| Size of valve actuator | 240 | ||
| Material shaft | High-alloy steel | ||
| Material housing | Wrought aluminium alloy | ||
| Material cover | Wrought aluminium alloy | ||
| Pneumatic connection | G1/4 | ||
| Product weight | 11.800 g | ||
| Spring strength | 4 | ||
| Spring return torque at 50° swivel angle | 120 Nm | ||
| Note on torque | The operating torque of the actuator must not be higher than the maximum permissible torque listed in ISO 5211, with reference to the size of the mounting flange and of the coupling. | ||
| Torque at nominal operating pressure and 50° swivel angle | 120 Nm | ||
| Ambient temperature | -20 °C ... 80 °C | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Explosion ambient temperature | -20°C <= Ta <= +60°C | ||
| Explosion ignition protection type for gas | Ex h IIC T6...T3 Gb X | ||
| ATEX category gas | II 2G | ||
| CE marking (see declaration of conformity) | To UK EX instructions | ||
| Nominal operating pressure | 5,6 bar | ||
| Supply pressure for spring strength | 5,6 bar | ||
| Valve connection conforms to standard | VDI/VDE 3845 (NAMUR) | ||
| Closing direction | Closes to the right | ||
| Design | Scotch yoke system | ||
| Mounting position | optional | ||
| Fitting connection conforms to standard | ISO 5211 | ||
| Shaft connection depth | 29,5 mm | ||
| End-position adjustment range at 0° | -1 deg ... 9 deg | ||
| Flange hole pattern | F10 F12 |
| Material number shaft | 1.43 | ||
| Material screws | High-alloy steel | ||
| Material seals | FPM NBR PUR | ||
| Note on materials | RoHS-compliant | ||
| Shaft connection | T27 | ||
| Air consumption at 0.6 MPa (6 bar, 87 psi) per cycle 0°-nominal swivel angle-0° | 10,5 l | ||
| Spring return torque at 90° swivel angle | 240 Nm | ||
| Spring return torque at 0° swivel angle | 160 Nm | ||
| Torque at nominal operating pressure and 90° swivel angle | 160 Nm | ||
| Torque at nominal operating pressure and 0° swivel angle | 240 Nm | ||
| Corrosion resistance class CRC | 3 - high corrosion stress | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Explosion ignition protection type for dust | Ex h IIIC T85°C...T200°C Db X | ||
| ATEX category dust | II 2D | ||
| Explosion protection | Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) | ||
| CE mark (see declaration of conformity) | To EU Explosion Protection Directive (ATEX) | ||
| Operating pressure | 5,6 bar ... 8,4 bar | ||
| Safety Integrity Level (SIL) | Up to SIL 2 High Demand mode To SIL 2 Low Demand mode | ||
| Symbol | 991,266 | ||
| Position detection | Without | ||
| Mode of operation | Single-acting | ||
| Cushioning | No cushioning | ||
| Note on end-position adjusting range | One end position optionally adjustable | ||
| End-position adjustment range at nominal swivel angle | 81 deg ... 91 deg | ||
| Swivel angle | 90 deg |
