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Help CenterDN15-DN50 Marine Bronze Pressure Reducing Valve With PTFE Seals PN1.0-2.5MPa Flanged Ends CCS Certified
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Shanghai Zhibang Valve Manufacture Co., Ltd is proud to offer the DN15-DN50 Marine Bronze Pressure Reducing Valve with PTFE Seals, designed for demanding marine and offshore applications. Engineered with precision and reliability, this valve reduces inlet pressure to a stable outlet pressure, ensuring the safety and efficiency of your fluid systems. Our bronze construction provides excellent corrosion resistance in saltwater environments, while the PTFE seals offer low friction and long-lasting leak-free performance. With pressure ratings from PN1.0 to 2.5MPa and flanged ends for easy installation, this valve is certified by CCS (China Classification Society), giving you confidence in its quality and compliance.
Product Features & Technical Specifications
- Material: High-grade marine bronze (ASTM B62 / C83600) – excellent resistance to seawater corrosion.
- Seal: PTFE (Teflon) seats and seals – low friction, high temperature resistance, and chemical inertness.
- Pressure Range: PN1.0MPa to PN2.5MPa (10 bar – 25 bar) – suitable for a wide range of marine hydraulic and pneumatic systems.
- Size Range: DN15, DN20, DN25, DN32, DN40, DN50 – available in all standard diameters.
- End Connections: Flanged ends per EN1092, JIS B2220, or ANSI B16.5 (optional) – easy to install and maintain.
- Reducing Ratio: Up to 10:1 depending on inlet pressure – stable outlet pressure control.
- Operating Temperature: -20°C to +120°C (for PTFE seals) – suitable for most marine fluids.
- Certification: CCS (China Classification Society) approved – meets marine classification requirements.
- Optional Accessories: Pressure gauge tap, locking device, stainless steel internals available upon request.
| Parameter | Value |
|---|---|
| Nominal Size | DN15, DN20, DN25, DN32, DN40, DN50 |
| Inlet Pressure Range | PN1.0MPa – PN2.5MPa |
| Outlet Pressure Range | 0.1MPa – 1.0MPa (adjustable) |
| Material | Marine Bronze (ASTM B62) |
| Seal Material | PTFE |
| End Connection | Flanged (EN1092 / JIS / ANSI optional) |
| Certification | CCS (China Classification Society) |
Key Benefits for Your Marine System
- Corrosion Resistance: Bronze body withstands saltwater, reducing maintenance and extending service life.
- Low Friction PTFE Seals: Ensure smooth operation, low torque, and minimal leakage over thousands of cycles.
- Precise Pressure Control: Built-in pilot or direct-acting design maintains outlet pressure within ±5% of set point.
- Easy Installation: Flanged ends allow quick bolting to existing piping systems; compact design saves space.
- Compliance with Marine Standards: CCS certification ensures the valve meets classification society rules for shipboard use.
- Customizable Options: Different flange standards, spring ranges, and internal trim (e.g., stainless steel) available upon request.
Trusted by Global Marine Customers
Shanghai Zhibang Valve Manufacture Co., Ltd has been a reliable manufacturer since 2016, with an annual export value of US$1 million to US$1.5 million. Our products are shipped to major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, and are exported to over 20 countries across North America, South America, Europe, Asia, Africa, and Oceania. We hold ISO9001 quality management certification, and our marine bronze valves are rigorously tested for pressure, leakage, and durability before shipment. Many customers in the shipbuilding, offshore oil & gas, and marine firefighting sectors have trusted our valves for their critical systems. With CCS certification, you can be confident that this pressure reducing valve meets the highest standards of safety and performance. Contact us today for a quotation or technical consultation – we are ready to support your marine projects with professional service and fast delivery.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum inlet pressure for this valve?
A: The valve is rated for PN1.0MPa to PN2.5MPa (10–25 bar). For higher pressures, please consult us for custom solutions. -
Q: Can the valve be used for seawater?
A: Yes, the marine bronze body and PTFE seals are specifically designed for seawater and other corrosive fluids. -
Q: What outlet pressure ranges are available?
A: The outlet pressure can be adjusted from 0.1MPa to 1.0MPa depending on the spring and setting. Please specify your required outlet pressure when ordering. -
Q: Are flange standards interchangeable?
A: We offer EN1092, JIS B2220, and ANSI B16.5 flanges as standard options. Other standards can be customized upon request. -
Q: Does the valve come with a pressure gauge port?
A: Yes, a 1/4" NPT pressure gauge tap is available on the outlet side as an optional feature. -
Q: Is the valve maintenance-free?
A: The PTFE seals require minimal maintenance, but periodic inspection of the spring and diaphragm is recommended. We provide a maintenance manual with each valve. -
Q: What is the lead time for a typical order?
A: For standard sizes (DN15-DN50) and materials, lead time is 15–30 days. Custom orders may take longer. -
Q: Do you provide third-party inspection?
A: Yes, we can arrange for CCS, BV, or other classification society inspection upon request. Additional charges may apply.
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