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H6 - Federal Item Name Directory
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13619
VALVE,DIAPHRAGM,STOP
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FIIG: A046B0
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Entry Date: Apr-01-1974
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Concept: 1
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Status: A
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Applicability: AC
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Type: 0
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Definition: 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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Basic INC: 70646
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Basic Name: VALVE
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Description: 1. A mechanism designed to control the flow of liquids or gases either within a closed system such as a pipeline or between the atmosphere and a closed system. It may be manually and/or power operated, actuated by predetermined pressure and/or temperature, or a pressure and/or temperature differential. Excludes: FAUCET (as modified); COCK (as modified); and THERMOSTAT (as modified).
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Corresponding NIINs: 669
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