4820-01-514-7912 VALVE,SAFETY RELIEF Index 5365-01-514-7914 SPACER,SLEEVE

National Stock Number:
4820-01-514-7913

Federal Supply Class:
4820

National Item Identification Number:
015147913

Description:
VALVE,STOP-CHECK

Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.


Manufacturer Information:
1042-001J 2.5-476364MILWAUKEE VALVE CO, INC
1042-001J 3.00IN76364MILWAUKEE VALVE CO, INC
1042-001J 30076364MILWAUKEE VALVE CO, INC
1385541 MODIFIED 250 PSI80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS
BOLT HOLE QUANTITY8 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEINSIDE SCREW
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE10.000 INCHES
FEATURES PROVIDEDBONNET PACKING
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A494 GR -30-C ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A494 GR -30-C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 UNS-C92200 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-24583 CL 2 GR H MIL SPEC SINGLE MATERIAL RESPONSE PACKING AND MIL-P-24503 TY 2 CL 2 GR N MIL SPEC SINGLE MATERIAL RESPONSE PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MATERIALGRAPHITE PACKING
PROPRIETARY CHARACTERISTICSPACS
MAXIMUM OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MOUNTING FACILITYBRACKET
NOMINAL OUTSIDE DIAMETER6.630 INCHES ALL ENDS
NOMINAL THICKNESS0.940 INCHES ALL ENDS
SPECIAL FEATURESMODIFIED FROM NAVSHIPS DRAWING 803-1385541 REV J BY 250 PSI. FLANGES IAW MIL-PRF-20043 E 250 POUNDS, BOLT HOLES ARE THREADED UNC 11
VALVE OPERATION METHODAUTOMATIC OR MANUAL
VALVE SIZE3.000 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
TEST DATA DOCUMENT81349-MIL-S-901C SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). AND 96906-MIL-STD-167 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).


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