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Help CenterDIN 3202 Standard Wafer Butterfly Valve for Shipboard Piping Systems
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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 fluid control solutions for demanding industrial applications. Our DIN 3202 Standard Wafer Butterfly Valve is engineered specifically for the rigorous requirements of shipboard piping systems, offering a perfect blend of durability, performance, and space-saving design. With years of experience since our establishment in 2016 and a strong export footprint across global markets, we understand the critical need for valves that ensure safety and operational efficiency in marine environments. This valve represents our commitment to delivering high-quality components that meet international standards and withstand the challenges of sea service.
The core value of this valve lies in its adherence to the DIN 3202 standard, which defines dimensions, pressure ratings, and performance criteria, ensuring compatibility and interchangeability within European-standard piping networks commonly found in shipbuilding. Its wafer-style design allows for quick installation between pipeline flanges, significantly reducing weight and space requirements compared to lug or flanged-end valves—a crucial advantage in the confined spaces of a vessel.
Key Product Features & Technical Advantages:
- Standard-Compliant Design: Manufactured strictly according to DIN 3202 specifications, guaranteeing fit and performance in standardized shipboard systems.
- Compact & Lightweight Wafer Construction: The valve body fits snugly between two pipeline flanges, secured by longer bolts. This design minimizes the valve's weight and axial length, leading to easier handling and installation, reduced structural load, and material cost savings.
- Superior Sealing Performance: Equipped with a resilient seat (options include EPDM, NBR, or PTFE) that provides excellent bubble-tight shut-off. The seat is either bonded to the body or designed as a replaceable cartridge, extending service life and simplifying maintenance.
- Corrosion-Resistant Materials: The disc is typically available in coated cast iron, ductile iron, or stainless steel (304/316) to resist corrosion from seawater, bilge water, ballast water, and other marine fluids.
- Versatile Actuation Options: The valve can be operated manually via a lever, gearbox, or fitted with pneumatic or electric actuators for remote and automated control, integrating seamlessly into modern ship automation systems.
- Bi-Directional Flow Capability: Suitable for flow in either direction, offering flexibility in piping layout design.
Technical Specifications Table:
| Parameter | Specification / Options |
|---|---|
| Design Standard | DIN 3202 |
| Valve Type | Wafer Butterfly Valve |
| Size Range | DN40 to DN600 (1.5" to 24") and larger, available upon request |
| Pressure Rating | PN10, PN16 (Standard), PN25 and higher optional |
| Body Material | Cast Iron (GG25), Ductile Iron (GGG40), Stainless Steel (CF8/CF8M) |
| Disc Material | Coated Cast Iron, Stainless Steel (304, 316), Aluminum Bronze |
| Seat Material | EPDM, NBR, Viton, PTFE, or other elastomers per request |
| Operating Temperature | -10°C to +120°C (for EPDM), wider ranges with other seat materials |
| Connection | Wafer type, fits between DIN standard flanges |
| Operation | Lever, Gear Operator, Pneumatic Actuator, Electric Actuator |
Benefits for Your Shipboard Application:
- Enhanced System Reliability: The robust construction and marine-grade materials ensure long-term, leak-free operation in critical systems like cooling water, fuel oil, ballast, bilge, and fire-fighting lines.
- Cost-Effective Solution: Lower initial investment compared to gate or globe valves, coupled with minimal maintenance requirements, results in a favorable total cost of ownership.
- Easy Installation & Maintenance: The wafer design simplifies installation between existing flanges. The seat is often field-replaceable without removing the valve body from the line, drastically reducing downtime.
- Optimal Flow Control: Provides excellent throttling capabilities and low-pressure drop when fully open, contributing to energy efficiency in pumping systems.
Backed by our ISO9001 certification and an annual export value consistently between US$1 Million and US$1.5 Million, Shanghai Zhibang has proven its capability to deliver quality valves to a diverse global clientele, including markets in North America, Europe, Asia, and beyond. Our strategic location with multiple shipment ports (Shanghai, Guangzhou, Hong Kong, Beijing) ensures flexible and efficient logistics. Choosing our DIN 3202 Wafer Butterfly Valve means partnering with a dedicated manufacturer that prioritizes product integrity, timely delivery, and technical support. For a valve solution that meets the strict demands of marine classification societies and ensures the smooth operation of your shipboard piping, contact us today for a detailed quotation or technical consultation.
Frequently Asked Questions (FAQ)
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Q: What is the main advantage of a wafer-style butterfly valve over a lug-style for shipboard use?
A: The wafer design is significantly lighter and more compact. It installs between two flanges using longer through-bolts, reducing the overall weight and space required—a critical factor in marine applications where every kilogram and cubic centimeter matters for stability and layout. -
Q: Is this valve suitable for seawater service?
A: Yes, when configured with appropriate materials. We recommend a stainless steel (316) disc and an EPDM or PTFE seat for handling seawater, ballast water, and other corrosive marine fluids to ensure maximum service life. -
Q: Can this valve be used for both isolation and throttling (flow control) purposes?
A: Absolutely. While it provides excellent bubble-tight shut-off for isolation, its design also allows for precise flow modulation, making it suitable for applications requiring control of fluid rates. -
Q: What actuation methods are available?
A: The valve is highly versatile. It can be supplied with a simple manual lever, a geared handwheel for higher torque applications, or automated with pneumatic (on/off or modulating) and electric actuators for integration into control systems. -
Q: Are the valve seats replaceable?
A: In most of our designs, the resilient seat is field-replaceable. This feature allows for easy maintenance and repair without the need to remove the entire valve body from the pipeline, minimizing system downtime. -
Q: Do you provide documentation like test reports and material certificates?
A: As an ISO9001 certified manufacturer, we can provide standard documentation including material test reports and factory acceptance test reports upon request, ensuring full traceability and quality assurance. -
Q: What is the typical delivery lead time for these valves?
A: Lead times vary based on size, material specification, and order quantity. Standard configurations often have shorter lead times. Please contact our sales team with your specific requirements for an accurate delivery schedule. -
Q: Can you supply valves with different face-to-face dimensions if my system doesn't use DIN 3202?
A: Yes. While we specialize in DIN 3202, we also manufacture valves to other international standards like ISO, ANSI, JIS, etc. Customizations are available; please discuss your specific dimensional requirements with our engineers.
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