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One of the first applications of vacuum was for the ordinary incandescent light bulb. Thomas Edison discovered that filaments lasted longer in a vacuum. Today’s low energy bulbs still use vacuum technology.
The Edwards SP Speedivalves with fluoroelastomer or nitrile diaphragms are sealed in-line isolation valves which utilize a diaphragm and seat arrangement to provide a rugged, dirty system tolerant valve. They feature position indicators and are suitable for pipeline mounting only.
SP10K, Nitrile Diaphragm
SP16K, Nitrile Diaphragm
SP25K, Fluoroelastomer Diaphram
SP40K, Nitrile Diaphragm
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