Wafer Alpha Europe - Butterfly valve - S57
Wafer Alpha Europe - Butterfly valve - S57
Wafer Alpha Europe - Butterfly valve - S57
Wafer Alpha Europe - Butterfly valve - S57

Alpha Europe - Butterfly valve - S57

Butterfly valves type S57 WAFER

The Alfa Europe Bonded liner concept ensures that the liner cannot move around as a result of which;

• No tearing and distortion of the liner

• Very low wear of the seat

• Reliable low torque figures

• Exceptionally long seat life up to 3 x longer than replaceable liner valves

• Permanent dry lubrication shaft design

• Uniform sealing, bi-directional flow

• Low torque due to one shaft design

For Maritime application, scrubber application, ECGS, ballast water, fresh water, sea water, fire water, cargo oil, fuel, chemicals and more.

Standard (Options)
  • DIN
  • ANSI
  • JIS
Connection (Options)
  • Flanged (Wafer)
Material (Options)
  • EN-JS 1030 (GGG40) Ductile Iron
  • 1.4408
  • ASTM A216 WCB
  • BS 1400 AB2 (Aluminium Bronze)
Pressure Rating (Options)
  • PN 6
  • PN 10
  • PN 16
  • PN 25
Seat (Options)
  • NBR
 

Range: Size DN40 to DN1200

End connection: Wafer type S57 - Bonded liner

Flange connection: DIN PN6-10-16-25 - ANSI B 16.5 Cl. 150# - JIS B 2211 5K, 10K

Temperature range: -40 / + 250 °C

Face to face: acc. EN 558.1 series 20

Alpha Europe - Butterfly valve - S57