• - YOUR PREFERRED MANUFACTURER OF PNEUMATIC BUTTERFLY VALVES -

    COVNA pneumatic butterfly valves are created for industrial automation to help you to optimize the profit program

    Consult us to get a quick quote at sales@covnaactuator.com

Features Of COVNA Pneumatic Butterfly Valves

Quick Response

Quick Response

It has the ability to open and close quickly, suitable for applications that require quick response

Frequent Switching

Frequent Switching

Can be frequently opened and closed within a short period of time, suitable for various application conditions

safe for system

High Safety

Driven by no electric current, safe and reliable, improving the safety of your project

cost-effective

Cost-Effective Solution

Simple structure, low cost, providing you with a cost-effective and optimal valve solution

COVNA Pneumatic Actuated Butterfly Valve

We offer all types of pneumatic actuated butterfly valves and pneumatic accessories to help your project automated

pneumatic cast iron wafer butterfly valve

HK59D Cast Iron Pneumatic Wafer Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Wafer

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Cast iron

● Disc material options: Cast iron/stainless steel

● Sealing options: EPDM/PTFE

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic ss butterfly valve

HK59DS Stainless Steel Pneumatic Wafer Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Wafer

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Stainless steel 304/316/316L

● Disc material options: Cast iron/stainless steel

● Sealing options: EPDM/PTFE

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic lugged cast iron butterflyvalve

HK59DM Cast Iron Pneumatic Lugged Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Lugged

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Cast iron

● Disc material options: Cast iron/stainless steel

● Sealing options: EPDM/PTFE

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic lugged ss butterfly valve

HK59DM-S Stainless Steel Pneumatic Lugged Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Lugged

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Stainless steel 304/316/316L

● Disc material options: Cast iron/stainless steel

● Sealing options: EPDM/PTFE

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic sanitary butterfly valve

HK59DW Pneumatic Food Safe Butterfly Valve

● Nominal size: 19mm to 102mm

● Connection options: Tri-clamp

● Valve material options: Stainless steel 304/316L

● Disc material options: Stainless steel

● Sealing options: PTFE or Food grade silicone

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic sanitary thread butterfly valve

HK59DW Pneumatic Food Safe Butterfly Valve

● Nominal size: 19mm to 102mm

● Connection options: Threaded

● Valve material options: Stainless steel 304/316L

● Disc material options: Stainless steel

● Sealing options: PTFE or Food grade silicone

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic sanitary weld butterfly valve

HK59DW Pneumatic Food Safe Butterfly Valve

● Nominal size: 19mm to 102mm

● Connection options: Weld

● Valve material options: Stainless steel 304/316L

● Disc material options: Stainless steel

● Sealing options: PTFE or Food grade silicone

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic upvc butterfly valve

HK59DP Pneumatic UPVC Butterfly Valve

● Nominal size: DN50 to DN300 (2in to 12in)

● Connection: Wafer

● Valve material options: UPVC/CPVC/PPH

● Disc material options: UPVC/CPVC/PPH

● Sealing options: EPDM/FKM

● Working pressure: 10bar

● Working temperature: -10℃ to 80℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic flange cast iron butterfly valve

HK59DF Cast Iron Pneumatic Flanged Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Flange

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Cast iron

● Disc material options: Cast iron/stainless steel

● Sealing options: EPDM/PTFE

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

pneumatic flange ss butterfly valve

HK59DF Stainless Steel Pneumatic Flanged Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Flange

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Stainless steel 304/316/316L

● Disc material options: Stainless steel/cast iron

● Sealing options: EPDM or PTFE

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

HK59DG Wafer Pneumatic Hard Seal Triple Offset Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Wafer

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Stainless steel 304/316/316L

● Disc material options: Stainless steel

● Sealing options: Metal

● Max. working pressure: 40bar

● Working temperature: -10℃ to 425℃

● Actuator options: Single acting(Spring return) type or Double acting type

HK59DG Flanged Pneumatic Hard Seal Triple Offset Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Flange (ANSI, JIS, DIN, GB)

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Stainless steel 304/316/316L

● Disc material options: Stainless steel

● Sealing options: Metal

● Max. working pressure: 40bar

● Working temperature: -10℃ to 425℃

● Actuator options: Single acting(Spring return) type or Double acting type

covnaactuator-pneumatic-fluorine-lining-valve

HK59DC Pneumatic Fluorine lining Butterfly Valve

● Nominal size: DN50 to DN600 (2in to 24in)

● Connection: Wafer

● Connection standard options: ANSI, JIS, DIN, GB

● Valve material options: Carbon steel or stainless steel 304/316/316L

● Disc material: Fluorine lining

● Sealing material: Fluorine lining

● Working pressure: 10bar

● Working temperature: -10℃ to 180℃

● Actuator options: Single acting(Spring return) type or Double acting type

● Features: Suitable for acid, alkali, wastewater, etc

What COVNA Valve Could Do For You

For Project Designer Or Contractor

● A wide range of actuated butterfly valves offer a one-stop valve solution to fulfill your valve needs

● Competitive valve price to help you to win the project

● Sufficient actuated valve stock offers a fast delivery solution. To help you to start the project without delay

● Custom valve service to meet your project valve needs

For Distributors

● Market sharing to help you to know how to sell the goods and how to gain more market share

● Competitive price to help you to earn more benefits

● Sufficient stock and fast shipping to meet your inventory needs

● Product training

Need Help To Select A Pneumatic Actuated Butterfly Valve?

Contact us and we will reply to you within 12 hours.

Types Of Pneumatic Actuators For Your System

As an actuator and valve manufacturer, COVNA is committed to offer quality pneumatic actuator for you and help your automation project runs well

ATE Series Pneumatic Actuator

Spring return type(single-acting type) quarter-turn pneumatic actuator. Torque range up to 2792Nm

Auto return when air interrupted

AT Series Pneumatic Actuator

Double Acting type 90 degrees rotations pneumatic actuator. Torque range up to 4678Nm

AW Series Pneumatic Actuator

For larger size valve or valve which requires higher torque. High torque range up to 30860Nm

Scotch Yoke Pneumatic Actuator

High torque up to 40,000Nm. Suitable for the ball valves and butterfly valves which have a higher torque needs

COVNA also manufactures all kinds of pneumatic accessories for you to let your automation control process easier

Positioner

Switch Box

Gearbox

F.R.L

Pneumatic Solenoid Valve

Why Choose COVNA Valves?

COVNA has 20+ years of experience in the valve industry and we had supply valves to more than 50+ countries and 2,000+ projects with actuation solutions.

What we can do for you?

● Selection guide to help you to choose the right valve

● Offering 3D drawings and datasheets to help you to design systems and install the valve

● Online technical support to help you to resolve the valve issue

● Custom valve service is available

Valve Solution Provide

20+ years of experience in the valve industry. We will match you with reliable product solutions based on your project needs and our industry experience.

The Best Logistics Solution

COVNA has 10+ years of experience in international trade. We will provide you with the optimal logistics solution and reduce the overall project budget for you.

Technical Support

Whether you encounter problems before or during use, our professional technical team will respond quickly to provide you with solutions.

Order Your Own Pneumatic Actuated Butterfly Valve Now

What Is Pneumatic Butterfly Valve?

  • Pneumatic butterfly valve is composed of pneumatic actuator and butterfly valve. Pneumatic butterfly valve is a pneumatic actuator valve that uses a circular butterfly plate that rotates with the stem to achieve activation. It is mainly used as a cut-off valve. It can also be designed to have the function of adjustment or segment and adjustment.
  • According to the type of actuator, it can be divided into: Single-acting pneumatic butterfly valve and Double-acting pneumatic butterfly valve
  • According to the material of the butterfly valve, it can be divided into: Stainless steel pneumatic butterfly valve, Plastic pneumatic butterfly valve and Cast iron pneumatic butterfly valve。
  • According to the connection mode of the butterfly valve, it can be divided into: Wafer pneumatic butterfly valve, Flange pneumatic butterfly valve, Tri-clamp pneumatic butterfly valve and Lug pneumatic butterfly valve
  • According to the seals of the butterfly valve, it can be divided into: Soft sealing pneumatic butterfly valve and Hard sealing pneumatic butterfly valve
  • According to the structure of the butterfly valve, it can be divided into: Single eccentric pneumatic butterfly valve, Double eccentric pneumatic butterfly valve and Triple eccentric pneumatic butterfly valve
  • According to the function of the butterfly valve, it can be divided into: Normal temperature and pressure pneumatic butterfly valve, High temperature pneumatic butterfly valve and Sanitary pneumatic butterfly valve
covnaactuator-air-actuated-butterfly-valves
covnaactuator-air-operated-hard-seated-butterfly-valves

Advantages and Disadvantages of Pneumatic Butterfly Valve

Advantages Of Pneumatic Butterfly Valve:

  • Small and light, easy to disassemble and repair, and can be installed in any position
  • The structure is simple and compact, the operating torque is small, and the 90° turn to open quickly
  • The flow characteristics tend to be straight, and the regulation performance is good
  • The seal can be replaced, and the seal is reliable to achieve two-way sealing
  • 1 million cycle times

Disadvantages Of Pneumatic Butterfly Valve:

  • Need to match the air source equipment, and have requirements for the air supply pressure

Selection Guide of Pneumatic Butterfly Valve

  • Confirm what types of butterfly valve you need like connection type, valve material, seal material, size, etc
  • Confirm what pneumatic actuator you need. Such as single-acting actuator or double acting actuator
  • Confirm the air supply pressure
  • Confirm the medium, working temperature, working pressure, etc
covnaactuator-pneumatic-butterfly-valve-price

Application Of Pneumatic Actuator Valve

Water Supply

Wastewater Treatment

Food And Beverage

Paper And Pulp

Cement Plant

Shipbuilding

Power Plant

Oil And Gas

Case Studio Of Pneumatic Actuator Valve

pneumatic-actuator-valve-6

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