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Help CenterMarine Bronze Cock Valve Used in Ship Fuel Oil Transfer System, DN50, Flanged, 0.5~2.0MPa, Quarter Turn, Easy Maintenance, Compact Design.
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Shanghai Zhibang Valve Manufacture Co., Ltd., an ISO9001-certified manufacturer since 2016, proudly presents our Marine Bronze Cock Valve – a dedicated solution for ship fuel oil transfer systems. Engineered with a DN50 flanged connection and capable of handling pressures from 0.5 to 2.0 MPa, this quarter-turn valve combines compact design with easy maintenance, ensuring reliable operation in demanding marine environments. Our commitment to quality and global export experience (US$1M–US$1.5M annually) guarantees a product that meets international standards.
Key Features & Technical Specifications
- Material: High-grade bronze – excellent corrosion resistance in seawater and fuel oil.
- Size: DN50 (2-inch) nominal diameter – perfectly suited for medium-flow fuel transfer.
- Connection: Flanged ends (EN 1092-1 / DIN PN10/16 compatible) – easy installation and leak-proof sealing.
- Pressure Rating: 0.5 to 2.0 MPa (5–20 bar) – covers typical marine fuel system pressures.
- Operation: Quarter-turn (90°) – quick open/close with visual position indicator.
- Design: Compact body – saves space in engine rooms and piping layouts.
- Maintenance: Simple disassembly for cleaning or replacement of internal components.
- Standards: Manufactured under ISO9001 quality management system.
| Parameter | Value |
|---|---|
| Nominal Diameter | DN50 |
| Connection Type | Flanged (DIN/EN) |
| Working Pressure | 0.5 – 2.0 MPa |
| Operating Temperature | -20°C to +80°C (typical marine fuel) |
| Body Material | Bronze (CuSn10 or equivalent) |
| Seal Material | PTFE / Graphite (fuel-resistant) |
| Turn Angle | 90° (quarter-turn) |
| Weight (approx.) | 3.5 kg |
Detailed Product Advantages
1. Robust Bronze Construction
Our marine cock valve is cast from high-quality bronze, offering excellent resistance to saltwater, fuel oil, and hydrocarbons. This ensures long service life even in aggressive marine atmospheres.
2. Quarter-Turn Operation for Quick Response
The 90° rotation allows for rapid opening or closing, reducing operator fatigue and improving safety during emergency shut-off. A clear position indicator shows open/closed status at a glance.
3. Flanged Connection for Secure Installation
Flanged ends conform to standard drilling templates (PN10/16), making it easy to install between existing pipe flanges with bolts and gaskets. The robust flange design prevents leakage under high vibration.
4. Compact Body – Space-Saving Design
With a short face-to-face dimension, this valve can be installed in tight spaces commonly found in ship engine rooms, auxiliary machinery compartments, and fuel transfer stations.
5. Easy Maintenance and Serviceability
The valve can be disassembled without removing the entire unit from the pipeline. The plug and seat can be inspected, cleaned, or replaced quickly, minimizing downtime during ship maintenance.
6. Wide Pressure Range (0.5~2.0 MPa)
Covering low to medium pressure fuel oil systems, this valve offers flexibility for various ship designs – from small vessels to large cargo ships.
7. Proven Reliability in Marine Applications
Each valve undergoes hydrostatic and shell tests before shipment. Our ISO9001 quality system ensures consistent manufacturing standards.
Trust & Assurance
Shanghai Zhibang Valve Manufacture Co., Ltd. has been a dedicated valve manufacturer since 2016, with an annual export value of US$1M – US$1.5M. Our products are shipped from major Chinese ports (Shanghai, Guangzhou, Hong Kong, Beijing) to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We are ISO9001 certified, ensuring that every valve meets rigorous quality control procedures. Our team provides responsive technical support and customizable options (e.g., special seal materials, extended handles) upon request. Choose our marine bronze cock valve for a reliable, cost-effective solution that keeps your fuel oil transfer system running smoothly.
Contact us today for a quote or to discuss your specific requirements. We are committed to delivering valves that exceed expectations in performance and durability.
Frequently Asked Questions (FAQ)
-
Q: Is this valve suitable for heavy fuel oil (HFO) as well as diesel?
A: Yes, the bronze body and PTFE/graphite seals are compatible with both heavy fuel oil and marine diesel oil within the specified temperature range. -
Q: Can I get the valve with a different flange standard, such as ANSI or JIS?
A: Currently our standard flanged ends are designed for DIN/EN PN10/16 drilling. Custom flanges per ANSI 150# or JIS 10K are available upon request. -
Q: What is the typical lead time for this DN50 cock valve?
A: For standard models, lead time is 15–20 working days. For custom orders, please allow 25–30 days depending on quantity. -
Q: How do I ensure the valve is properly maintained?
A: We recommend periodic inspection of the plug and seat. If leakage occurs, the valve can be disassembled and the sealing surfaces can be lapped or replaced. A maintenance manual is included with each shipment. -
Q: What is the maximum torque required for quarter-turn operation?
A: Under normal operating conditions (0.5–2.0 MPa), the torque is approximately 15–20 Nm. A hand lever is provided, and a gearbox option is available for higher torque applications. -
Q: Does the valve come with a certificate of conformance?
A: Yes, we provide a material certificate and a hydrostatic test certificate with every valve. Additional third-party inspection (e.g., DNV, BV, Lloyds) can be arranged at extra cost. -
Q: Is the valve suitable for horizontal or vertical installation?
A: The valve can be installed in any orientation. However, for optimal performance, vertical installation with the plug stem facing upward is recommended. -
Q: What is your minimum order quantity (MOQ)?
A: For standard DN50 bronze cock valves, MOQ is 10 pieces. For smaller quantities, please contact our sales team to check stock availability.
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