Features & Benefits
    • Port size DN 15...25, 1/2...1 (ISO G/NPT)
    • Optical visual indicator as standard; 
    • Damped closing (valve close against flow direction); 
    • Suitable for contaminated process fluid; 
    • Suitable for vacuum up to max. 90%; 
    • Reversed flow direction optional; 
    • High flow rate.

    Medium: aggressive gases and liquids

    Pilot fluid: neutral gases max. +60degC

    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

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

    Operating pressure: 

    • G & NPT 1/2: 0...16bar
    • G & NPT 3/4: 0...10bar
    • G & NPT 1: 0...5bar

    Pilot pressure: 3.5...10bar

    Fluid temperature: -10...+180degC 

    Ambient temperature: -10...+60degC

    Materials: 

    Process fluid characteristics:

    Body: stainless steel

    Seat seal: PTFE

    Internal parts: stainless steel

    spindle sealing: PTFE/FKM, self adjustable

    Pilot fluid characteristics:

    Body: Polyamid 66 wih glass fibre 30%

    Seat seals: NBR

    Internal parts: brass, stainless steel