Contact Platform Support
Help Center
Home > Industrial Equipment & Components > Valve > Ball Valve > Marine Ball Valve With Reinforced PTFE Seats for Ship Seawater Service
Marine Ball Valve With Reinforced PTFE Seats for Ship Seawater Service
Product Spotlights
Specifically engineered for ship seawater systems, this marine ball valve features reinforced PTFE seats for exceptional corrosion resistance and durable sealing. Available in sizes from DN15 to DN300 with various pressure ratings and end connections, it ensures reliable performance, low maintenance, and long service life in harsh marine environments. ISO9001 certified manufacturing supports consistent quality.
Negotiable
MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Carbon Steel Body, Reinforced PTFE Seats
Application:
Other, Ship Seawater Service
Standard:
ISO9001 Certified Manufacturing
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
Related Products
-
Two-Piece Bolted Body Marine Ball Valve for Easy Maintenance in Seawater SystemsNegotiableMOQ: 1 Unit -
Full Port Design Marine Ball Valve for Unrestricted Seawater Flow on ShipsNegotiableMOQ: 1 Unit
-
Marine Ball Valve With Extended Warranty and Comprehensive Mill Test Report ProvidedNegotiableMOQ: 1 Unit
-
DN15 to DN300 Marine Ball Valve for Seawater Piping, Pressure Rated PN1.0 to PN6.4 MPaNegotiableMOQ: 1 Unit
-
Ball Valve for Ship Deck Washdown and Ballast Seawater System IntegrationNegotiableMOQ: 1 Unit
Material
Other, Carbon Steel Body, Reinforced PTFE Seats
Application
Other, Ship Seawater Service
Standard
ISO9001 Certified Manufacturing
Size Range
DN15 to DN300 (1/2“ to 12“)
Connection Type
Flanged, Threaded, Socket Weld
Pressure Rating
Class 150 to Class 600
Seat Material
Reinforced PTFE (Polytetrafluoroethylene)
Operation
Manual, Gear Operated, Pneumatic Actuated
As a professional manufacturer established in 2016, Shanghai Zhibang Valve Manufacture Co., Ltd. specializes in producing high-performance valves for demanding marine applications. Our Marine Ball Valve with Reinforced PTFE Seats is engineered specifically for reliable and durable service in ship seawater systems. Designed to withstand corrosive seawater environments, this valve offers superior sealing performance, ease of operation, and long-term reliability, making it a trusted component for shipbuilders, repair yards, and marine equipment suppliers worldwide.
Core Product Features & Technical Specifications:
- Corrosion-Resistant Construction: The valve body is typically crafted from robust carbon steel or other seawater-compatible alloys, while the critical sealing element utilizes reinforced PTFE (Polytetrafluoroethylene) seats. PTFE is renowned for its exceptional chemical inertness, low friction, and resistance to seawater corrosion, ensuring a tight seal and smooth operation even after prolonged exposure.
- Enhanced Seat Durability: The "reinforced" PTFE seats are compounded with fillers to improve mechanical strength, wear resistance, and creep resistance compared to pure PTFE. This reinforcement is crucial for handling the pressure fluctuations and potential abrasives in seawater service, extending service life.
- Full Port or Standard Port Design: Available in configurations to minimize flow resistance (full port) or for general purposes (standard port), allowing selection based on specific system pressure drop requirements.
-
Versatile End Connections: To facilitate integration into various piping systems, the valves come with different end connections:
- Flanged ends (according to common marine standards)
- Threaded ends (NPT, BSP)
- Socket weld ends
-
Multiple Operation Methods: Designed for practical use in marine environments:
- Manual Operation: Standard handwheel for direct operation.
- Gear Operation: Gearbox for easier operation of larger size valves under higher pressures.
- Actuated Operation: Optional pneumatic, electric, or hydraulic actuators for remote or automated control, compatible with ship control systems.
- Fire-Safe Design Consideration: Many models incorporate design features that aim to maintain some sealing capability in emergency high-temperature scenarios, an important aspect for marine safety.
- Blow-Out Proof Stem: The stem design prevents it from being ejected under pressure, enhancing operational safety.
Key Technical Parameters Table:
| Parameter | Details / Range |
|---|---|
| Size Range (Nominal Diameter) | DN15 (1/2") to DN300 (12") |
| Pressure Rating (Class) | Class 150, Class 300, Class 600 (common) |
| Body Material (Common) | Carbon Steel WCB, Stainless Steel CF8M, Duplex Steel |
| Seat & Seal Material | Reinforced PTFE (Standard), Optional other polymers |
| Temperature Range (Seat Dependent) | -20°C to +200°C (for PTFE seats) |
| End Connection Standards | ANSI Flanges, DIN Flanges, JIS Flanges, Threads |
| Operation | Manual, Gear Operated, Actuated (Optional) |
Benefits for Your Marine Projects:
- Long Service Life in Seawater: The combination of a corrosion-resistant body and reinforced PTFE seats significantly reduces maintenance frequency and replacement costs caused by seawater corrosion and wear.
- Reliable Sealing Performance: PTFE seats provide excellent sealing integrity against seawater, preventing leaks that could lead to system inefficiency or safety hazards.
- Low Operating Torque & Easy Maintenance: The low friction of PTFE ensures smooth valve operation, reducing operator effort. The simple design of ball valves also facilitates inspection and seat replacement if necessary.
- System Compatibility & Flexibility: With various sizes, pressure ratings, end connections, and operation methods available, these valves can be tailored to fit into new shipbuilding projects or retrofit existing seawater systems (cooling, ballast, firefighting, etc.).
- Cost-Effective Solution: Offering a balance of performance, durability, and price, these valves provide a reliable solution without the extreme cost of some exotic material valves, suitable for widespread use on vessels.
Shanghai Zhibang Valve operates under an ISO9001 certified quality management system, ensuring consistent manufacturing standards and product reliability. With an annual export value ranging between US$1 Million to US$1.5 Million, we have established a strong supply chain and export experience, serving major markets across North America, South America, Europe, Asia, Africa, and Oceania. Our products are shipped from key ports like Shanghai, Guangzhou, Hongkong, and Beijing, ensuring efficient logistics. This global footprint and quality commitment mean you are sourcing from a proven manufacturer capable of meeting the demands of international marine projects. Choose our Marine Ball Valve for a dependable, corrosion-resistant, and long-lasting solution for your ship's seawater service needs. Contact us today for detailed specifications, pricing, or to discuss custom requirements.
Frequently Asked Questions (FAQ):
-
Q: Why is reinforced PTFE specifically chosen for the seats in seawater service?
A: PTFE is inherently highly resistant to almost all chemicals, including seawater. However, pure PTFE can be prone to cold flow (creep) under constant pressure. Reinforcement with materials like glass or carbon fibers enhances its mechanical strength, reduces creep, and improves wear resistance, making it more durable for long-term, pressurized seawater applications. -
Q: Can this valve be used for other marine fluids besides seawater?
A: Yes, its corrosion-resistant design and PTFE seats make it suitable for a range of marine fluids, such as bilge water, cooling water, ballast water, and some low-pressure fuel oils, provided the temperature and pressure ratings are compatible. -
Q: What are the common body material options for seawater service?
A: Carbon steel (with appropriate corrosion protection like coatings) is common for cost-effectiveness. Stainless steel (e.g., 316/316L) offers higher corrosion resistance. For more aggressive environments, duplex stainless steels or other specialized alloys are available upon request. -
Q: Is a fire-safe version available?
A: Many marine applications require fire-safe valves. We offer models with fire-safe design features, which typically include secondary metal sealing elements that can function if the primary PTFE seat is compromised by high heat. Please specify this requirement when inquiring. -
Q: What actuation options are available for remote control?
A: We can supply valves prepared for the installation of pneumatic (air), electric, or hydraulic actuators. The valve will have a mounting bracket and modified stem to interface with the actuator, allowing integration into automated ship control systems. -
Q: How does the gear operator benefit the use of this valve?
A: For larger diameter valves (e.g., above DN100) or higher pressure systems, the operating torque can be high. A gear operator reduces the input force required by the user, making operation safer and easier, which is particularly useful in marine environments. -
Q: Are your valves compliant with specific marine standards?
A> Our manufacturing process is ISO9001 certified, ensuring quality control. The valves are produced to meet common industrial and marine valve standards for dimensions, materials, and pressure ratings (like ANSI, DIN, JIS). For specific ship class society certifications (like ABS, DNV, LR), please contact us as requirements may involve additional documentation or testing. -
Q: What is the typical delivery time for standard sizes?
A> For standard sizes and specifications, we generally maintain stock or can produce with a lead time of several weeks. Exact delivery times depend on order quantity, specific configuration, and current production schedule. We provide estimates upon order confirmation.
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
-
Fire-Safe Design Marine Ball Valve Compliant With Shipboard Seawater System StandardsNegotiableMOQ: 1 Unit
-
Marine Ball Valve for Critical Seawater Cooling and Bilge Pump Applications on VesselsNegotiableMOQ: 1 Unit
-
Stainless Steel Marine Ball Valve for Ship Fuel Oil Systems, DN50-DN200, PN10-PN40 FlangedNegotiableMOQ: 1 Unit
-
316 Stainless Steel Marine Ball Valve, Full Port Design for Ship Fuel Oil Piping, Fire Safe API 607NegotiableMOQ: 1 Unit
-
Ball Valve for Ship Seawater Systems Supported by On-Site Technical GuidanceNegotiableMOQ: 1 Unit
-
Forged Steel Marine Ball Valve for High-Pressure Fuel Oil Lines, DN25-DN80, PN64-PN100NegotiableMOQ: 1 Unit
-
Carbon Steel Ball Valve for Marine Fuel Oil Transfer, DN15-DN150, PN16-PN64 Threaded ConnectionNegotiableMOQ: 1 Unit
-
Fuel Oil System Ball Valve With Lockable Handle, Marine Grade, DN20-DN100, PN16-PN40NegotiableMOQ: 1 Unit
-
Three-Piece Marine Ball Valve for Ship Fuel Oil System Maintenance, DN15-DN50, PN16-PN40NegotiableMOQ: 1 Unit
-
Marine Fuel Oil Ball Valve With 12-Month Warranty and Mill Test Report ProvidedNegotiableMOQ: 1 Unit
