











VATTEN pneumatic expansion butterfly valve, with its self-developed pneumatic module and valve body, has demonstrated excellent performance in various industries. It has become a reliable choice, especially in the powder and lithium battery sectors, where stability and high efficiency are paramount. The valve body is designed with high-strength materials, ensuring excellent durability even in harsh environments.
The valve's sealing performance is enhanced by the use of wear-resistant EPDM and VITON materials. These materials are highly resistant to wear and corrosion, significantly extending the valve's service life. Under high pressure, high temperature, and other complex conditions, the valve's sealing remains stable and reliable.
Additionally, the valve's sealing system has been optimized to meet strict zero-leakage standards. This ensures that the VATTEN pneumatic expansion butterfly valve effectively prevents leaks in industrial applications with high sealing requirements, guaranteeing the safety and stability of the production process

|
Actuator |
Pneumatic, double-acting, reverse-mounted recommended |
|
Recommended Air Supply Pressure |
4 bar |
|
Valve Structure |
Centerline |
|
Valve Body |
Cast Iron |
|
Disc |
SS304 |
|
Seat |
EPDM |
|
Pressure Rating |
PN10 |
|
Temperature Range |
-15℃ to 85℃ |
|
Connection Type |
Wafer |
|
Medium Name |
Powder |
|
Medium State |
Powdery |
|
Actual Temperature |
Ambient |
|
Actual Pressure |
Atmospheric |
|
Leakage Class |
VI |
We can design and develop according to the needs of our customers to meet the requirements of different clients.
|
Actuator |
Pneumatic, double-acting, reverse-mounted recommended |
|
Recommended Air Supply Pressure |
4 bar |
|
Valve Structure |
Centerline |
|
Valve Body |
Cast Iron |
|
Disc |
SS304 |
|
Seat |
EPDM |
|
Pressure Rating |
PN10 |
|
Temperature Range |
-15℃ to 85℃ |
|
Connection Type |
Wafer |
|
Medium Name |
Powder |
|
Medium State |
Powdery |
|
Actual Temperature |
Ambient |
|
Actual Pressure |
Atmospheric |
|
Leakage Class |
VI |
Vatten Valve Group, a globally renowned industrial automation valve enterprise originating from Saarland, Germany, specializes in the research, development, and manufacturing of core products such as automatic control ball valves, butterfly valves, and regulating valves. Pneumatic Expansion Butterfly Valves Suppliers and Pneumatic Expansion Butterfly Valves Factory. Leveraging our exceptional technological expertise, we deliver innovative valve solutions and professional technical support to critical industries including energy, chemical, water treatment, pharmaceutical, and food processing.
The Group operates four state-of-the-art manufacturing bases strategically located in Shanghai, Tianjin, Lishui, and Jiaxing, China. To better serve international markets, we have established branch offices in key strategic locations including the United Kingdom, Turkey, Belarus, Saudi Arabia, and Indonesia. The establishment of our Indonesian office significantly enhances our service capabilities in the Southeast Asian market, ensuring timely and efficient technical support and services for local partners and clients.
Rooted in the German tradition of precision manufacturing, Vatten Valve maintains its focus on automatic control valves while strictly adhering to international quality standards. We are committed to continuous innovation, providing customers with superior performance products, Pneumatic Expansion Butterfly Valves Wholesale, professional technical support, and comprehensive fluid control solutions, empowering them to address complex industrial fluid control challenges.
How Pneumatic Actuation Drives Reliable Flow Control A pneumatic ball valve operates by converting compressed air energy into mechanical rotation. The pneumatic actuator houses two pistons that move in response to air pressure changes, transferring force through stainless steel gears to rotate the ball a full 90 degre...
READ MOREWhat a Flow Control Valve Actually Does A flow control valve narrows or widens an internal passage to set how much fluid moves through a line at any given moment. That's the whole mechanism — a plug, ball, or needle shifts position, the opening changes size, and resistance to flow goes up or down accordingly. The engi...
READ MOREA pipeline in a chemical plant loses power at 2 a.m. Pumps stop. PLCs go dark. But the pressure in that steam line? Still steady — because the valve controlling it doesn't need electricity to do its job. That's the practical value of a self-actuated regulator: zero external energy, continuous automatic control. This a...
READ MORE