850-20 Tubular Diaphragm Seawater Relief Valve
[850-20]
The Cla-Val Model 850-20 Seawater Relief Valve is a pressure-operated, in-line axial valve. A tube diaphragm actuates the valve, which is comprised of three major components: 1) Tube 2) Barrier and 3) Body. There is only one moving part in the valve - the tube diaphragm. There are no shafts, packing, stem guides or springs.
Advantages include:
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Low Head Loss
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One Spring for all Pressure Ranges between 30 and 200 PSIG
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Cast Steel Construction
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Pressure Excursions Do Not Exceed 3% of Set Pressure
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Fusion Coated Epoxy Inside and Out
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Anti-Cavitation Design
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Nickel Aluminum Bronze Construction Option (Alloy C95800)
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Duplex Stainless Steel Construction Option (Alloy 2205)
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Low Maintenance
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Simple and Reliable Operation