 STEM
COPPER ALLOY 922 DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE DISK
VALVE SIZE8.000 INCHES
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED250.0 POUNDS PER SQUARE INCH WATER-OIL-GAS AND
250.0 POUNDS PER SQUARE INCH WATER, SALT
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED150.0 DEG FAHRENHEIT WATER-OIL-GAS AND
150.0 DEG FAHRENHEIT WATER, SALT
VALVE OPERATION METHODMANUAL
INLET RELATIONSHIP WITH OUTLETIDENTICAL
CONNECTION TYPEFLANGE, ROUND W/HOLES
FLANGE DIAMETER12.375 INCHES
BOLT HOLE QUANTITY10
FACE TO FACE DISTANCE9.500 INCHES
FLANGE FACE DESIGNPLAIN
STEM TYPERISING
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
FURNISHED ITEMS AND QUANTITY1 HANDWHEEL
SPECIFICATION/STANDARD DATA81349-MIL-V-1189 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA1 TYPE AND
2 CLASS
DEPARTURE FROM CITED DOCUMENTMODIFIED TO ACCEPT A VALVE ACTUATOR
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-V-1189


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