4820-00-276-9027 VALVE,STOP-CHECK Index 4820-00-276-9030 VALVE,STOP-CHECK

National Stock Number:
4820-00-276-9029

Federal Supply Class:
4820

National Item Identification Number:
002769029

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:
5000S4824-138551280064NAVAL SHIP SYSTEMS COMMAND
5S115680064NAVAL SHIP SYSTEMS COMMAND
B21580064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER3.375 INCHES FIRST END
BOLT HOLE NOMINAL DIAMETER0.562 INCHES FIRST END
BOLT HOLE QUANTITY4 FIRST END
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODUNION
CONNECTION TYPEFLANGE FIRST END
FEATURES PROVIDEDBONNET PACKING
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.125 INCHES
FLANGE FACE DESIGNRAISED STRAIGHT FIRST END
FLANGE SHAPEROUND WITH HOLES FIRST END
FLOW CONTROL DEVICECONE
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIALSTEEL COMP 410 STEM
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER4.500 INCHES FIRST END
NOMINAL THICKNESS0.438 INCHES FIRST END
RAISED FACE NOMINAL DIAMETER2.500 INCHES FIRST END
RAISED FACE NOMINAL HEIGHT0.062 INCHES FIRST END
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY REPLY TO PAC AAQL,AND SIZE 1 1/4 IN.
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.125 INCHES
VALVE OPERATION METHODMANUAL
VALVE SIZE1.250 INCHES
STYLE DESIGNATORANGLE FLANGED ENDS


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