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Help CenterCustomized Marine Gate Valve Non Standard Size DN150 PN16 Bronze Material Handwheel Operated
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As a specialized manufacturer with ISO 9001 certified processes, Shanghai Zhibang Valve Manufacture Co., Ltd. provides engineered solutions for demanding marine applications. Our Customized Marine Gate Valve in DN150 PN16 with Bronze construction represents our commitment to delivering reliability where standard valves fall short. We understand that marine and offshore systems require components that can withstand corrosive environments, constant vibration, and stringent safety standards. This handwheel-operated gate valve is designed and built to meet those challenges, offering a perfect blend of custom engineering and proven performance for shipbuilders, repair yards, and offshore platform operators worldwide.
This valve is engineered for critical flow isolation in seawater, ballast, bilge, fuel oil, and other shipboard piping systems. The choice of high-grade bronze alloy offers superior resistance to saltwater corrosion and dezincification compared to standard brass, ensuring a longer service life in harsh marine conditions. The handwheel operation provides reliable manual control, essential for systems where power availability cannot be guaranteed or for emergency shut-off functions.
- Tailored Engineering for Unique Requirements: The core of this product is its "non-standard" nature. We do not just sell catalog items; we engineer valves to fit your specific spatial constraints, connection flanges, or operational protocols. Whether you need a specific face-to-face dimension, unusual port configurations, or special testing requirements, our design team can adapt.
- Robust Construction for Marine Duty: Manufactured from certified bronze alloys (such as C83600, C84400, or C85700), the valve body, bonnet, gate, and stem are selected for optimal strength and corrosion resistance. The metal-seated design (with optional resilient seats) ensures tight shut-off even after prolonged periods of inactivity, a common scenario in marine systems.
- Reliable Handwheel Operation: The large, ergonomic handwheel allows for smooth operation, even under full differential pressure. It is often fitted with a locking device or a position indicator as per client request. The rising stem design provides a clear visual indication of the valve's open or closed status.
- Precision Machining and Quality Assurance: Every valve undergoes rigorous machining on CNC equipment to ensure precise tolerances for the gate, seats, and sealing surfaces. Our ISO 9001 system governs the entire process, from material traceability to final pressure testing, which typically includes shell and seat tests per relevant marine standards.
Below is a summary of key specifications for the standard DN150 PN16 configuration. Remember, all parameters are customizable upon request.
| Parameter | Specification |
| Nominal Diameter (DN) | 150 (6") - Other Sizes Available |
| Pressure Rating (PN) | 16 (16 bar / 232 psi) |
| Body & Bonnet Material | Bronze Alloy |
| Stem Material | Stainless Steel or Bronze |
| Gate & Seat Material | Bronze / Bronze or Bronze / EPDM |
| Operation | Handwheel (Rising Stem) |
| Connection Standard | ISO 7005-2 / DIN / ANSI Flanges |
| Test Standard | Shell & Seat Test per API 598 / ISO 5208 |
The primary advantage for our clients is system integrity and reduced lifecycle cost. A valve that fits perfectly the first time eliminates costly field modifications and potential leak paths. The durable bronze construction minimizes maintenance frequency and replacement needs, directly contributing to lower total cost of ownership for vessel operators. Furthermore, having a reliable manufacturer that can respond to non-standard requests provides supply chain flexibility and can accelerate project timelines for new builds or retrofits.
With an annual export value ranging between US$1 Million and US$1.5 Million and a presence in key global markets from North America and Europe to Southeast Asia and Africa, Shanghai Zhibang has established itself as a trusted partner for industrial valve solutions. Our products, manufactured under the ISO 9001 quality management system, are shipped from major ports like Shanghai, Guangzhou, and Hong Kong, ensuring efficient logistics. We invite you to leverage our manufacturing expertise to solve your specific marine valve challenges. Contact us today to discuss your project requirements, request a detailed quotation, or obtain technical drawings for your customized DN150 PN16 bronze marine gate valve.
Frequently Asked Questions (FAQ)
Q1: What exactly does "non-standard size" mean for this valve?
A1: "Non-standard size" means we can manufacture the valve with dimensions that differ from common catalog specifications. This can include custom face-to-face lengths, flange drilling patterns (like PN10 flanges on a PN16 valve body), special port shapes, or unique stem lengths to accommodate your specific piping layout or space constraints.
Q2: Can this bronze valve be used for seawater applications?
A2: Yes, that is a primary application. The specified bronze alloys (e.g., C83600 naval brass) are specifically chosen for their excellent resistance to corrosion from saltwater, making them suitable for seawater cooling, ballast, firefighting, and bilge systems.
Q3: Is the handwheel operation suitable for high-pressure applications?
A3: The PN16 rating indicates a maximum working pressure of 16 bar. The handwheel and gear mechanism are designed to operate effectively within this pressure range. For higher pressures or very large diameters, a gear operator can be offered as an alternative.
Q4: What are the available options for end connections?
A4> While flanged connections are standard, we can customize to match various standards like ANSI, JIS, or DIN. Other connection types such as threaded (NPT, BSP) or weld ends can also be engineered based on your request.
Q5: Do you provide documentation and certifications with the valve?
A5: Yes. Standard documentation includes a material test certificate, a pressure test report, and a general product datasheet. Additional certifications, such as a 3.1 material certificate per EN 10204 or specific marine society approvals, can be discussed and provided upon request.
Q6: What is the typical lead time for a customized order like this?
A6: Lead time depends on the complexity of the customization. For a standard DN150 PN16 bronze valve with minor modifications, production can often be completed within 4-6 weeks. More complex designs may require additional engineering time, which we will clarify during the quotation process.
Q7: Can the valve be supplied with actuators for remote operation?
A7: Absolutely. While this listing is for handwheel operation, we can design the valve to be compatible with electric, pneumatic, or hydraulic actuators. The bonnet and stem can be configured with a mounting pad to suit various actuator models.
Q8: How does your company ensure quality for custom products?
A8> Our entire manufacturing process is governed by an ISO 9001 quality management system. This ensures controlled procedures for design review, material inspection, in-process quality checks, and final testing. Every custom valve undergoes the same rigorous pressure and performance testing as our standard products.
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