Catalogue

Non-controllable reduced pressure zone backflow preventer with built-in funnel.
Body: brass. Valves: POM (polyacetal) and brass. Diaphragm and gaskets: NBR (nitrile) and EPDM.
Female fittings with fastening nut. Springs: stainless steel. PFA pressure 10 bar. Temperature: 65°C.
Options: Special versions in MM and nickel-plated versions in MM and FF available to order.
Special requirements: Horizontal installation.
Application: Heating systems with power of less than 70 Kw.
Approvals: NF, BELGAQUA, KIWA, DVGW.

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Part number DN mm DN” Connection Box/Carton
149B3781 15 1/2 Threaded FF 1
149B3782 20 3/4 Threaded FF 1