Pipeline ancillaries Disc, split disc and wafer check valves
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Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2004
AI-P134-32 ST Issue 3
DCV Wafer Check Valve Applications Sheet 2
De-superheaters
A DCV wafer check valve installed after the control valve will prevent any reverse flow of steam into the water feedline. Another valve in the steam line will prevent reverse flow of water in the steam main.
7.5.34
Flowmetering
Downstream of the flowmeter pipeline unit, a DCV wafer check valve should be fitted to prevent damage to the flowmeter internals in the event of reverse flow conditions.
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AI-P134-32 ST Issue 3
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DCV Wafer Check Valve Applications Sheet 2
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