Technical data

T max 90 °C
DN max 600
PN max 63


Non-slam, Venturi-type non-return valve. Flanged ends to EN standards. Max. flow velocity 2.5 m/s. Body made of cast iron, check disc made of brass and cast iron. Stainless steel seat. Suitable for horizontal and vertical installation. Rapid closure for water hammer protection.


Water supply systems, heating and air-conditioning systems.

Further technical information about BOA-RFV

Overview of technical data

T -10 – 90 (°C)
DN 40 – 600
PN 63
PN min. 16