Features & Benefits
- Easy rebuilding into normally open or double-acting without tools
- 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
Technical Information
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, 1 1/2, 2, 2 1/2
Pilot connection: G1/4 res. 1/4 NPT
Operating pressure:
- 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
Pilot pressure: 3.5...10bar
Fluid temperature: -10...+180degC
Ambient temperature: -10...+60degC
Materials:
Process fluid characteristics:
Body: stainless steel (1.4581)
Seat seal: PTFE
Internal parts: stainless steel
spindle sealing: PTFE/FKM, self adjustable
Pilot fluid characteristics:
Body: Polyamid 66 wiht glass fibre 30%
Seat seals: NBR
Internal parts: brass, stainless steel, 1.8159, 1.1200