Boiler house Level controls
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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 2013
TI-P402-121 AB Issue 5
DCV3/B Boiler Feed Check Valve
2.3 101
Description The Spirax Sarco DCV3/B boiler feed check valve is designed specifically for use on boiler feedwater systems. It is a stainless steel disc check valve with a soft EPDM seat to ensure tight shut-off against boiler pressure, even under poor water conditions. The DCV3/B is normally installed between flanges in the boiler feed water line. Cast-in lugs on the valve body allow the valve to be centralised easily. Face-to-face dimensions conform to EN 558 part 1, series 49. Note: The Spirax Sarco DCV3HE is similar in specification and appearance, but has a slightly different seat design. We only recommend the DCV3/B for boiler feedwater applications. Standards Designed and manufactured in accordance with BS 7438. Standard shut-off Shut-off standard meets EN 12266-1 rate A, providing a differential pressure exists. Certification These products are available with a Typical Test Report. The products are also available with certification to EN 10204 3.1. Note: All certification/inspection requirements must be stated at the time of order placement. WARNING: The DCV3/B must not be used on any fluids categorised as Group 1 according to the E.C. directive on the classification of dangerous substances, e.g. explosive, flammable, toxic and oxidising substances.
Sizes and pipe connections DN20, DN25, DN32, DN40 and DN50. The valves are selected to suit the feedwater line size and are suitable for installation between the following flanges:- EN 1092 PN6, 10, 16, 25, 40 and BS 10 Table D, E, F, and H.
TI-P402-121 AB Issue 5
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DCV3/B Boiler Feed Check Valve
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