4820-00-185-6841 VALVE,GLOBE Index 4820-00-185-6843 VALVE,GLOBE

National Stock Number:
4820-00-185-6842

Federal Supply Class:
4820

National Item Identification Number:
001856842

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:
803-1385541-054AF80064NAVAL SHIP SYSTEMS COMMAND
S4824-138554153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER7.812 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.687 INCHES ALL ENDS
BOLT HOLE QUANTITY10 ALL ENDS
BONNET ATTACHMENT METHODBOLTED
BONNET TYPEOUTSIDE SCREW-YOKE
CONNECTION TYPEFLANGE ALL ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE7.125 INCHES
FLANGE FACE DESIGNPLAIN ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-894,CLASS B- CANCELED MIL SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY R-405 FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY R-405 SEAT
MATERIALNICKEL ALLOY R-405 STEM
MAXIMUM OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MOUNTING POSITIONVERTICAL
NOMINAL OUTSIDE DIAMETER9.062 INCHES ALL ENDS
NOMINAL THICKNESS0.562 INCHES ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
SECOND CONNECTION FACE TO CENTERLINE DISTANCE7.125 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS
TEST DATA DOCUMENT03950-882035044 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.).
VALVE OPERATION METHODMANUAL
VALVE SIZE5.000 INCHES


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