COVNA Pneumatic Butterfly Valve - Valve Manufacturers

- YOUR PREFERRED MANUFACTURER OF PNEUMATIC BUTTERFLY VALVES -
COVNA pneumatic butterfly valves are created for industrial automation to help you to optimize the profit program

Hi, this is Sherry Wong from COVNA group. Glad to meet you here. We are a manufacturer of actuators and valves with 20+ years of experience in China.

COVNA is customer-oriented and provides flexible automation solutions for more than 2,000 projects. Helping them improve production efficiency and optimize profit plans. Rich experience helps us know the need of industries deeply and we believe that we could help you too.

Selection Guide
On-time Delivery
Technical Support
Free Valve Solutions
Documents Support

Contact us by filling in the form below or email to sales@covnaactuator.com and get a tailored fluid solution to your application.

Sherry WongSales Manager

COVNA Pneumatic Actuated Butterfly Valve

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

HK59D Cast Iron Pneumatic Wafer Butterfly Valve

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

● Connection: Wafer

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

● Material options: Cast iron

● Sealing options: EPDM/PTFE

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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HK59DS Stainless Steel Pneumatic Wafer Butterfly Valve

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

● Connection: Wafer

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

● Material options: Stainless steel 304/316/316L

● Sealing options: EPDM/PTFE

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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HK59DM Cast Iron Pneumatic Lugged Butterfly Valve

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

● Connection: Lugged

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

● Material options: Cast iron

● Sealing options: EPDM/PTFE

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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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

● Material options: Stainless steel 304/316/316L

● Sealing options: EPDM/PTFE

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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HK59DW Pneumatic Food Safe Butterfly Valve

● Nominal size: 19mm to 102mm

● Connection options: Tri-clamp

● Material options: Stainless steel 304/316/316L

● Sealing options: PTFE or Food grade silicone

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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HK59DW Pneumatic Food Safe Butterfly Valve

● Nominal size: 19mm to 102mm

● Connection options: Threaded

● Material options: Stainless steel 304/316/316L

● Sealing options: PTFE or Food grade silicone

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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HK59DW Pneumatic Food Safe Butterfly Valve

● Nominal size: 19mm to 102mm

● Connection options: Weld

● Material options: Stainless steel 304/316/316L

● Sealing options: PTFE or Food grade silicone

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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HK59DP Pneumatic UPVC Butterfly Valve

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

● Connection: Flange

● Material options: UPVC/CPVC/PPH

● Sealing options: EPDM or FKM

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 80℃

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

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HK59DF Cast Iron Pneumatic Flanged Butterfly Valve

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

● Connection: Flange

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

● Material options: Cast iron

● Sealing options: EPDM or PTFE

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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HK59DF Stainless Steel Pneumatic Flanged Butterfly Valve

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

● Connection: Flange

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

● Material options: Stainless steel 304/316/316L

● Sealing options: EPDM or PTFE

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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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

● Material options: Stainless steel 304/316/316L

● Sealing options: Metal

● Max. working pressure: 40bar

● Working temperature: -10℃ to 425℃

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

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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

● Material options: Stainless steel 304/316/316L

● Sealing options: Metal

● Max. working pressure: 540bar

● Working temperature: -10℃ to 425℃

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

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HK59DC Pneumatic Fluorine lining Butterfly Valve

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

● Connection: Wafer

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

● Material options: Carbon steel, stainless steel 304/316/316L

● Sealing and Disc material: Fluorine lining

● Working pressure: PN10/PN16

● Working temperature: -10℃ to 180℃

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

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

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COVNA Automatic Isolation Valves Series

We also supply electric actuated butterfly valves and pneumatic actuated valves for your project

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Electric Butterfly Valves

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Electric Ball Valves

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Pneumatic Ball Valves

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

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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

Order Your Whole Set Pneumatically Actuated Butterfly 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.

Document Support

We do our best to provide you with the required documents so that your project can go smoothly. Such as manuals, 3D drawings, and so on.

For Project Designer Or Contractor

● A one-stop valve solution to fulfill your valve needs. Saving time and saving cost

● Competitive price to help you to win the project

● Sufficient stock and fast shipping. 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

Customize Your Own Actuated Butterfly Valve Now

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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

Order Your Pneumatic Butterfly Valve

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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

Ask A Free Actuation Solution