Pneumatic Actuated Butterfly Valve - Product Overview

Our ZJSD pneumatic regulating butterfly valves are composed of imported pneumatic actuators and a three-offset eccentric sealing butterfly valve body. These valves feature a simple and compact structure, easy fabrication for large diameters, self-cleaning action, low pressure drop, and high flow capacity. With the addition of a valve positioner, input control signals (4-20mADC) and a gas source of 0.4-0.7MPa, operation can be controlled. Pneumatic regulating butterfly valves are suitable for adjusting fluids with suspended particles and thick, turbid slurry-like substances. Clean media can be equipped with a valve plate and soft seals (rubber rings, Teflon rings) to minimize leakage (down to zero leakage). For high temperature and high-pressure conditions, a three-offset hard sealing valve body can be chosen. These valves are an optimal device for regulating flow rate and cutting off fluids in automated control systems. Therefore, pneumatic regulating butterfly valves are widely applied to pipelines carrying corrosive media such as metallurgy, electricity, oil, petrochemicals, air, coal gas, combustible gases, and water supply and drainage systems, where the medium temperature is ≤550℃.

Pneumatic Adjusting Butterfly Valve - Product Features

Simple, compact, lightweight, low flow resistance, high flow coefficient, excellent sealing performance. Wide adjustment range. It is the actuator unit of instruments in the automatic control system.
(2) The pneumatic regulating butterfly valve utilizes an electric-gas valve positioner, powered by electrical signals and compressed air. It accepts a 4-20mA DC current signal from the control system. The regulator converts compressed air into a gas source pressure signal for input and output, altering the valve plate's rotation angle (0-90°, any angle), providing good regulation and control of flow rate and other parameters.
(3) The pneumatic actuator utilizes a piston-type cylinder and a crank arm conversion structure, offering a high output torque with a compact size. It features a full-sealed waterproof design for high protection grade. The cylinder body is made of a mirror-type cylinder, oil-free lubrication, with a low friction coefficient, corrosion resistance, and strong durability and reliability. All transmission bearings are equipped with boundary self-lubricating bearings for oil-free lubrication, ensuring the transmission shaft does not wear.

Pneumatic Actuated Butterfly Valve - Technical Parameters

Pneumatic Actuated Butterfly Valve - Actuator Parameters

Utilizing advanced series pneumatic actuators, featuring double-acting and single-acting (spring return) types, with gear rack drive, ensuring safety and reliability; large diameter valves are equipped with series AW pneumatic actuators featuring fork-type drive, with a rational structure and high output torque, available in both double-acting and single-acting versions.
1. Gear-type double piston, with high output torque and compact size.
2. Cylinder made of aluminum alloy, lightweight and aesthetically pleasing.
3. Manual operation mechanisms can be installed at the top and bottom.
4. Rack and pinion connection for adjustable opening angle and rated flow rate.
5. Actuators are available with optional feedback signals and various accessories for automated operation.
6. The ISO 05211 standard facilitates the installation and replacement of the product.
7. The adjustable screws at both ends allow the standard product to have a ±4° adjustable range at 0° and 90°, ensuring synchronization accuracy with the valve.

Pneumatic regulating butterfly valve - Design Standard

Pneumatic调节 Butterfly Valve Parts Material

Pneumatic调节 Butterfly Valve Performance Specifications

Pneumatic Control Butterfly Valve - Connection Size Diagram

Pneumatic Actuated Butterfly Valve (Flanged)	Pneumatic Actuated Butterfly Valve (Rising Flange Hard Seated)	Pneumatic Actuated Butterfly Valve (Flanged Soft Sealed)

Pneumatic Actuated Butterfly Valve - Connection Size

Pneumatic调节 Butterfly Valve Product Selection

Valve Body Parameters: Nominal Diameter, Working Pressure, Process Medium, Application, Valve Body Material, and other series of parameters.
(2) Actuator Parameters: Actuator Type, Control Method, Control Signal (4-20mA, 1-5V), Operating Mode (Air-Open, Air-Shut)
Please provide as much detail as possible regarding the above technical specifications to facilitate our production and technical team in accurately selecting the right products for you. Should you have any questions, feel free to call us, and we will strive to provide you with excellent service!

Pneumatic调节 Butterfly Valve, Stainless Steel Pneumatic调节 Butterfly Valve, Pneumatic调节 Flanged Butterfly Valve