Fisher Control Type 657-4 Size 70 Actuator (8203197)

Fisher Control Type 657-4 Actuator (8203197)
The Fisher Control Type 657-4 Size 70 actuator is a well-regarded device in the field of control valves, typically used for throttling and regulating flow in various industrial applications. Here’s some general information about this actuator:
Features:
Design: The Type 657-4 is a spring-diaphragm actuator that provides reliable control of valve position.
Size: Size 70 indicates a certain range of torque output and stroke length, suitable for various valve sizes.
Actuation: It operates on pneumatic signals, allowing for precise control of the connected valve.
Construction: Typically constructed from durable materials to withstand harsh environments, including corrosive fluids or gases.
Applications:
Process Industries: Widely used in oil and gas, chemical processing, power generation, and water treatment.
Control Functions: Ideal for applications requiring precise flow control, such as mixing, splitting, or pressure control.
Maintenance:
Regular maintenance is essential for optimal performance, including checking the diaphragm for wear and ensuring the actuator is free from obstructions.
Installation:
Proper installation is crucial for ensuring the actuator functions correctly. It’s typically mounted directly to the valve and connected to a control system.
If you need specific technical details, such as pressure ratings, torque output, or installation guidelines, I recommend consulting the manufacturer’s documentation or the Fisher website.

Weight: 410 lbs
Dimensions: 50 × 30 × 30 in