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Help CenterDIN 3202 Butterfly Valve DN50-DN600 Range With EPDM Seals for PN10 and PN16 Pressure Ratings
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As a leading manufacturer with ISO9001 certified quality management, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in providing robust and reliable industrial valve solutions. Our DIN 3202 Butterfly Valves, covering a comprehensive range from DN50 to DN600, are engineered for superior performance in demanding applications. Featuring high-quality EPDM seals and designed for PN10 and PN16 pressure ratings, these valves offer an optimal balance of durability, sealing integrity, and cost-effectiveness for fluid control systems worldwide.
Our butterfly valves are meticulously designed to meet the rigorous DIN 3202 standard, ensuring dimensional accuracy, interchangeability, and reliable performance. The core construction and key features are detailed below:
- Robust Construction: The valve body is typically manufactured from high-grade ductile iron, offering excellent strength and corrosion resistance. The disc, available in ductile iron or optional stainless steel, is precision-machined for a perfect fit and smooth operation.
- Superior Sealing with EPDM: The elastomeric seat is made from Ethylene Propylene Diene Monomer (EPDM), renowned for its excellent resistance to water, steam, weak acids, alkalis, and a wide range of chemicals. It ensures a bubble-tight seal and performs reliably across a broad temperature range from -15°C to +120°C.
- Versatile Pressure Ratings: These valves are available in two standard pressure classes: PN10 and PN16. This allows for flexible selection based on specific system pressure requirements, providing a safe margin for various industrial processes.
- Multiple Actuation Options: To suit diverse operational needs, the valves can be equipped with various actuation methods. Standard manual operation is available via a lever or a worm gear operator for easier handling of larger sizes. For automated control, they can be seamlessly integrated with electric or pneumatic actuators.
- Compact and Lightweight Design: Compared to gate or globe valves, the butterfly valve design offers a significantly more compact installation envelope and lighter weight, reducing structural support requirements and simplifying maintenance access.
- Bi-Directional Flow Capability: The symmetrical disc design allows for flow in either direction, simplifying piping layout and installation without concern for flow orientation.
The following table summarizes the key technical specifications for our DIN 3202 Butterfly Valve series:
| Parameter | Specification |
|---|---|
| Design Standard | DIN 3202 F1/F4/F5 |
| Size Range (Nominal Diameter) | DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600 |
| Pressure Rating | PN10 (10 bar), PN16 (16 bar) |
| Seat Material (Standard) | EPDM |
| Body Material (Standard) | Ductile Iron (GGG-40/50) |
| Disc Material (Standard) | Ductile Iron, epoxy coated |
| Stem Material | Stainless Steel (1.4108/1.4057 or equivalent) |
| Connection Type | Wafer Type (Standard), Lug Type (Optional) |
| Temperature Range (with EPDM) | -15°C to +120°C |
| Leakage Class | ANSI/FCI 70-2 Class VI (Bubble-tight) achievable |
Benefits for Your Operations: Choosing our DIN 3202 butterfly valves translates into tangible advantages for your business. Their reliable sealing minimizes fluid loss and prevents contamination. The low torque operation reduces the power requirement for actuators, leading to energy savings. The extended service life of the EPDM seat and robust construction lowers total cost of ownership by reducing maintenance frequency and replacement costs. Furthermore, their compatibility with a wide range of media makes them a versatile choice for multiple applications within a single facility.
Backed by our ISO9001 certification, which underscores our commitment to consistent quality and process control, Shanghai Zhibang has established a strong global presence, exporting to markets across North and South America, Europe, Asia, Africa, and Oceania. With an annual export value reflecting our reliability and the trust of international clients, we ensure professional service and support. Our strategic location allows for efficient logistics from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing. For a durable, high-performance, and cost-effective fluid control solution that meets international standards, our DIN 3202 Butterfly Valve range is a dependable choice. Contact us today to discuss your specific requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ):
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Q: What is the main advantage of the DIN 3202 design standard for butterfly valves?
A: The DIN 3202 standard ensures dimensional uniformity and interchangeability between valves from different manufacturers meeting the same standard. This simplifies sourcing, replacement, and spare parts management for engineers and procurement teams. -
Q: Can this valve be used for both isolating and regulating flow?
A: While primarily designed for on/off isolation, these valves can be used for basic throttling or flow regulation in certain applications. However, for precise flow control, especially at lower opening percentages, valves specifically designed for control (with characterized discs) are recommended. -
Q: Is the EPDM seat suitable for oil or hydrocarbon services?
A: No, standard EPDM is not recommended for oils, fuels, or most hydrocarbon-based fluids, as it can swell and degrade. For such media, alternative seat materials like NBR (Nitrile) or Viton are available upon request. -
Q: What is the difference between wafer and lug type connections?
A: A wafer-style valve is installed between two pipeline flanges with long bolts. A lug-style valve has threaded inserts (lugs) on both sides, allowing it to be bolted directly to each flange independently. Lug types are often preferred for end-of-line service or where one side of the pipeline may need to be disconnected. -
Q: Are these valves suitable for potable water applications?
A: Yes, when configured with EPDM seats and appropriate body/disc coatings (like epoxy), these valves can be suitable for potable water. Certifications like WRAS or KTW may be available upon request; please inquire for specific requirements. -
Q: What types of actuators can be fitted to these valves?
A: They are compatible with a wide range of actuators. We can supply or recommend manual gear operators, as well as electric (on/off or modulating) and pneumatic (double-acting or spring-return) actuators from various brands to meet your automation needs. -
Q: What is the typical delivery time for an order?
A: Delivery time depends on the order quantity, valve size, and configuration (e.g., actuator type). Standard sizes are often available from stock or have shorter lead times. We provide accurate delivery estimates upon receipt of your detailed inquiry. -
Q: Do you offer customized coatings or materials for special applications?
A: Yes, we offer customization options. Material upgrades (e.g., full stainless steel construction) and special internal/external coatings (like Rilsan, Xylan, or high-build epoxy) can be provided to handle corrosive or abrasive media. Please discuss your application specifics with our technical team.
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