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Help CenterShipbuilding Marine Bronze Pressure Reducing Valve DN15-DN50 PN1.0-2.5MPa Threaded/Flanged CCS Approved
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Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted manufacturer of marine valves since 2016, exporting over US$1 million – US$1.5 million annually to markets across North America, Europe, Asia, and beyond. Our Shipbuilding Marine Bronze Pressure Reducing Valve (DN15–DN50, PN1.0–2.5MPa, Threaded/Flanged, CCS Approved) is engineered to deliver precise pressure regulation in harsh marine environments. With ISO9001 quality management system and a professional team, we ensure every valve meets the highest standards of durability and performance.
This valve is specifically designed for shipbuilding and offshore applications where reliable pressure control is critical. Made from high-strength bronze, it resists corrosion from seawater, salt spray, and aggressive fluids. Whether you need a threaded or flanged connection, our valve accommodates various piping systems with ease. The CCS (China Classification Society) approval guarantees compliance with international maritime safety regulations, giving you peace of mind for your vessel's hydraulic, fire-fighting, or cooling water systems.
Below we detail the key features, technical specifications, and benefits of this product.
Key Features & Benefits
- High-Quality Bronze Construction – Offers excellent corrosion resistance in seawater and marine atmospheres, extending service life and reducing maintenance costs.
- Precise Pressure Regulation – Maintains outlet pressure within ±5% of set point, even under fluctuating inlet conditions, ensuring system stability.
- Wide Size & Pressure Range – Available from DN15 to DN50, with pressure ratings from PN1.0 to PN2.5MPa, covering most marine applications.
- Flexible Connection Options – Choose threaded (BSP/NPT) or flanged (DIN/ANSI/JIS) ends to match your existing piping system.
- CCS Approved – Certified by China Classification Society, meeting stringent shipbuilding standards for safety and reliability.
- Easy Installation & Maintenance – Compact design with accessible trim parts allows quick in-line service without special tools.
- Low Internal Leakage – Precision-machined seat and disc ensure minimal leakage, improving system efficiency.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | Bronze (Aluminum Bronze / Tin Bronze) |
| Nominal Diameter | DN15, DN20, DN25, DN32, DN40, DN50 |
| Pressure Rating | PN1.0MPa, PN1.6MPa, PN2.5MPa |
| Connection Type | Threaded (BSP/NPT) or Flanged (DIN/ANSI/JIS) |
| Max. Inlet Pressure | 2.5 MPa (360 psi) |
| Outlet Pressure Range | 0.1 – 1.0 MPa (adjustable) |
| Working Temperature | -20°C to +120°C (-4°F to 248°F) |
| Applicable Media | Fresh water, seawater, compressed air, hydraulic oil, etc. |
| CCS Certificate | Included (standard for all units) |
Why Choose Our Valve?
Our bronze pressure reducing valve is manufactured in a ISO9001-certified facility with strict quality control from raw material to finished product. Each valve is hydrostatically tested at 1.5 times the rated pressure and seat leakage tested at lower pressure. The result is a reliable component that reduces downtime and protects downstream equipment from overpressure damage.
For shipbuilders, marine engineers, and system integrators, this valve offers a perfect balance of affordability, durability, and compliance. The compact body design saves space in cramped engine rooms, while the corrosion-resistant bronze ensures long-term performance even in ballast water systems or fire-fighting lines.
We also provide customization options, such as special outlet pressure settings, different flange standards, or non-standard materials (e.g., Duplex stainless steel) upon request. Our experienced engineers can assist you in selecting the right valve for your specific application.
Frequently Asked Questions (FAQ)
-
Q: What type of bronze is used in this valve?
A: We use high-quality aluminum bronze or tin bronze, both of which offer excellent resistance to seawater corrosion and wear. The exact alloy can be specified based on your requirements. -
Q: Is the CCS approval included in the price?
A: Yes, every valve comes with the official CCS certificate (type approval) as standard. Additional classification society approvals (e.g., DNV, ABS, BV) are available upon request at extra cost. -
Q: Can I get both threaded and flanged ends in the same valve?
A: No, each valve is supplied with either threaded or flanged ends. However, we offer adapters or reducers if needed for transition between connection types. -
Q: What is the typical lead time for an order?
A: For standard sizes (DN15–DN50), lead time is 15–25 working days, depending on quantity. Custom orders may take 30–40 days. We ship from Shanghai, Guangzhou, Hong Kong, or Beijing. -
Q: How do I adjust the outlet pressure?
A: The valve is equipped with an adjustable spring-loaded mechanism. Simply turn the adjusting screw (protected by a cap) to increase or decrease the outlet pressure within the specified range. A pressure gauge port is provided for monitoring. -
Q: Is this valve suitable for high-temperature steam?
A: No, the maximum working temperature is 120°C (248°F). For steam applications above 120°C, we recommend our special steam pressure reducing valves made of cast steel or stainless steel. -
Q: Do you provide installation instructions or technical support?
A: Absolutely. Each valve comes with a manual in English and Chinese. Our technical team is available via email, phone, or video call to assist with installation, troubleshooting, or system design. -
Q: What is the minimum order quantity (MOQ)?
A: For standard valves, MOQ is 10 pieces per size. For customized orders, MOQ is 50 pieces. We also accept sample orders for evaluation.
Trust Shanghai Zhibang Valve – Your Reliable Marine Valve Partner
Since 2016, we have supplied thousands of valves to shipyards, marine suppliers, and OEMs worldwide. Our ISO9001 certified factory, US$1 million+ annual export, and wide market coverage (North America, Europe, Asia, Africa, Oceania) demonstrate our commitment to quality and customer satisfaction. We are ready to support your next project with fast delivery, competitive pricing, and professional after-sales service.
Contact us today for a quotation or technical consultation. Our team will respond within 24 hours.
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