Features & Benefits
  • High flow rate; 
  • Suitable for contaminated process fluids; 
  • High media compatibility due to optimal material combinations; 
  • For robust industry applications; 
  • Damped closing (valve close against flow direction); 
  • Suitable for vacuum up to max.90%; 
  • International approvals

Medium: aggress8ve gases and liquids

Pilot fluid: neutral gases max. +80degC

Switching functions: normally closed

Operation: pressure operated by external fluid

Mounting position: optional

Flow direction: determined

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

Pilot connection: G1/4 res. 1/4 NPT

Operating pressure: 

70mm actuator:

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

125mm actuator:

  • G & NPT 1/2, 3/4: 0...40bar
  • G & NPT 1: 0...25bar
  • G & NPT 1 1/4: 0...16bar
  • G & NPT 1 1/2, 2: 0...10bar

Pilot pressure: 3.5 ...8bar

Fluid temperature: -10...+180degC 

Ambient temperature: -10...+60degC

Materials: 

Process fluid characteristics:

Body: stainless steel (1.4408)

Seat seal: PTFE

Internal parts: stainless steel

spindle sealing: PTFE/FKM, self adjustable

Pilot fluid characteristics:

Body: stainless steel, Aluminum

Bottoim: WEMA-Kor, coated

seals: NBR

Internal parts: coated steel