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National Stock Number:
4820-01-331-7344
Federal Supply Class:
4820
National Item Identification Number:
013317344
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:
| B-1221-E 1.50IN | 11859 | HUNT VALVE COMPANY, INC. | | B-1221-E 1.50IN | 30263 | PIMA VALVE, LLC |
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Techincal Specification:
| BOLT HOLE NOMINAL DIAMETER | 0.625 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 4 ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 3.875 INCHES ALL ENDS | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SCREW | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 5.000 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.438 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | SUPPLEMENTARY FEATURES | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 30263 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 | | VALVE OPERATION METHOD | MANUAL |
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