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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:
| MATERIAL | COPPER ALLOY BODY | | NICKEL ALLOY FLOW CONTROL DEVICE | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE SIZE | 4.000 INCHES | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 7.500 INCHES | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 7.500 INCHES | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | OIL 2ND RESPONSE | | STEAM 3RD RESPONSE | | WATER, FRESH 4TH RESPONSE | | WATER, SALT 5TH RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 9.250 INCHES ALL ENDS | | NOMINAL THICKNESS | 1.000 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | MOUNTING POSITION | HORIZONTAL |
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