Size of valve actuator | 15 | ||
Swivel angle | 90 deg | ||
Cushioning | No cushioning | ||
Mode of operation | Single-acting | ||
Position detection | Without | ||
Symbol | 991.266 | ||
Supply pressure for spring strength | 4,2 bar | ||
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 | 9,3 Nm | ||
Spring return torque at 0° swivel angle | 7,5 Nm | ||
Spring return torque at 90° swivel angle | 11,3 Nm | ||
Air consumption at 0.6 MPa (6 bar, 87 psi) per cycle 0°-nominal swivel angle-0° | 0,6 l | ||
Shaft connection | T9 | ||
Note on materials | RoHS-compliant | ||
Material number cover | 1,44 | ||
Material housing | High-alloy stainless steel | ||
Material screws | High-alloy stainless steel | ||
Material number shaft | 1,43 |
Flange hole pattern | F03 | ||
Shaft connection depth | 10,2 mm | ||
Mounting position | optional | ||
Design | Scotch yoke system | ||
Closing direction | Closes to the right | ||
Safety Integrity Level (SIL) | Up to SIL 2 High Demand mode To SIL 2 Low Demand mode | ||
Operating pressure | 4,2 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 | 3 - high corrosion stress | ||
Torque at nominal operating pressure and 0° swivel angle | 17,6 Nm | ||
Torque at nominal operating pressure and 90° swivel angle | 13,8 Nm | ||
Spring return torque at 50° swivel angle | 5,6 Nm | ||
Spring strength | 3 | ||
Product weight | 1.600 g | ||
Pneumatic connection | G1/8 | ||
Material cover | High-alloy stainless steel | ||
Material seals | FPM NBR PUR | ||
Material number housing | 1,44 | ||
Material shaft | High-alloy stainless steel |
Stock | Pedir cotización |
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Referencia | 552877 |
Fabricante | FESTO |
Unidades | Precio / Unidad |
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1+ | $855,35 |