| Type of mounting | In-line installation | ||
| Sealing principle | Soft | ||
| Design | Poppet valve with piston drive | ||
| Corrosion resistance class CRC | 3 - high corrosion stress | ||
| Material seat seal | PTFE | ||
| Material number process valve housing | 1.44 | ||
| Note on materials | Contains paint-wetting impairment substances RoHS-compliant | ||
| Ambient temperature | -10 °C ... 60 °C | ||
| Max. viscosity | 600 mm²/s | ||
| Direction of flow | Below valve seat, for gaseous and liquid media | ||
| Symbol | 991,367 | ||
| Pneumatic connection | Female thread G1/8 | ||
| Type of reset | Mechanical spring | ||
| Nominal pressure PN | 40 | ||
| Flow direction | Non-reversible | ||
| Nominal size | 18 mm |
| Mounting position | optional | ||
| Type of actuation | Pneumatic | ||
| Material drive housing | High-alloy stainless steel | ||
| Product weight | 1.400 g | ||
| Material spindle seal | PTFE | ||
| Material process valve housing | Stainless steel casting | ||
| Flow rate Kv | 6,5 m³/h | ||
| Media temperature | -40 °C ... 200 °C | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Medium | Vapour Mineral oil-based hydraulic fluid Inert gases Mineral oil Water Filtered compressed air, grade of filtration 200 µm Neutral fluids | ||
| Operating pressure | 87 psi ... 145 psi | ||
| Type of piloting | Externally controlled | ||
| Exhaust-air function | Without flow control option | ||
| Medium pressure | 0 bar ... 20 bar | ||
| Valve function | 2/2-way, closed, monostable | ||
| Line connection | Threaded coupling 3/4 NPT as per ANSI/ASME B 1.20.1 |
