Features & Benefits
  • Port size: DN 15...50, 1/2...2 (ISO G/NPT)
  • Large size drain or shut off valve; 
  • High flow rate; 
  • Suitable for contaminated process fluids; 
  • Damped closing (valve closes against flow direction); 
  • Suitable for lower case vacuum up to max. 90%; 
  • Optical position indicator; 
  • Wide temperature range (-10...180degC); 
  • Shock and vibration tested to EN 61373, Category 1, class A and B; 

Medium: neutral gases and liquids

Pilot fluid: neutral gases max. +60degC

Switching functions: normally closed

Operation: pressure actuated by external fluid

Mounting position: optional

Flow direction: determined

Port size: G & NPT 1/2, 3/4, 1, 1 1/2, 2

Pilot connection: G or NPT 1/4

Operating pressure: 

  • G&NPT 1/2: 0...16/25bar
  • G&NPT 3/4: 0...10/16bar
  • G&NPT 1: 0...10bar
  • G&NPT 1 1/4: 0...7bar
  • G&NPT 1 1/2: 0...4.5bar
  • G&NPT 2: 0...3bar

Fluid temperature: -10...+180degC 

Ambient temperature: -10...+60degC

Storage temperature:  min. -40degC. 

Air supply must be dry enough to avoid ice formation at temperatures below +2degC

Materials: 

Process fluid characteristics:

  • Body: dezincification brass (CW617N)
  • Seat seal: PTFE
  • Internal parts: brass, stainless steel
  • spindle sealing: PTFE/ FPM
  • self-adjustable

Pilot fluid characteristics:

  • Body: polyamid 66 with glass fiber 30%
  • seat seals: NBR
  • internal parts: brass, stainless steel