Contact Platform Support
Help CenterForged Brass Marine Ball Valve With Drain Valve, Suitable for Sea Water Service
Product Spotlights
Related Products
-
Manual Operation Marine Ball Valve With Drain Valve, Full Port Design for Low Flow ResistanceNegotiableMOQ: 1 Unit -
PN10 Pressure Rated Marine Ball Valve With Drain Valve, Flanged End ConnectionNegotiableMOQ: 1 Unit
-
Cast Steel Marine Trunnion Ball Valve for Large Bore Piping DN100-DN300, PN10 Pressure RatingNegotiableMOQ: 1 Unit
-
Large Bore Trunnion Ball Valve for Ship Main Seawater and Fuel Oil Lines, DN300NegotiableMOQ: 1 Unit
-
Large Bore Marine Trunnion Ball Valve With Blow-Proof Stem, DN150-DN300 RangeNegotiableMOQ: 1 Unit
As a dedicated manufacturer with a strong focus on marine fluid control solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our premium Forged Brass Marine Ball Valve with an integrated Drain Valve. Engineered specifically for the demanding conditions of sea water service, this valve represents a culmination of our expertise gained since 2016, serving global maritime markets from North America to Oceania. We understand that reliability in marine applications is non-negotiable, which is why this valve is designed to offer superior corrosion resistance, dependable shut-off, and convenient maintenance features, ensuring the smooth operation of your shipboard piping systems.
This valve is constructed from high-grade forged brass, a material chosen for its excellent resistance to saltwater corrosion and dezincification. The forging process enhances the metal's grain structure, resulting in a body that is stronger, denser, and more reliable than valves made from cast brass, especially under the vibration and pressure fluctuations common in marine environments. The integrated drain (or blowdown) valve is a critical feature, allowing for easy draining of the line for maintenance, winterization, or system checks without requiring additional fittings or disassembly of the main valve.
Key Technical Specifications & Features:
- Robust Construction: The valve body, ball, and stem are precision-forged from naval brass (UNS C46400) or similar alloys known for superior seawater corrosion resistance.
- Corrosion-Resistant Trim: All internal components are selected or coated to withstand aggressive media. Stem seals and seat materials are compatible with seawater.
- Bubble-Tight Sealing: Utilizes advanced seat designs, often PTFE or reinforced polymer, ensuring a reliable, long-lasting seal in both directions, critical for isolating sections of a marine system.
- Integrated Drain Port: Features a small auxiliary valve (typically a needle or ball type) threaded into the body cavity. This allows for safe and controlled draining of residual fluid trapped in the valve body after closure.
- Multiple Operation Options: Available with a standard lever handle for quick operation, a locking handle for safety, or a gear operator for larger sizes or high-torque applications.
- Versatile End Connections: Supplied with threaded ends (NPT, BSP) or flanged ends to suit various international piping standards found on vessels.
- Fire-Safe Design Available: Optional designs meet fire-safe requirements (API 607/API 6FA), where the seat can maintain a seal even if the primary soft seal is damaged by fire.
- Low Maintenance: Designed for easy in-line maintenance. The stem packing can often be adjusted or replaced under pressure, and the ball and seats are accessible for service.
Detailed Parameter Table:
| Parameter | Specification |
|---|---|
| Body Material | Forged Brass (UNS C46400 / CW712R) |
| Ball & Stem Material | Brass, Chrome Plated Brass, or Stainless Steel |
| Seat & Seal Material | PTFE, Reinforced PTFE, Nylon, PEEK (Optional) |
| Pressure Rating | PN16/PN25 (Class 150/300) @ 180°C Max |
| Temperature Range | -20°C to +180°C (Standard Seats) |
| Size Range | 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 4" |
| End Connection | Threaded (NPT, BSPT, BSPP), Socket Weld, Flanged (RF, FF) |
| Operation | Lever, Locking Lever, Gear Operator, Pneumatic/Hydraulic Actuator (Optional) |
| Drain Valve Type | Integral Needle Valve or Small Ball Valve |
| Drain Connection | Typically 1/4" or 3/8" Female Thread |
Benefits for Your Marine Operations:
- Enhanced System Safety: The drain valve prevents pressure buildup in isolated sections and allows for safe fluid removal, reducing hazards during maintenance.
- Reduced Downtime: Easy draining and maintenance features enable faster servicing and system checks, keeping your vessel operational.
- Long Service Life: The combination of forged brass construction and corrosion-resistant internals ensures durability against seawater, minimizing replacement frequency and costs.
- Global Compatibility: Manufactured to widely recognized standards (API, BS), our valves are suitable for integration into both new builds and retrofit projects worldwide.
- Leak Prevention: High-quality machining and sealing technology ensure bubble-tight shut-off, protecting sensitive equipment and preventing fluid loss.
Shanghai Zhibang's commitment to quality is backed by our ISO9001 certification, ensuring consistent manufacturing processes for every valve that leaves our facility. With an annual export value reflecting our global reach, we have successfully supplied durable marine valves to clients across six continents, from the shipyards of Eastern Asia to the fleets operating in Northern Europe. Our strategic location near major ports like Shanghai, Guangzhou, and Hong Kong facilitates efficient logistics, ensuring your orders are delivered reliably. When you choose this Forged Brass Marine Ball Valve, you are not just purchasing a component; you are investing in a reliable solution backed by a manufacturer dedicated to the marine industry's specific needs. Contact us today to discuss your project requirements or to request a sample.
Frequently Asked Questions (FAQ):
Q1: Why is forged brass preferred over cast brass for marine ball valves?
A1: Forging produces a denser, stronger grain structure with fewer inherent defects compared to casting. This results in superior mechanical strength, better resistance to vibration and pressure shock (common at sea), and enhanced integrity, making it more reliable for critical marine services.
Q2: What is the primary purpose of the integrated drain valve?
A2: The drain valve allows you to safely release and drain any fluid trapped in the valve body cavity after the main ball is closed. This is essential for maintenance, system isolation, preventing freezing in cold climates, and verifying the main valve's seal is tight.
Q3: Is this valve suitable for full seawater immersion or just seawater flowing through it?
A3: It is designed primarily for handling seawater as the internal process fluid. While the forged brass body offers excellent corrosion resistance, prolonged external immersion may require additional protective coatings or specific material grades, which can be discussed for custom orders.
Q4: Can this valve be used with other fluids besides seawater?
A4: Yes, depending on the seat and seal material selected. With compatible trim (e.g., PTFE seats, Viton seals), it can handle a range of oils, fuels, compressed air, and other non-aggressive chemicals. Please consult our technical team for specific media compatibility.
Q5: What are the available actuation options if manual operation is not desired?
A5> We offer optional pneumatic (air) or electric actuators for remote or automated operation. These can be fitted to provide on/off control as part of an automated shipboard system.
Q6: How do I determine the correct end connection for my existing piping?
A6: You will need to identify the thread standard (e.g., NPT common in the Americas, BSP common in Europe/Asia) and size. Providing details of your current fittings or piping specifications will allow us to supply the correctly configured valve.
Q7: Does the valve come with any documentation or certification?
A7> Each valve undergoes pressure testing. Standard documentation includes a test certificate. Material certificates (3.1 Mill Certificate) and specific type approvals for marine classification societies (e.g., ABS, DNV, LR) are available upon request.
Q8: What is the typical lead time for an order?
A8: Lead time varies based on order quantity, size, and configuration. Standard sizes and configurations often have shorter lead times. We recommend contacting our sales team with your specific requirements for an accurate delivery schedule.
Send Inquiry to This Supplier
You May Also Like
-
Full Port Trunnion Ball Valve for Marine Pipelines, DN250 Bore, Carbon Steel BodyNegotiableMOQ: 1 Unit
-
Gear Operated Trunnion Mounted Ball Valve for Marine Applications, DN200 Large Bore SizeNegotiableMOQ: 1 Unit
-
Large Bore Marine Trunnion Ball Valve Supplied With Mill Test Report and 2-Year WarrantyNegotiableMOQ: 1 Unit
-
Trunnion Mounted Ball Valve for High-Pressure Marine Systems, DN200 Large Bore, PN25 RatedNegotiableMOQ: 1 Unit
-
Trunnion Mounted Ball Valve for Marine Use, DN300 Large Bore, Compliant With ABS and DNV StandardsNegotiableMOQ: 1 Unit
-
Marine Trunnion Ball Valve With Large Bore DN300, Cast Steel Construction, PN16 Design PressureNegotiableMOQ: 1 Unit
-
Marine Pipeline Trunnion Ball Valve for Offshore Platform Firewater Systems, DN250NegotiableMOQ: 1 Unit
-
Marine Floating Ball Valve Full Bore Design, Carbon Steel Body, DN15-DN200, PN1.6-6.4MPa, Flanged ConnectionNegotiableMOQ: 1 Unit
-
Marine Floating Ball Valve Full Bore, PTFE Seats, Anti-Static Device, Blow-Out Proof Stem, for High-Pressure SystemsNegotiableMOQ: 1 Unit
-
Marine Floating Ball Valve Full Bore, Supplied With Mill Test Report and Full Material Traceability DocumentationNegotiableMOQ: 1 Unit
