Nero- Automatic Control Valves Face to face according to DIN EN 588-1 series 1(DIN 3202-F1) Flanges according to DIN EN1092-2(DIN 2501) Size range: DN 50 - DN 800 Pressure rating: PN 10 - PN 25 Features: Nero Control Valves are used as regulating and control valves. The body is designed in either horizontal or diagonal shape, with the internal configuration suitable for fluid flow. The valves are controlled by water flow. The body interior and exterior are coated with epoxy powder. Surface protection: All casting parts are coated with epoxy powder