Metall butterfly valves, type 037-038-039

The metall butterfly valves type 037/038 can be used as open/close or control valve. The easy installation of the valve between pipe flanges warrants reliable operation and sealing.

The lightweight aluminium valve body has special advantages in transport and installation. The Rilsan-coating of the valve body and the ductile iron disc provide a high resistance against corrosion. The butterfly valves are also available in a standard version with stainless steel disc.

Butterfly valves type 037 are available from DN50/2"-DN1200/48", Type 038 from DN50 up to DN300.


Range: d63DN50 – d1200DN1200
Connections: Wafer- and Lugstyle (up to DN300)
Standards: ISO, BS, ASTM and JIS
Nominal pressure: PN 10 
Control: Manual operated with handlever or gear box, electric or pneumatic actuated

Materials DN50-300: 
Type 037: Body: Aluminium with Rilsan-coating Disc: Ductile iron with Rilsan-coating
Type 038: Body and disc: Ductile iron with Rilsan-coating

Materials DN350-1200:
Ductile iron epoxy coated, disc optional in stainless steel or aluminium bronze available



Fields of Application:

  • water treatment
  • swimming pools
  • aquariums
  • ship building


  • low weight
  • good flow characteristic
  • Rilsan®/Epoxy-coating: High chemical resistance
  • NSF 50 approval for potable water
  • easy installation



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