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National Stock Number:
4820-01-256-3579
Federal Supply Class:
4820
National Item Identification Number:
012563579
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.
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Manufacturer Information:
| N10446SCM 4IN. | 62650 | FLOWORKS USA LP |
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Techincal Specification:
| CONNECTION TYPE | FLANGE ALL ENDS | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 7.500 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 425.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | OIL SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM THIRD RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, FRESH FOURTH RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, SALT FIFTH RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 9.250 INCHES ALL ENDS | | NOMINAL THICKNESS | 1.000 INCHES ALL ENDS | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 7.500 INCHES | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 4.000 INCHES | | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
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