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National Stock Number:
4820-00-690-0375
Federal Supply Class:
4820
National Item Identification Number:
006900375
Description:
VALVE,DIAPHRAGM,STOP
Detail:
A VALVE DESIGNED SPECIFICALLY SO THE DIAPHRAGM SEALS THE FLOW STREAM FROM THE VALVE OPERATING MECHANISM. THE FLOW IS CONTROLLED BY THE LIFTING OF THE DIAPHRAGM FROM OR COMPRESSING IT AGAINST AN INTEGRAL SEAT. FOR PACKLESS DIAPHRAGM VALVES WHICH UTILIZE A DIAPHRAGM AS PACKING AND A DISK TO CONTROL THE FLOW, SEE VALVE, Y.
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Manufacturer Information:
| 1266-82-0000 | 88773 | GEORGE W. DAHL INC. | | 1266-82-0000 | 90005 | PUROLATOR FACET INC. | | 16N17-9512 | 10855 | CARRIER CORP | | A100024 | 88773 | GEORGE W. DAHL INC. |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | BOLTED | | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS | | CONNECTION STYLE | GASKET SEAL(BOSS) ALL ENDS | | FEATURES PROVIDED | BONNET PACKING | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | STEEL CORROSION RESISTING BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 450.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 750.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | MOUNTING FACILITY | BULKHEAD | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS | | SPECIAL FEATURES | DESIGNED FOR VACUUM SERVICE,W/TETRAFLUOROETHYLENE SWAGED-IN VALVE SEAT | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | PASSIVATE | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | VALVE OPERATION METHOD | MANUAL |
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