The new GEMÜ D480 series butterfly valves are a range of valves available in body configurations such as a wafer type version, an end-flange version with threaded holes and a double flange version.
The GEMÜ D480 series butterfly valves are available in a wide range of materials and coatings for the body and butterfly disc including SG iron and superduplex steel. Coating materials include Resicoat, Rilsan or Halar.
The GEMÜ D480 series butterfly valves have an operating temperature range from -40ºC up to +200ºC based on the material selected.
The installation length is in accordance with EN 558-1 basic series 20. Connection standards to DIN (PN10/16), ANSI 150, JIS and BS can be supplied.
Standard pressure ratings are 10 bar and 16 bar. A soft-sealing concentric version of the D480 butterfly valve is suitable for pressures up to 25 bar.
The butterfly valve complies with the safety requirements of Annex I of the European Pressure Equipment Directive 97/23/EC for fluids of group 1 and 2.