Contact Platform Support
Help Center
Home > Industrial Equipment & Components > Valve > Butterfly Valve > Corrosion-Resistant Marine Butterfly Valve for Offshore Platform Seawater Intake
Corrosion-Resistant Marine Butterfly Valve for Offshore Platform Seawater Intake
Product Spotlights
Engineered for harsh offshore environments, this marine butterfly valve features corrosion-resistant alloys (Duplex/Super Duplex) and resilient seats for reliable seawater handling. It offers bubble-tight sealing, versatile actuation (manual/geared/electric/pneumatic), and a compact design for easy installation. Manufactured under ISO 9001, it ensures long service life, reduced maintenance, and enhanced safety for platform seawater intake, cooling, and ballast systems.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Application:
Other, Seawater intake
Standard:
ISO 9001 Quality Management System
Material:
Corrosion-resistant alloys (e.g., Duplex, Super Duplex)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
Related Products
-
PN10/PN16 Marine Rubber Lined Butterfly Valve, Ductile Iron Body, 316 Stainless Steel StemNegotiableMOQ: 1 Unit -
Standard Compliant Marine Butterfly Valve With Technical Support and Spare Parts AvailableNegotiableMOQ: 1 Unit
-
Fire-Safe Design Marine Butterfly Valve With Rubber Lining and Metal Seat BackupNegotiableMOQ: 1 Unit
-
Marine Desulfurization Tower Butterfly Valve With Extended 2-Year Warranty on Seal AssemblyNegotiableMOQ: 1 Unit
-
DN50-DN600 Marine Pneumatic Actuated Butterfly Valve With Explosion Proof OptionNegotiableMOQ: 1 Unit
Application
Other, Seawater intake
Standard
ISO 9001 Quality Management System
Material
Corrosion-resistant alloys (e.g., Duplex, Super Duplex)
Connection Type
Wafer, Lug, or Flanged
Seat Material
PTFE, EPDM, or other resilient materials
Actuation Type
Manual lever, Gearbox, Electric, Pneumatic
Size Range
DN50 to DN600 (2“ to 24“)
Pressure Rating
PN10/16, ANSI 150
Corrosion Resistance
Designed for harsh marine/offshore environments
As a professional manufacturer with ISO 9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in engineering robust fluid control solutions for demanding offshore and marine applications. Our Corrosion-Resistant Marine Butterfly Valve is specifically designed for critical seawater intake systems on offshore platforms, where reliability and longevity are paramount. This valve represents our commitment to providing high-performance, durable products that withstand the harshest marine environments, ensuring operational continuity and safety for your offshore assets.
This butterfly valve is engineered to deliver exceptional sealing performance and corrosion resistance, crucial for handling seawater, ballast water, and other corrosive media. Its design prioritizes low maintenance, ease of operation, and long service life, directly translating into reduced downtime and lower total cost of ownership for platform operators.
Core Features & Technical Advantages:
- Superior Corrosion Resistance: Constructed from advanced alloys such as Duplex or Super Duplex stainless steel, the valve body and disc are inherently resistant to pitting, crevice corrosion, and stress corrosion cracking caused by chlorides in seawater.
- Robust Sealing System: Features a resilient seat (PTFE, EPDM) that ensures bubble-tight shut-off and excellent sealing integrity even after prolonged cycling, preventing seawater ingress into unwanted areas.
- Versatile Actuation Options: Available with manual lever, gearbox, electric actuator, or pneumatic actuator configurations, providing flexibility for remote, automated, or local control based on your platform's specific requirements.
- Optimized Flow Characteristics: The disc design minimizes pressure drop and turbulence, ensuring efficient seawater flow for cooling, firefighting, or process systems, which contributes to overall platform energy efficiency.
- Compact & Lightweight Design: Compared to gate valves, the butterfly valve offers a significantly smaller footprint and lower weight, simplifying installation, reducing structural load, and saving valuable space on the platform.
- Easy Maintenance & Operation: The simple quarter-turn operation allows for quick opening and closing. The design facilitates easy inspection and seat replacement if necessary, minimizing maintenance time and costs.
Detailed Technical Specifications:
| Parameter | Specification / Range |
|---|---|
| Valve Type | Centric Butterfly Valve |
| Size Range (Nominal Diameter) | DN50 to DN600 (2" to 24") |
| Pressure Rating | PN10, PN16 / ANSI 150 |
| Connection Types | Wafer, Lug, Flanged (RF, RTJ) |
| Body & Disc Material | Duplex 2205, Super Duplex 2507, 316L SS |
| Seat Material | PTFE, EPDM, HNBR, Viton (Customizable) |
| Stem Material | Stainless Steel (AISI 416/431), with optional coatings |
| Operating Temperature | -20°C to +150°C (Depends on seat material) |
| Standards | API 609, MSS SP-67, ISO 5752 |
Benefits for Offshore Platform Operations:
- Enhanced System Reliability: Prevents unexpected failures in seawater intake lines, protecting critical cooling and firefighting systems.
- Reduced Lifecycle Costs: High corrosion resistance and durable construction lead to fewer replacements and lower maintenance expenses over the valve's lifespan.
- Operational Safety: Reliable sealing prevents leaks that could lead to environmental contamination or safety hazards on the platform.
- Global Compliance: Manufactured under an ISO 9001 certified quality management system, ensuring consistent product quality and traceability.
Frequently Asked Questions (FAQ):
-
Q: What makes this butterfly valve suitable for seawater intake applications?
A: Its key suitability lies in the use of corrosion-resistant alloy construction (like Duplex stainless steel) and compatible elastomer seats, which are specifically chosen to withstand the high chloride content, biological fouling, and abrasive particles commonly found in seawater. -
Q: Can this valve be used for both on/off and throttling service in seawater systems?
A: While primarily designed for reliable on/off isolation, the valve's disc profile allows for reasonable flow control in throttling applications. For precise modulation, specific disc designs and actuator packages are available upon request. -
Q: What are the main differences between Wafer and Lug type connections for this application?
A: A Wafer style is sandwiched between two pipeline flanges, suitable for bidirectional isolation. A Lug style has threaded inserts (lugs) allowing it to be bolted directly to a single flange, which is advantageous for end-of-line service or where one side needs to be disconnected. -
Q: How do I select the right seat material (PTFE vs. EPDM)?
A: PTFE offers excellent chemical resistance and a wider temperature range but is less elastic. EPDM provides good resilience and sealing at lower temperatures and is often preferred for its cost-effectiveness in standard seawater temperatures. Our engineers can advise based on your specific media and temperature. -
Q: Are electric or pneumatic actuators available for remote operation?
A: Yes. We offer a range of auxiliary actuation solutions compatible with this valve series, including electric and pneumatic actuators, to enable integration into your platform's Distributed Control System (DCS) for automated or remote operation. -
Q: What is the typical lead time for an order?
A: Lead times vary based on order quantity, valve size, material specifications, and actuation requirements. Standard configurations typically have shorter lead times. Please contact our sales team with your specific requirements for an accurate delivery schedule. -
Q: Do you provide material certificates and test reports?
A: Yes. As an ISO 9001 certified manufacturer, we can provide material test certificates (MTC) and relevant factory acceptance test reports (e.g., shell test, seat test) upon request to support your project documentation and quality assurance processes. -
Q: Can you customize valves to meet specific project standards or dimensions?
A> Absolutely. We have extensive experience in providing customized solutions, including non-standard sizes, special coatings, extended stems for insulation, and compliance with specific project specifications like NORSOK or other oil & gas standards.
Backed by our ISO 9001 certified manufacturing processes and a proven track record of exporting to major offshore markets across the globe—including North America, Europe, Southeast Asia, and the Middle East—Shanghai Zhibang Valve stands as a reliable partner for your critical marine valve needs. With an annual export value demonstrating our international reach and customer trust, we combine rigorous quality control with competitive pricing.
Choosing our Corrosion-Resistant Marine Butterfly Valve means investing in a component engineered for durability and performance in the most challenging offshore environments. It directly contributes to the safety, efficiency, and cost-effectiveness of your platform's seawater management systems.
We invite you to contact us with your project specifications or to request a detailed quotation. Let our expertise in marine valves provide you with a solution that ensures long-term, trouble-free operation for your offshore seawater intake applications.
Send Inquiry to This Supplier
* Email
Want the best price?
Post an RFQ now!
1Yr
Business Type
Manufacturer
Year Established
2016
Annual Export Value
US$1 Million - US$1.5 Million
Product Certifications
ISO9001
You May Also Like
-
Marine Pneumatic Butterfly Valve for Bilge Pump Control SystemsNegotiableMOQ: 1 Unit
-
Fast 90° Operation Pneumatic Actuated Butterfly Valve, PN1.6MPa StandardNegotiableMOQ: 1 Unit
-
Marine Pneumatic Actuated Butterfly Valve With Mill Test ReportNegotiableMOQ: 1 Unit
-
Marine Explosion Proof Electric Butterfly Valve With IP66/IP67 Protection RatingNegotiableMOQ: 1 Unit
-
Marine Explosion Proof Electric Butterfly Valve for Hazardous Zone Pump ControlNegotiableMOQ: 1 Unit
-
Marine Pneumatic Butterfly Valve Compliant With DNV LR StandardsNegotiableMOQ: 1 Unit
-
Stainless Steel Marine Explosion Proof Electric Butterfly Valve, DN50 to DN600NegotiableMOQ: 1 Unit
-
Double Acting Pneumatic Actuator Butterfly Valve, DN80-DN300NegotiableMOQ: 1 Unit
-
Marine Explosion Proof Electric Butterfly Valve With ATEX Certification and 380V Power SupplyNegotiableMOQ: 1 Unit
-
Marine Explosion Proof Electric Butterfly Valve for Offshore Platform Seawater SystemsNegotiableMOQ: 1 Unit
