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National Stock Number:
4820-01-284-4876
Federal Supply Class:
4820
National Item Identification Number:
012844876
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:
| 1657601K | 86184 | GRISWOLD INDUSTRIES | | 1657601K AND CD00021 | 86184 | GRISWOLD INDUSTRIES | | 181M-EPMS 2-1/2IN AND 16576 | 86184 | GRISWOLD INDUSTRIES |
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Techincal Specification:
| BOLT HOLE NOMINAL DIAMETER | 0.688 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 5.000 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 6 ALL ENDS | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MATERIAL | RUBBER ETHYLENE-PROPYLENE CLASS EPM FLOW CONTROL DEVICE | | MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE | | NOMINAL OUTSIDE DIAMETER | 6.125 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.938 INCHES ALL ENDS | | SPECIAL FEATURES | WITH LIMIT SWITCH | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 2.500 INCHES |
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