Pneumatic All-Stainless Steel Soft-Seated Flanged Butterfly Valve D641x

Pneumatic All-Stainless Steel Soft-Seated Flanged Butterfly Valve D641x

The D641X pneumatic all-stainless steel soft-seated flanged butterfly valve features an all-stainless steel body and disc structure, coupled with a pneumatic actuator. It uses compressed air for rapid opening and closing or control.

Our control valves are engineered with optimized flow paths and control trims to deliver accurate, repeatable control across a wide operating range.

Specialized designs are available for high pressure, high temperature, corrosive, abrasive, and high differential pressure applications.

We offer a wide selection of valve body and trim materials, carefully selected to match process media and service conditions.operation.

The D641X pneumatic all-stainless steel soft-seated flanged butterfly valve features an all-stainless steel body and disc structure, coupled with a pneumatic actuator. It uses compressed air for rapid opening and closing or control. The soft-sealing design ensures excellent sealing performance and long service life in medium and low-pressure applications, making it widely used in automated piping systems.

Product Features:
1. All-stainless steel structure
The valve body, disc, and key components are all made of stainless steel, offering strong corrosion resistance and suitability for various media.
2. Soft-sealing design (X type)
Reliable sealing performance, achieving bidirectional sealing with a high leakage class.
3. Pneumatic drive, rapid response
Fast opening and closing speed, suitable for frequent operation conditions, enabling automated control.
4. Flange connection, stable installation
Compatible with various pipe standards, reliable sealing, and convenient maintenance.
5. Multiple control options available
Can be configured with single-acting/double-acting actuators, supporting on/off or modulating control.

Typical Application Areas:
• Water supply and drainage and wastewater treatment systems
• Chemical, food, and pharmaceutical industries
• HVAC systems
• Petroleum, light industry, and general industrial pipelines

Related products

Pneumatic Wafer-Type Butterfly Valve D671
Electric Butterfly Valve D941x
Wafer-Type Pneumatic Actuated Butterfly Valve D673w
( Valve Services We Offer )

Core Product Advantages

High adjustment accuracy and stable control

Suitable for high temperature, high pressure, and harsh operating conditions

Selected materials and high-strength structural design

Reliable sealing and low leakage rate

Easy integration with automated control systems

Complies with multiple international certification standards

( Client Testimonials )

Real Experiences From Customers

Your satisfaction is our goal. Phileda will win the praise of more and more customers with its excellent product quality and comprehensive service system. The Phileda team is ready to welcome you with vibrant energy and enthusiasm.

The valves have shown excellent reliability in demanding operating conditions. Product quality is consistent, delivery is always on time, and technical support is professional and responsive.

Sarah Henderson Partner Clients

What we value most is their ability to provide customized valve solutions and fast response throughout the entire project lifecycle. A reliable partner for critical flow control applications.

Michael Grant Partner Clients

Stable performance and low maintenance requirements make their valves a dependable choice for long-term operation. We appreciate their attention to quality control and after-sales service.

Emily Carter Partner Clients

Product quality is consistently excellent, technical communication is clear, and delivery commitments are reliable. This level of efficiency is critical for large-scale industrial projects.

Jonathan Kim Partner Clients
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