7.6.23

Cert. No. LRQ 0963008

ISO 9001

Steam main drainage

Multiple boiler installation

A DCV wafer check valve fitted on the

outlet from each boiler will prevent steam

from flowing back into any boilers that

are on stand-by.

Blending

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In blending applications DCV wafer check valves will prevent

reverse flow back along the supply lines. A common blending

application is steam/cold water mixing to produce hot water.

Pipeline ancillaries

Disc, split disc and wafer check valves

DCV

Wafer Check Valve

Applications Sheet 1

AI-P134-25

ST Issue 4

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On line

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On line

On stand-by

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.

© Copyright 2004

A DCV wafer check valve fitted after the steam trap will protect

against possible waterhammer, by preventing condensate from

flowing back into the steam main.

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