| Note on materials | RoHS-compliant | ||
| Controller function | Differential pressure constant With return flow function | ||
| Pneumatic connection, port 2 | QS-12 | ||
| Nominal flow rate open | 438 l/min | ||
| Inlet pressure 1 | 0 psi ... 130,5 psi | ||
| Material housing | PBT-reinforced | ||
| Actuator lock | Counter-locking | ||
| Design | Directly actuated piston regulator With through compressed air supply | ||
| Nominal flow rate closed | 379 l/min | ||
| LABS (PWIS) conformity | VDMA24364-B1/B2-L | ||
| Material screw-in stud | Nickel-plated brass |
| Material thread seal | PTFE | ||
| Pneumatic connection, port 1 | G3/8 | ||
| Type of mounting | Screw-in | ||
| Pressure regulation range | 2 bar ... 6 bar | ||
| Ambient temperature | 0 °C ... 60 °C | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:-:-] | ||
| Mounting position | optional | ||
| Symbol | 991.535 | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Product weight | 78 g |
