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DIN 3202 Marine Butterfly Valve With PTFE Seat for High Corrosion Resistance
Product Spotlights
Engineered for harsh marine and corrosive environments, this DIN 3202 butterfly valve features a PTFE seat for exceptional chemical resistance and a bubble-tight seal. Its robust construction, compliance with international standards, and versatile actuation options ensure reliable, low-maintenance performance in seawater systems, offshore platforms, and chemical processing. Backed by ISO9001 certification, it delivers durability and operational safety.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Standard:
DIN 3202
Application:
Other, Marine
Seat Material:
PTFE (Polytetrafluoroethylene)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Standard
DIN 3202
Application
Other, Marine
Seat Material
PTFE (Polytetrafluoroethylene)
Valve Type
Butterfly Valve
Body Material
Cast Iron, Ductile Iron, Stainless Steel
Connection Type
Wafer, Lug
Operating Pressure
PN10, PN16, PN25
Temperature Range
-20°C to +180°C
Actuation Type
Manual Lever, Gearbox, Pneumatic, Electric
As a specialized manufacturer with a strong export presence, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance DIN 3202 Marine Butterfly Valve with PTFE Seat. Designed for the demanding conditions of marine and offshore applications, this valve is engineered to deliver reliable shut-off and flow control where corrosion resistance is paramount. Our years of experience since 2016 and commitment to ISO9001 quality standards ensure that every valve meets rigorous performance criteria for global markets, including North America, Southeast Asia, and Europe. This product embodies our dedication to providing durable, maintenance-friendly solutions for critical industrial fluid handling.
Core Product Features & Technical Advantages:
- Superior Corrosion Resistance: The core of this valve's durability is its PTFE (Polytetrafluoroethylene) seat. PTFE is renowned for its exceptional chemical inertness, resisting attack from a vast range of aggressive media including seawater, acids, alkalis, and solvents. This makes the valve ideal for chemical processing, desalination plants, ballast systems, and offshore platforms.
- Robust Construction & Standards Compliance: Manufactured to the DIN 3202 standard, this butterfly valve ensures dimensional accuracy, interchangeability, and compatibility with European piping systems. The valve body is available in various materials to suit specific service conditions.
- Excellent Sealing Performance: The combination of the PTFE seat and a precision-machined disc ensures a bubble-tight seal even after prolonged cycling, minimizing leakage and ensuring process integrity.
- Low Maintenance & Long Service Life: The PTFE seat material exhibits low friction and excellent wear characteristics, reducing operational torque and extending the valve's service life with minimal maintenance requirements.
- Versatile Actuation Options: To suit diverse operational needs, the valve can be fitted with various actuators, providing flexibility for manual or automated control systems.
Detailed Technical Specifications:
| Parameter | Specification / Option |
|---|---|
| Design Standard | DIN 3202 |
| Body Material | Cast Iron (GG25), Ductile Iron (GGG40), Stainless Steel (CF8/CF8M) |
| Disc Material | Stainless Steel (SS304, SS316), Nylon Coated, Epoxy Coated |
| Seat Material | PTFE (Standard), EPDM, Viton (Optional) |
| Connection Type | Wafer, Lug |
| Nominal Pressure (PN) | PN10, PN16, PN25 |
| Nominal Diameter (DN) | DN50 to DN600 (2" to 24") |
| Temperature Range | -20°C to +180°C (with PTFE seat) |
| Operating Method | Manual Lever, Worm Gear Operator, Pneumatic Actuator, Electric Actuator |
Application Scenarios & Customer Benefits:
- Marine & Shipbuilding: Perfect for seawater cooling lines, ballast systems, fire mains, and tank venting. Provides reliable service in salt-laden environments, reducing downtime and replacement costs.
- Offshore Oil & Gas: Handles produced water, injection lines, and utility services on platforms and FPSOs. Its corrosion resistance is critical for safety and operational continuity.
- Chemical & Process Industries: Suitable for handling a wide spectrum of corrosive chemicals, acids, and bases, ensuring process safety and protecting valuable equipment.
- Power Generation: Used in cooling water systems and auxiliary services in coastal power plants, where seawater or brackish water is utilized.
- Water Treatment & Desalination: Ideal for pre-treatment, high-pressure reverse osmosis (RO) lines, and brine handling due to its compatibility with various chemicals.
Backed by our ISO9001-certified manufacturing processes and an annual export value reflecting strong global trust, Shanghai Zhibang's Marine Butterfly Valve is a proven solution. We ship efficiently from major ports like Shanghai, Guangzhou, and Hong Kong, ensuring timely delivery to your project site anywhere in the world. Choosing our valve means investing in a product that combines robust engineering, superior materials, and dependable performance to protect your systems and optimize your operations. Contact us today to discuss your specific requirements and experience the quality that has made us a reliable partner for industries worldwide.
Frequently Asked Questions (FAQ):
-
Q: What makes PTFE the preferred seat material for marine applications?
A: PTFE offers outstanding chemical resistance to seawater, chlorides, and a vast array of other corrosive agents. It also provides excellent sealing properties, low friction, and a wide temperature range, making it highly durable in harsh marine environments. -
Q: Is this valve suitable for both on/off service and throttling control?
A: While primarily designed for reliable on/off isolation, this butterfly valve can be used for moderate throttling applications. For precise flow control, especially with actuators, it is recommended to consult our technical team for specific guidance based on your process parameters. -
Q: Can you provide valves with different end connections besides wafer or lug?
A: Yes. While wafer and lug are standard per DIN 3202, we can offer valves with flanged ends according to other standards like ANSI, JIS, or GB upon request. Customization options are available. -
Q: What is the lead time for standard sizes of this valve?
A: For standard DN sizes and material configurations, we typically maintain stock or have short production cycles. Lead times can range from 15 to 45 days depending on quantity and specific requirements. Exact timelines will be confirmed with your order. -
Q: Do you offer a warranty on your marine butterfly valves?
A: Yes, we provide a standard warranty against defects in material and workmanship. The specific warranty period and terms are provided with the commercial proforma invoice and are based on standard industry practices. -
Q: Are these valves compatible with automated control systems?
A: Absolutely. The valve is designed to be easily fitted with pneumatic (double-acting or spring-return) or electric actuators. We can supply the complete assembly – valve with actuator, positioners, and limit switches – as a ready-to-install package. -
Q: How does the DIN 3202 standard benefit me as an end-user?
A: Adherence to DIN 3202 ensures dimensional consistency, flange face-to-face lengths, and pressure ratings. This guarantees easy installation, interchangeability with other compliant valves, and reliable performance within its specified pressure class. -
Q: What information do you need to provide an accurate quotation?
A: To provide a precise quote and recommendation, please share the following: Nominal Size (DN), Pressure Rating (PN), Body/Disc/Seat Material preferences, Connection Type, Actuation Method (manual, pneumatic, electric), Operating Medium, and Temperature/Pressure conditions.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
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