| Valve function | Sound pressure control function | ||
| Pneumatic connection, port 1 | G1/2 | ||
| Type of mounting | Screw-in | ||
| Standard flow rate 0.6->0 MPa (6->0 bar, 87->0 psi) | 0 l/min ... 4.300 l/min | ||
| Ambient temperature | -10 °C ... 70 °C | ||
| Symbol | 991.451 | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Product weight | 75 g | ||
| Note on materials | RoHS-compliant | ||
| Material adjusting screw | Brass |
| Selection of additional functions | With silencer | ||
| Adjustment component | Slotted head screw | ||
| Standard nominal flow rate in flow control direction | 3.600 l/min | ||
| Operating pressure | 0 bar ... 10 bar | ||
| Mounting position | optional | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:-:-] | ||
| Media temperature | -10 °C ... 70 °C | ||
| Material screw-in stud | Wrought aluminium alloy | ||
| Material seals | NBR |
