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Help CenterPneumatic Butterfly Valve DIN 3202 for Industrial Water Treatment and Filtration
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As a leading manufacturer with ISO 9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our high-performance Pneumatic Butterfly Valve designed to DIN 3202 standards. Engineered specifically for demanding industrial water treatment and filtration applications, this valve combines robust construction with precise pneumatic actuation for reliable, automated flow control. Our commitment to quality, honed since our establishment in 2016 and proven by our global export reach, ensures you receive a product that enhances system efficiency, reduces maintenance downtime, and provides long-term operational stability in critical processes.
This valve is engineered to meet the rigorous demands of modern industrial facilities. Its core design focuses on providing a tight seal, smooth operation, and excellent resistance to the chemicals and particulates commonly found in water treatment systems. The integration of a high-quality pneumatic actuator allows for remote or automated control, making it an ideal component for SCADA systems and process automation. Whether you are managing raw water intake, backwash cycles, chemical dosing, or effluent discharge, this valve delivers consistent performance.
Key Features & Technical Advantages:
- Superior Sealing Performance: Features a resilient seat (EPDM, NBR, or PTFE options) that ensures bubble-tight shut-off, minimizing leakage and preventing process fluid loss.
- Robust Construction & Corrosion Resistance: The valve body and disc are available in ductile iron, carbon steel, or stainless steel, with protective coatings optional, offering excellent durability against corrosive water and chemical agents.
- Low Torque & Easy Operation: The streamlined disc design and low-friction seat reduce operating torque, which extends actuator life and ensures reliable, low-effort cycling even after prolonged use.
- Compact & Lightweight Design: The wafer or lug style body provides a space-saving installation compared to gate or globe valves, reducing structural support requirements and overall system weight.
- Versatile Actuation Options: Paired with double-acting or spring-return (fail-safe) pneumatic actuators, offering flexibility for various control logic requirements, including emergency shut-off.
- Bi-Directional Flow Capability: Designed to handle flow effectively in both directions, simplifying piping layout and installation.
Technical Specifications Table:
| Parameter | Specification |
| Design Standard | DIN 3202 F4 / F5 |
| Size Range (Nominal Diameter) | DN50 to DN1200 (2" to 48") |
| Pressure Rating | PN10, PN16, PN25 (Class 150, 300 optional) |
| Body Material | Ductile Iron (GGG40), Carbon Steel (WCB), Stainless Steel (CF8/CF8M) |
| Seat Material | EPDM, NBR, PTFE (Standard & Optional) |
| Disc Material | Ductile Iron, Stainless Steel, with optional coatings |
| Actuator Air Supply | 4-7 bar (Standard), other ranges available |
| Operating Temperature | -10°C to +120°C (depending on seat material) |
| End Connection | Wafer, Lug, Double Flanged (as per DIN standard) |
Benefits for Your Operation:
- Enhanced Process Reliability: Automated, precise control ensures consistent flow rates and accurate process sequencing in treatment plants.
- Reduced Operational Costs: Low maintenance design and long service life of components lower total cost of ownership.
- Improved Safety: Fail-safe spring return actuators can automatically close or open the valve in case of power or air supply loss, protecting downstream equipment.
- Global Compliance: Manufactured to internationally recognized DIN standards, facilitating integration into projects worldwide.
Trust in a product backed by a manufacturer with a proven track record. Shanghai Zhibang Valve has been supplying reliable industrial valves since 2016, with an annual export value reflecting strong international trust. Our ISO 9001 certified quality management system underpins every valve we produce. We efficiently serve major markets across North and South America, Europe, Asia, Africa, and Oceania from key ports like Shanghai, Guangzhou, and Hong Kong. Choose our Pneumatic Butterfly Valve for a solution that delivers not just a product, but a partnership focused on the reliability and efficiency of your water treatment systems. Contact us today to discuss your specific requirements and receive a tailored quotation.
Frequently Asked Questions (FAQ):
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What is the main advantage of a pneumatic actuator for this butterfly valve?
Pneumatic actuators provide fast, reliable, and powerful operation suitable for automation. They are ideal for frequent cycling and can be easily integrated with PLCs and other control systems for remote operation in water treatment plants. -
Can this valve handle slurry or water with suspended solids?
Yes, with proper seat and disc material selection (such as abrasion-resistant options), the valve is suitable for applications involving raw water, backwash water, or mild slurries. The streamlined disc minimizes clogging. -
What does "DIN 3202" signify?
DIN 3202 is a German industrial standard specifying the face-to-face dimensions, pressure ratings, and testing requirements for butterfly valves. Valves built to this standard ensure dimensional interchangeability and reliable performance. -
Is a manual override available on the pneumatic actuator?
Yes, most of our pneumatic actuators can be equipped with an optional manual override device. This allows for manual operation in case of emergency or during maintenance when the air supply is unavailable. -
How do I choose between a wafer and a lug body style?
Wafer-style valves are sandwiched between two pipeline flanges and are suitable for systems where the pipeline supports the valve. Lug-style valves have threaded inserts, allowing them to be bolted directly to a flange at each end, which is beneficial for end-of-line service or where the valve needs to be isolated. -
What is the typical lead time for orders?
Lead times vary based on order size, specification, and material availability. Standard configurations typically have shorter lead times. Please contact our sales team with your specific requirements for an accurate delivery schedule. -
Do you provide custom configurations or special coatings?
Yes, we offer customization for materials, actuator specifications (torque, speed), accessories (limit switches, positioners), and protective coatings like epoxy or rubber lining based on your application needs. -
What after-sales support do you offer?
We provide comprehensive technical documentation, installation guidance, and support for spare parts. Our team is available to assist with troubleshooting to ensure optimal valve performance throughout its lifecycle.
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