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£9.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates

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Flanged backflow preventer, with regulated reduced pressure zone, to UNI 9157 standards. WATTS patented high protection series “AIR IN - WATER OUT”. Cast iron body lined on inside and outside with 2 coats of epoxy resin. Stainless steel discharge valve guides and springs. Max. operating temperature: 60°C. Max. operating pressure: 10 bar. Flanged fittings: NP 10. Complete with inspection system and stainless steel connection to discharge pipe for ND 65 and 80. With drain funnel from ND 100 to ND 250. DEDICATED TO EXPORT MARKETS AND/OR SPECIAL APPLICATIONS REQUIRING US APPROVAL.

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