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Help CenterDIN 3202 Stainless Steel Butterfly Valve 304 Body, DN50-DN300, PN10-PN16, Wafer Type, Lever Operated
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As a professional manufacturer with a strong foundation since 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in delivering high-performance industrial valves. Our DIN 3202 Stainless Steel Butterfly Valve embodies our commitment to quality and reliability, designed to provide efficient and durable flow control for a wide range of demanding applications. Built with a robust 304 stainless steel body and featuring a convenient lever operation, this valve is engineered for longevity and ease of use in various industrial settings.
This wafer-type butterfly valve is constructed to meet the DIN 3202 standard, ensuring compatibility and performance consistency. The primary body material is Stainless Steel 304, known for its excellent corrosion resistance, making the valve suitable for handling water, air, mild chemicals, oils, and other neutral media. The lever-operated mechanism allows for quick and manual on/off control, which is ideal for applications where frequent operation is required or where power sources are unavailable.
The valve's design focuses on creating a tight seal and minimal pressure drop when fully open. Key features and benefits include:
- Wide Size and Pressure Range: Available from DN50 to DN300 with pressure ratings of PN10 and PN16, offering flexibility for different pipeline requirements.
- Compact and Lightweight Wafer Design: The wafer type construction allows for easy installation between two pipeline flanges, saving space and reducing overall weight compared to lug-type valves.
- Durable Sealing: Equipped with high-quality elastomer seats (such as EPDM for general use or PTFE for chemical resistance), ensuring a reliable bubble-tight seal and extended service life.
- Simple and Reliable Operation: The lever handle provides a clear visual indication of the valve position (open or closed) and allows for effortless manual operation without the need for tools.
- Low Maintenance: The simple design with minimal moving parts reduces the need for frequent maintenance, lowering long-term operational costs.
- Versatile Applications: Suitable for use in water treatment plants, HVAC systems, food and beverage processing, pharmaceutical industries, and general industrial piping for on/off and throttling services.
Below is a summary of typical technical specifications for our standard offering. Customizations are available upon request.
| Parameter | Specification / Value |
|---|---|
| Design Standard | DIN 3202 |
| Body Material | Stainless Steel AISI 304 (CF8) |
| Disc Material | Stainless Steel 304 / 316 (Optional) |
| Stem Material | Stainless Steel |
| Seat Material | EPDM (Standard), NBR, Viton, PTFE (Optional) |
| Nominal Diameter (DN) | 50, 65, 80, 100, 125, 150, 200, 250, 300 mm |
| Pressure Rating (PN) | 10 bar & 16 bar |
| Connection Type | Wafer Type (DIN / ANSI Flange Compatible) |
| Operation Type | Lever Operated (Lockable Handle Optional) |
| Temperature Range | -20°C to +120°C (Depends on seat material) |
| Face-to-Face Dimension | Per DIN 3202 Standard |
Choosing our butterfly valve brings several advantages to your operations. The 304 stainless steel construction provides superior resistance to rust and corrosion, ensuring reliability even in humid or mildly corrosive environments. The lever operation enhances safety and operational efficiency by allowing immediate manual control. Furthermore, the wafer design simplifies installation and reduces inventory costs, as it uses the existing pipeline flanges for mounting.
Backed by our ISO9001 certified manufacturing processes, Shanghai Zhibang guarantees consistent product quality and performance. With an annual export value reflecting strong global trust, we serve major markets worldwide, including North America, Europe, Asia, and Africa. Our strategic location with multiple shipment ports (Shanghai, Guangzhou, Hong Kong, Beijing) ensures flexible and efficient logistics. Our years of experience since 2016 have honed our expertise in delivering valves that meet international standards and specific client needs. We invite you to experience the durability and efficiency of our DIN 3202 Stainless Steel Butterfly Valves. Contact us today to discuss your project requirements or to request a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What is the main advantage of a wafer-type butterfly valve over a lug-type?
A: The wafer-type design is lighter, more compact, and typically more cost-effective. It is installed between two flanges using bolts that pass through both flanges, making it ideal for systems where the valve does not need to bear the pipeline weight or act as an end-of-line closure. -
Q: Is this valve suitable for throttling flow control?
A: While primarily designed for on/off service, the lever-operated butterfly valve can be used for basic throttling by partially opening the lever. For precise flow control, especially in larger sizes or higher pressures, a gear-operated valve is recommended. -
Q: Can I use this valve with drinking water or food-grade applications?
A: Yes, when configured with appropriate seat materials like EPDM or PTFE, which are compliant with relevant food safety standards. The 304 stainless steel body is also suitable for such applications. Please specify your requirement for certifications. -
Q: What is the temperature limit for the standard EPDM seat?
A: The standard EPDM seat is generally suitable for a temperature range from approximately -20°C to +120°C. For higher or lower temperatures, alternative seat materials like PTFE or Viton can be selected. -
Q: Are the valves compatible with ANSI flanges?
A: Yes, our DIN 3202 wafer butterfly valves are designed to fit between standard DIN flanges, which are dimensionally compatible with many ANSI flanges within the same pressure class (PN10/16 corresponds to ANSI Class 150). It is advisable to check flange face dimensions for specific projects. -
Q: Do you offer valves with a locking feature on the lever?
A: Yes, we can provide lever handles with a locking hole or a padlockable feature as an optional accessory. This is useful for safety and preventing unauthorized operation. -
Q: What is the lead time for an order of DN100, PN16 valves?
A: Lead times vary based on order quantity and current production schedule. Standard sizes are often available from stock or have shorter lead times. Please contact our sales team with your specific quantity for an accurate delivery estimate. -
Q: Can you provide valves with different stem or disc materials, like 316 stainless steel?
A: Absolutely. Customization is a key part of our service. We can supply valves with 316 stainless steel discs/stems for enhanced corrosion resistance, or other materials upon request. Please inquire for details and pricing.
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