I Operating Principle
II Sizing:Double Acting Actuator
The suggestedsafety factor for double acting actuators under normal working conditions is20%-30%.
Example:
The torque needed by valve=100N.m
The torque considered safetyfactor(1+30%)=130N.m
Air Supply=5Bar
According to the above table, wecan choose the minimum model is FⅡ-160DA.
III Double-actingactuator output torque
IV Mounting Connection And Dimension Table
V Air Consumption& Weight Table
1. Air Consumption
2. WeightTable
VI Three-positionsactuator and special actuators
1. Three-positions actuator
The three-positions actuator is a special type ofactuator that provides three-positionsoperation modes of 0°, 45°, 90° or 0° , 90° or 180°. The middle position isachieved by mechanical braking generated by the movement of two auxiliarypistons. The position between can be adjusted, such as 90° stroke actuator canprovide the middle position of 20°, 30°, 50°, 70°, etc.
OutputTorque：Refer to actuatortorque meter for 90° stroke
2. 120°,135° and 180° Pneumatic actuators
In order to meet thedriving requirements of different types of valves and mechanical automation, wecan customize pneumatic actuators with different stroke (120°, 135°, 180°)according to customers' requirements.
Inaddition, we can also customize steel case actuators, stainless steel shaftstainless steel piston actuators, quick action actuators and so on.
FII series Double Acting Pneumatic Actuators（Download）
