4820-00-288-7334 VALVE,GLOBE Index 4820-00-288-7341 VALVE,EXPANSION

National Stock Number:
4820-00-288-7336

Federal Supply Class:
4820

National Item Identification Number:
002887336

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:
DE51S4824-7ALT153711NAVAL SEA SYSTEMS COMMAND
DE51S4824-7ALT180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALSTEEL BODY
STEEL FLOW CONTROL DEVICE
STEEL SEAT
STEEL STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
ASTM A182,GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
ASTM A182,GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE SEAT
ASTM A182,GRADE F6 ASSN STD SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE1.250 INCHES
FACE TO FACE DISTANCE9.500 INCHES
FLOW CONTROL DEVICEDISK
MAXIMUM OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MAXIMUM OPERATING TEMP700.0 DEG FAHRENHEIT 1ST RESPONSE
VALVE OPERATION METHODMANUAL
CONNECTION TYPEFLANGE ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER6.125 INCHES ALL ENDS
NOMINAL THICKNESS0.875 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.875 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER4.500 INCHES ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT0.250 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER2.875 INCHES ALL ENDS
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
RENEWABLE SEAT RING TYPETHREADED
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
FEATURES PROVIDEDBONNET PACKING


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