The 6281 valve is a servo-controlled diaphragm valve from the S.EV series. A minimum differential pressure is always required for the valve to function. Different diaphragm materials and operating modes are available depending on the application. The standard brass body fulfils all European drinking water requirements. Dezincification-resistant brass is available for other markets. The range of housings is rounded off by a stainless steel version. To reduce energy consumption, all coils can be supplied with an electronic power reduction. The valve can be supplied with a manual override for easy maintenance and commissioning. In conjunction with a plug in accordance with DIN EN 175301-803 Form A, the valves fulfil protection class IP65 - in conjunction with a stainless steel housing NEMA 4X.