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National Stock Number:
4820-01-540-7912
Federal Supply Class:
4820
National Item Identification Number:
015407912
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:
| 28S-FS4-SC/2.00IN | 61661 | NEWMANS INC NEW JERSEY DIV | | 28S-FS4/3-SC-NC | 61661 | NEWMANS INC NEW JERSEY DIV | | N0479-000 | 61661 | NEWMANS INC NEW JERSEY DIV |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | FLOW CONTROL DEVICE | DISK | | PART NAME ASSIGNED BY CONTROLLING AGENCY | GLOBE VALVE, STOP CHECK | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MATERIAL | STEEL CORROSION RESISTING SEAT | | MATERIAL | STEEL CORROSION RESISTING STEM | | MATERIAL | STEEL UNS K03504 BODY | | MAXIMUM OPERATING PRESSURE | 800.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES ALL ENDS | | SPECIAL FEATURES | END CONNECTIONS ARE SOCKET WELD IAW ASME/ANSI B16.11; SEAT IS HARD FACED WITH STELLITE 6; APPLICATION: HIGH PRESSURE AIR | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | MANUAL |
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