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The high temp double acting pneumatic actuator scotch yoke type is designed to meet the most stringent high temp applications. Unlike common actuators, it includes special materials and thermal compensation allowing it to operate accurately at temperatures of up to 200° C (392° F).
The double acting pneumatic actuator scotch yoke type is a quarter turn rotary actuator which uses air to provide force in both the opening and closing directions. In high-temperature designs heat-resistant materials are provided for the cover construction sothermometer can operate properly in all outdoor climates.
✔ Wide Temperature Operation – Reliable operation from -20°C to +250°C (-4°F to +482°F) or higher (custom designs available).
✔ High Torque & Long-lasting – Double acting scotch yoke pneumatic actuators are designed for most heavy-duty valves of furnaces, steam and exhaust systems.
✔Durability - Stainless or appropriate coatings prevent material degradation.
✔ Fail Safe Options (Select models) –Many double acting pneumatic actuator scotch yoke type models feature spring return for fail-safe shutoff.
✔ Low Friction Design - Lubricated with our high temperature lube that brings in all those sliding gates with ease.
Power generation – Control of steam turbine bypass valves, boiler feed.
Oil & Gas Refining – Flares, cat cracking.
Chemical & Petrochemical – double acting scotch yoke pneumatic actuator with high pressure reactors, Furnace damper control.
Iron/Metal Processing – heat treatment furnaces, flue gas plants.
Glass & Ceramics Manufacturing– Kiln controls and annealing line controls.
✅ Stable in Extreme Heat –No rubbery or flaky behavior when hot.
✅ Long Life – Low wear and maintenance thanks to heat-resistant materials.
✅ Accurate Positioning – double acting scotch yoke pneumatic actuator Does not move despite thermal expansion.
✅ Personalized Cooling Options – You can choose from air or water cooling when you are experiencing ultra-high temps.
Double Acting pneumatic actuator scotch yoke type Specification：
Comply to UNI EN 15714-3:2009 standard
ISO connection standard：UNI EN ISO 5211。
Auxiliary connectioin：NAMUR,VDI/VDE3845
Control angle：90°(-5°~+3°)。
Torque：Relative to control pressure and type.
Double Acting pneumatic actuator Working Condition：
Operation temperature：-20℃~+120℃
Pressure：2-8bar
Operating Medium：Filtered compressed air dry or lubricated.The pressure condensation point in accordance with (ISO 8573-1:2010, Class 3) has to be ≤ - 20℃ or 10℃under ambient temperature.
The maximum particle size in accordance with (ISO 8573-1:2010, Class 5) should not exceed 40 µm.
Double Acting pneumatic actuator Benefits：
1.Corrosion-resistant connectors All connection bolts are stainless steel with good corrosion resistance 2.Piston ring The piston guide ring, made of ultra high molecular polymer, has an extremely low coefficient of friction, while the material has high hardness and excellent wear resistance, providing precise guidance and long service life. 3.Body The cylinder body is processed with high precision and anodized. The thickness of the oxide layer is more than 20μm. It has low friction coefficient and excellent anti-corrosion and wear resistance. 4.Shaft bearing Prevent direct contact between shaft and cylinder body, ensure the positioning accuracy of drive shaft, reduce friction loss, make the actuator efficient operation. 5. Piston bearing Ensure the positioning accuracy of the piston, so that the piston can be smooth and smooth operation, prevent shifting. 6. Pin connection The fork and the drive shaft are connected by pins to ensure that the fork and the drive shaft run synchronously. At the same time, the pins also play a role in preventing the drive shaft from flying out, which is a reliable and safe design. |
Part Number and Material：
Schedule：
Pos | Description | Material |
1 | Cylinder 1 | Aluminium Alloy |
2 | Piston | Aluminium Alloy |
3 | Shaft | Alloy Steel |
4 | Yoke | Alloy Steel |
5 | Piston pin | Alloy Steel |
6 | Yoke pin | Alloy Steel |
7 | Bearing | Alloy Steel |
8 | Upper circlip | Stainless Steel |
9 | Lower circlip | Stainless Steel |
10 | Upper washer | Crystalline Polymer |
11 | Lower washer | Crystalline Polymer |
12 | Upper shaft O-ring | FKM |
13 | Lower shaft O-ring | FKM |
14 | Upper shaft bearing | Crystalline Polymer/Graphite Copper Bushing |
15 | Lower shaft bearing | Crystalline Polymer/Graphite Copper Bushing |
16 | Upper piston bearing | Crystalline Polymer |
17 | Lower piston bearing | Crystalline Polymer |
18 | Piston ring | Crystalline Polymer |
19 | Piston O-ring | FKM |
20 | Piston support chip | Crystalline Polymer |
21 | Connection plate O-ring 2 | FKM |
22 | Connection plate 2 | Aluminium Alloy |
23 | Plate socket screw 2 | Stainless Steel |
24 | Cover socket screw | Stainless Steel |
25 | Nut O-ring | FKM |
26 | screws | Stainless Steel |
27 | End Cover Seal Ring | FKM |
28 | Double Acting End Cover | Aluminium Alloy |
29 | Set Screw | Stainless Steel |
Note: 1)180-260 body is split type.
2)140-260 not included.
Above illustration for internal structure demonstration only,not for all models and parts.
KANEDE CONTROLS. produces high quality solutions for pneumatic and electric valve automation.
E-mail: support@kanede.com
Tel: 0086-519-85557268
Fax: 0086-519-85557368
Add: No. 206 Yuntaishan Road., Xinbei District, Changzhou, Jiangsu province, China
