Features & Benefits
  • Port size DN 15...10 Flange PN16
  • High flow rate; 
  • Damped closing (valve closes against flow direction); 
  • Suitable for contaminated process fluids; 
  • International approvals; 

Medium: neutral gases and fluids

Switching function: normally closed

Operation: pressure actuated by external fluid

Mounting position: optional preferably actuator vertical on top

Flow direction: determined

Port size: DN 15, 20, 25, 32, 40, 50, 65, 80, 100

Pilot connection: G1/4

Operating pressure: 

  • DN 15, 20: 0...16bar
  • DN 25: 0...10bar
  • DN 32: 0...16bar
  • DN 40: 0...12bar
  • DN 50: 0...10bar
  • DN 65: 0...7bar
  • DN 80: 0...5bar
  • DN 100: 0...2.5bar

Pilot pressure: 

actuator 1/2

  • DN 15, 20, 25: 5.5...10bar
  • DN 32, 40: 4...8bar
  • DN 50...100: 5.5...8bar

actuator 3/4

  • DN 50,65: 5...7bar
  • DN 80,100: 5.5...7bar

Fluid temperature: -10...+180degC 

Ambient temperature: -10...+60degC

Materials: 

Body: spheroidal cast iron (EN-GJS-400-18-LT)

Seat seal: PTFE

Internal parts: 1.4571, 1.4568, 1.4305, brass