WST909 Flanged Backflow Preventer (upon request)
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WST909 Flanged Backflow Preventer (upon request)
WST909 Flanged Backflow Preventer (upon request)
Description
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.
Technical Features
Part no.
| Type | Part no. WII | Part no. WID | |
| WST 909 | 1505006 | | 65 |
| WST 909 | 1505008 | | 80 |
| WST 909 | 1505010 | 10002329 | 100 |
| WST 909 | 1505015 | 10002330 | 150 |
| WST 909 | 1505020 | 10002331 | 200 |
| WST 909 | 1505025 | 10002332 | 250 |