4820-00-276-9030 VALVE,STOP-CHECK Index 4820-00-276-9033 VALVE,STOP-CHECK

National Stock Number:
4820-00-276-9032

Federal Supply Class:
4820

National Item Identification Number:
002769032

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


Techincal Specification:
BOLT CIRCLE NOMINAL DIAMETER2.687 INCHES ALL ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES ALL ENDS
BOLT HOLE QUANTITY4 ALL ENDS
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODUNION
CONNECTION TYPEFLANGE ALL ENDS
FACE TO FACE DISTANCE5.250 INCHES
FEATURES PROVIDEDBONNET PACKING
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLOW CONTROL DEVICECONE
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-E-22200 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL BODY
MATERIALSTEEL COMP 410 STEM
MATERIALSTEEL FLOW CONTROL DEVICE
MATERIALSTEEL SEAT
MAXIMUM OPERATING TEMP650.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER3.812 INCHES ALL ENDS
NOMINAL THICKNESS0.438 INCHES ALL ENDS
RAISED FACE NOMINAL DIAMETER1.688 INCHES ALL ENDS
RAISED FACE NOMINAL HEIGHT0.062 INCHES ALL ENDS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY REPLY TO PAC AAQL,AND SIZE 3/4 IN.
VALVE OPERATION METHODMANUAL
VALVE SIZE0.750 INCHES
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS


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