Types WVB & WVR 3-Way Valves

Stem-sealing metal bellows

3-way valves are suitable for use in the refrigerant cycles of industrial refrigeration systems, they can be installed between pressure vessels or between pressure pipes and two safety valves. 3-way valves are activated by a handwheel. When one of the outlets closes, the other one opens forcibly. It is impossible to lock both at the same time. Maintenance-free, any defects that occur in the functional performance of the valves can be repaired.

Technical Features

  • Available in steel or stainless steel
  • Selection of body material as per German DIN EN12284, AD2000 Series W
  • Working media: glycol-based cold brine refrigerant EN 378 p. 1, e. g. NH3, R22, R134a and blends with refrigerator oil, neutral, gas and liquid media, glycol-based cold brine
  • Assembly is possible in any position; the flow direction should be observed

WVB 3-way valvesWVR 3-way valves
materialsteel or stainless steelsteel or stainless steel
nominal sizeDN 10-125DN 10-100
nominal pressure levelPS 25, PS 40PS 25, PS 40, PS 63
temperature range-60 °C to +150 °C-60 °C to +150 °C
connectionflanged ends DIN, ANSI 
screwed ends
flanged ends DIN, ANSI  
screwed ends


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