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National Stock Number:
4820-01-192-1351
Federal Supply Class:
4820
National Item Identification Number:
011921351
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:
| F24901FIND973 | 0AT62 | SIEMENS ENERGY, INC. | | F24901FIND973 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | UP2-1250-6NC-U- | 52545 | I-T-E IMPERIAL CORP SUBSIDIARY OF GOULD INC AIRMATIC/BECKETT HARCUM DIV | | UP2-1250-6NC-U-MIL | 52545 | I-T-E IMPERIAL CORP SUBSIDIARY OF GOULD INC AIRMATIC/BECKETT HARCUM DIV | | F24901FIND973 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE | | F24901FIND973 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP | | W103324 | 0AT62 | SIEMENS ENERGY, INC. | | UP2-1250-6NCUMIL | 56607 | LEXAIR INC | | W103324 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | W103324 | 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE | | W103324 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE | | NOMINAL THREAD SIZE | 1.875 INCHES ALL ENDS | | SUPPLEMENTARY FEATURES | VALVE OPERATION METHOD: AIR |
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