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Help CenterDIN 3352 Ductile Iron Gate Valve, Flanged End, PN16 Pressure Rating
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As a professional valve manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance industrial valves for global markets. Our DIN 3352 Ductile Iron Gate Valve with Flanged End and PN16 Pressure Rating is engineered for reliable shut-off in demanding pipeline applications. Designed to meet international standards, this valve offers durability, ease of operation, and a long service life, making it a trusted component in fluid control systems worldwide.
This gate valve is constructed to provide a tight seal and minimal pressure drop when fully open. Its robust design ensures performance across various industries, from water distribution and wastewater treatment to oil & gas and general industrial processes. We combine quality materials with precise manufacturing under our ISO9001-certified processes to deliver a product that meets the expectations of our discerning clients in over a dozen global markets.
Key Features and Technical Advantages:
- Superior Material Construction: The valve body and bonnet are made from ductile iron (GGG-40/50), offering excellent strength, impact resistance, and pressure-bearing capacity compared to standard cast iron.
- Standard-Compliant Design: Manufactured in strict accordance with DIN 3352 standards, ensuring dimensional compatibility and performance reliability within European and international piping systems.
- Flanged Connection: Features flanged ends (e.g., DIN PN16 flange standard) for secure, leak-proof bolting to pipelines, facilitating easy installation and maintenance.
- Reliable Sealing System: Utilizes a flexible wedge or solid wedge design (depending on model) paired with resilient seat rings (options like EPDM or NBR) or metal seats for a bubble-tight shut-off, suitable for a wide range of media.
- Corrosion & Wear Resistance: The stainless steel stem provides high resistance to corrosion and galling, while internal components can be tailored with various coatings or materials to handle abrasive or corrosive fluids.
- Easy Operation & Maintenance: The handwheel-operated design allows for smooth opening and closing. A rising stem design provides clear visual indication of the valve position. The bolted bonnet permits straightforward access for inspection and servicing.
- Versatile Application Scope: Suitable for on/off service in water supply, fire protection, irrigation, chemical processing, power generation, shipbuilding, and other industrial sectors where PN16 pressure rating is required.
Detailed Technical Specifications:
| Parameter | Specification / Value |
| Product Standard | DIN 3352 |
| Body & Bonnet Material | Ductile Iron (GGG-40/50) |
| Pressure Rating | PN16 (16 bar) |
| End Connection | Flanged (DIN PN16 Flange Drilling) |
| Stem Material | Stainless Steel (SS304/SS416 common) |
| Seat / Seal Material | Optional: EPDM, NBR, Viton, Metal (e.g., Stainless Steel) |
| Operation | Handwheel (Rising Stem) |
| Temperature Range | Depends on seat material (e.g., -10°C to 120°C for EPDM) |
| Face-to-Face Dimension | As per DIN 3352 series |
| Coating / Finish | Standard epoxy coating available; customizable upon request |
Benefits for Your Operations:
- Enhanced System Reliability: The robust ductile iron construction and precise manufacturing minimize the risk of failure, ensuring uninterrupted process flow.
- Reduced Lifetime Costs: Durable materials and a service-friendly design lower maintenance frequency and replacement costs over the valve's lifespan.
- Broad Compatibility: Compliance with DIN standards makes this valve a suitable choice for integration into existing European and international pipeline projects.
- Operational Safety: The PN16 rating and secure flanged connection provide confidence in handling system pressures up to 16 bar safely.
- Customization Potential: We offer options for seat materials, coatings, and specific sizes to match your unique media and environmental conditions.
Backed by our ISO9001 certification, every valve undergoes rigorous quality checks. With an annual export value ranging between US$1 Million to US$1.5 Million, Shanghai Zhibang has established a strong reputation for delivering quality valves to diverse markets including North America, Europe, Southeast Asia, Africa, and the Middle East. Our products are shipped from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring efficient logistics. Choose our DIN 3352 Ductile Iron Gate Valve for a balance of performance, durability, and value. Contact us today to discuss your project requirements or request a detailed quotation.
Frequently Asked Questions (FAQ)
Q1: What is the main difference between ductile iron and cast iron for gate valves?
A1: Ductile iron (also known as nodular iron) has superior tensile strength, impact resistance, and elongation compared to gray cast iron. This makes our DIN 3352 valve more durable and suitable for higher pressure (PN16) and potentially stressful applications, reducing the risk of cracking.
Q2: Is this valve suitable for potable water applications?
A2: Yes, it can be. When ordered with appropriate, certified seat materials like EPDM that comply with drinking water standards (e.g., KTW, WRAS), this valve is suitable for potable water systems. Please specify this requirement during inquiry.
Q3: Can I get this valve with a different flange standard, like ANSI?
A3: This specific model is designed per DIN 3352 with DIN PN16 flanges. However, as a manufacturer, we can produce gate valves to various standards. Please inquire about valves with ANSI flanges or other specifications; customization is available.
Q4: What is the typical lead time for an order?
A4: Lead time depends on order quantity and specific configuration (size, seat material). For standard sizes and configurations, we often have stock or shorter production cycles. We provide accurate lead time estimates upon receipt of your detailed inquiry.
Q5: Does the valve come with any operational accessories?
A5: The standard valve is supplied with a handwheel. Optional accessories like a locking device, position indicator, or gearbox for larger sizes can be provided. Please indicate your accessory needs when placing an order.
Q6: How do I maintain this gate valve?
A6: Maintenance is straightforward. Periodically check for external leaks and operate the valve through its full cycle to prevent seizing. For major service, the bolted bonnet allows for internal inspection and replacement of seals/wedge without removing the entire valve body from the line, given proper isolation.
Q7: What is the maximum temperature this valve can handle?
A7: The maximum temperature is primarily determined by the seat material. With standard EPDM seats, the valve is typically rated for up to 120°C. For higher temperatures, metal seated versions or alternative elastomers like Viton can be selected. Confirm your media temperature during selection.
Q8: Do you provide documentation like test certificates?
A8: Yes. We can provide standard documentation including material certificates and factory test reports (e.g., shell test, seat test) as per our ISO9001 quality system. Specific certified reports may be available upon request.
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