5315-01-515-7279 PIN,STRAIGHT,HEADLESS Index 5340-01-515-7281 DOOR,ACCESS,UTILITY

National Stock Number:
4820-01-515-7280

Federal Supply Class:
4820

National Item Identification Number:
015157280

Description:
VALVE,Y

Detail:
A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION THAT PROVIDES UNOBSTRUCTED FLUID FLOW. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS DISK PERPENDICULARLY OFF CENTER AXIS OF ITS SEAT. THE STEM IS AT ANGLE OF LESS THAN 90 DEGREES (1.5708 RADIANS) TO PARALLEL INLET AND OUTLET FLOW. IT MAY UTILIZE A DIAPHRAGM AS PACKING. EXCLUDES VALVE, STOP-CHECK.


Manufacturer Information:
138562380064NAVAL SHIP SYSTEMS COMMAND
1385623-0851AF80064NAVAL SHIP SYSTEMS COMMAND
803-1385623-0851AF80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.812 INCHES ALL ENDS
BOLT HOLE QUANTITY14 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
BOLT CIRCLE NOMINAL DIAMETER11.125 INCHES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE21.500 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 OR QQ-N-281 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONKEL-F81, KF6061, NEOFLON, M-400H OR EQUAL NATIONAL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY STEM
MATERIALPLASTIC POLYCHLOROTRIFLUOROETHYLENE FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP150.0 DEG FAHRENHEIT 2ND RESPONSE
MAXIMUM OPERATING TEMP160.0 DEG FAHRENHEIT 1ST RESPONSE
NOMINAL OUTSIDE DIAMETER12.375 INCHES ALL ENDS
NOMINAL THICKNESS1.312 INCHES ALL ENDS
SPECIAL FEATURESTHIS VALVE QUALIFIED FOR SHOCK IAW MIL-S-910D INTERIM CHANGE 1 FOR MEDIUM WEIGHT EQUIPTMENT GRADE A CLASS 1 TYPE A, VIBRATION IAW MIL-STD-167 TYPE 1.THIS SOFT-SEATED VALVE DOES NOT REQUIRE O-RINGS. IT IS SUITABLE FOR CONTINUOUS USE IN WATER AND OIL SERVICE UP TO 160 DEG F; AIR SERVICE UP TO 150 DEG F (LIMITED BY MATERIAL OF GASKET. REPLACEMENT DISC/STEM ASSEMBLY IS PIECE 95
VALVE SIZE8.000 INCHES
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU Y-PATTERN FLANGED ENDS


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