Operateur type 350

The Type 350 operator marks the beginning of the SUPER range of devices capable of directly developing very high torques. It is equipped with a rack and pinion sector system with tooth adjustment capability. It operates with gases or liquids ranging from 3 bar to 320 bar, allowing it to generate torque ranging from 900 to 2,500 Nm depending on the cylinder diameter used. The chemical properties of the driving fluid dictate the material of seals and the treatment of internal parts.

Despite these high torques, this operator exerts no radial force on the drive shaft. It enables the fitting of valves or taps including conical, cylindrical, spherical (lubricated or non-lubricated), as well as butterfly valves...

Definitions

There are several models of this type of operator, each defined by a four-number symbol:

For example :

Characteristics

This servo-motor is composed of a sealed housing containing motion transformation mechanisms such as the rack, sector, bearings, and tooth reaction stops. The housing receives the actuator on one of its flanges via an adapter flange. The piston of the actuator is connected to the rack via a threaded connection to adjust the stroke during assembly. Two adjustable mechanical stops are provided on the actuator to position the rotation according to the device being motorized. The drive and fastening are located at the lower part of the assembly, while the position indicator is located at the upper part.

Emergency Manual Operation

It is achieved through a reversible screw always engaged with the mechanism, with the handwheel automatically disengaging. It is mounted on the opposite flange of the housing in alignment with the rack. The operator can be supplied without the emergency control.

Technical Specifications

The housing is made of high-quality cast steel. The mechanisms and parts of the actuator are constructed from carbon steel with manganese and silicon; external moving parts are made of stainless steel; bearings and pads are self-lubricating bronze; guides are PTFE with MOS2. All molded seals are made of Perbunan, and cut seals are asbestos rubber in standard versions. Despite its high torque output, the Type 300 operator exerts no radial force on the drive shaft. The driving fluid can be air or low-pressure gas (7 bar) to high-pressure gas (320 bar) without expansion, or hydraulic fluid. The chemical properties of the driving fluid dictate the material composition of seals and the treatment of internal components.

Upon Request : Optional equipment includes signaling contactors and control devices. Installation of a device for automatic valve closure based on specific parameters is also available on request.