Size of valve actuator | 1.440 | ||
Swivel angle | 92 deg | ||
Fitting connection conforms to standard | ISO 5211 | ||
Mounting position | optional | ||
Design | Scotch yoke system | ||
Closing direction | Closes to the right | ||
Valve connection conforms to standard | VDI/VDE 3845 (NAMUR) | ||
Operating pressure | 1 bar ... 8,4 bar | ||
CE mark (see declaration of conformity) | To EU Explosion Protection Directive (ATEX) | ||
Explosion protection | Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) | ||
ATEX category dust | II 2D | ||
Explosion ignition protection type for dust | Ex h IIIC T85°C...T200°C Db X | ||
Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
Torque at nominal operating pressure and 0° swivel angle | 1.440 Nm | ||
Torque at nominal operating pressure and 90° swivel angle | 1.080 Nm | ||
Product weight | 33.600 g | ||
Pneumatic connection | G1/4 | ||
Material cover | Wrought aluminium alloy | ||
Material housing | Wrought aluminium alloy | ||
Material shaft | High-alloy steel |
Flange hole pattern | F12 | ||
Shaft connection depth | 38,5 mm | ||
Cushioning | No cushioning | ||
Mode of operation | Double-acting | ||
Position detection | Without | ||
Symbol | 991.265 | ||
Safety Integrity Level (SIL) | Up to SIL 2 High Demand mode To SIL 2 Low Demand mode | ||
Nominal operating pressure | 5,6 bar | ||
CE marking (see declaration of conformity) | To UK EX instructions | ||
ATEX category gas | II 2G | ||
Explosion ignition protection type for gas | Ex h IIC T6...T3 Gb X | ||
Explosion ambient temperature | -20°C <= Ta <= +60°C | ||
Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
Ambient temperature | -20 °C ... 80 °C | ||
Torque at nominal operating pressure and 50° swivel angle | 720 Nm | ||
Air consumption at 0.6 MPa (6 bar, 87 psi) per cycle 0°-nominal swivel angle-0° | 67,9 l | ||
Shaft connection | T36 | ||
Note on materials | RoHS-compliant | ||
Material seals | FPM NBR PUR | ||
Material screws | High-alloy steel | ||
Material number shaft | 1,43 |