Valves that open and close the pipe by rotating the closing device horizontally in relation to the flow direction.

AK Butterfly Valves

GEA butterfly Valves are suitable for installation in the refrigerant cycles of industrial refrigeration systems. The closing device is a disc that opens and closes the pipe by horizontal rotation in relation to the flow direction. The 90° rotation is exerted via the shaft and is either by a hand-operated lever or by electric or pneumatic actuators.

GEA AWP Butterfly Valve

Butterfly Valve type AK

Technical Features

  • Available in steel or stainless steel
  • Selection of body material as per German DIN EN12284, AD2000 Series W
  • Working mediums: refrigerants as per EN 378 p. 1, e. g. NH3, R22, R134a and blends with refrigerator oil; neutral, gaseous and liquid mediums; glycol-based cold brine
  • Actuation either by hand-operated lever or by electric or pneumatic actuators

AK butterfly valves
Materialsteel or stainless steel
Nominal SizeDN 40-500
Nominal Pressure LevelPS 25
Temperature Range-50 °C to +150 °C
Connectionsflanged ends as per DIN and ANSI
Otheravailable with lever for hand-operation as well as with electric and pneumatic actuators

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