| Valve function | Exhaust air one-way flow control function | ||
| Material release ring | POM | ||
| Material hollow bolt | Wrought aluminium alloy | ||
| Material cover | PBT | ||
| Material covering | ES-BE | ||
| Permissible actuation moment, regulating screw | 1 Nm | ||
| Nominal torque | 11 Nm | ||
| Media temperature | -10 °C ... 60 °C | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Switching time off | 11 ms | ||
| Standard nominal flow rate in non-return direction actuated | 315 l/min ... 540 l/min | ||
| Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0 psi) actuated | 830 l/min ... 1.000 l/min | ||
| Operating pressure complete temperature range | 0,2 bar ... 10 bar | ||
| Symbol | 991,958 | ||
| Type act., cont. n.-r. func. | Pneumatic | ||
| Explosion protection | Zone 2 (ATEX) Zone 22 (ATEX) | ||
| Ambient temperature | -10 °C ... 60 °C | ||
| Operating pressure | 0,2 bar ... 10 bar | ||
| Standard nominal flow rate in flow control direction | 590 l/min | ||
| Adjustment component | Internal hexagon | ||
| Type of actuation | Manual | ||
| Pneumatic connection, port 1 | QS-8 |
| Material adjusting screw | Brass | ||
| Material sleeve | Wrought aluminium alloy | ||
| Material seals | NBR | ||
| Note on materials | RoHS-compliant | ||
| Product weight | 73,9 g | ||
| Tolerance for nominal tightening torque | ± 20% | ||
| Pilot medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Switching time on | 8 ms | ||
| Standard nominal flow rate in non-return direction non-actuated | 310 l/min ... 540 l/min | ||
| Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0 psi) non-actuated | 840 l/min ... 1.000 l/min | ||
| Standard flow rate in flow control direction 0.6->0 MPa (6->0 bar, 87->0 psi) | 940 l/min | ||
| Rotatability | 360°/no continuous swivelling permissible | ||
| Manual exhaust function | Non-detenting | ||
| Mounting position | optional | ||
| Material housing | PBT | ||
| Pilot pressure | 2 bar ... 10 bar | ||
| Standard nominal flow rate in blocked direction | 310 l/min ... 540 l/min | ||
| Type of mounting | Screw-in | ||
| Pilot air port 21 | QS-8 | ||
| Pneumatic connection, port 2 | G1/4 | ||
| Selection of additional functions | Actuated non-return valve |
