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Help CenterZhibang Valve Marine Pressure Reducer Mill Test Report Available DN15-DN100 Cast Iron Flanged PN1.0-1.6MPa BV RINA
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Shanghai Zhibang Valve Manufacture Co., Ltd., established in 2016 and certified under ISO9001, is proud to offer the Marine Pressure Reducer in cast iron flanged design. With an annual export value of US$1 million to US$1.5 million and serving global markets including North America, Europe, Asia, and Oceania, our pressure reducing valves are built to meet the rigorous demands of marine and industrial applications. The Zhibang Valve Marine Pressure Reducer comes with a Mill Test Report and is available with BV and RINA classification approvals, ensuring reliability and compliance in shipboard systems.
This product is designed to precisely reduce and stabilize inlet pressure from high to a lower, constant outlet pressure, protecting downstream equipment and ensuring safe operation. Available in sizes from DN15 to DN100 and pressure ratings PN1.0 to PN1.6MPa, the cast iron body provides excellent corrosion resistance and durability in seawater and freshwater environments. The flanged connection simplifies installation and maintenance, making it a preferred choice for shipbuilding, offshore platforms, and industrial water systems.
Key Features and Technical Specifications
- High-Quality Cast Iron Body: Robust construction withstands high pressure and harsh marine conditions, with optional epoxy coating for extra protection.
- Flanged Connection (DN15-DN100): Conforms to international flange standards (e.g., PN10/16, ANSI 150#), ensuring leak-free joints and easy alignment.
- Wide Pressure Range (PN1.0-1.6MPa): Suitable for medium-pressure systems commonly found in shipboard fire mains, cooling water, and compressed air lines.
- Precision Pressure Reduction: Internal diaphragm and valve seat design maintain stable outlet pressure within ±5% of set point, regardless of inlet fluctuations.
- Mill Test Report (MTR) Included: Each valve is supplied with a material traceability certificate, verifying chemical composition and mechanical properties of cast iron.
- BV and RINA Type Approval: Certified by Bureau Veritas and Registro Italiano Navale, meeting highest classification society standards for marine equipment.
- Easy Maintenance: Top-entry design allows quick access to internal parts without removing the valve from the pipeline.
| Parameter | Specification |
|---|---|
| Material | Cast Iron (GG25 / ASTM A48 Class 30) |
| Connection | Flanged (DIN/ANSI/JIS standard available) |
| Size Range | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100 |
| Pressure Rating | PN1.0MPa, PN1.6MPa (10 bar / 16 bar) |
| Max. Inlet Pressure | 1.6MPa (16 bar) |
| Outlet Pressure Range | 0.2 – 1.0MPa (adjustable, spring-loaded) |
| Operating Temperature | -10°C to +80°C (for water; higher temp on request) |
| Certifications | ISO9001:2015, BV, RINA, Mill Test Report |
Customer Benefits: By choosing Zhibang Valve Marine Pressure Reducer, you get a cost-effective solution that reduces downtime and maintenance costs. The availability of BV and RINA certifications simplifies the approval process for shipyards and marine engineers. Our Mill Test Report provides full material traceability, which is essential for quality assurance in critical applications. The flanged design allows for quick installation, and the precision pressure control protects sensitive equipment like actuators, valves, and instrumentation from pressure surges.
Shanghai Zhibang Valve Manufacture Co., Ltd. has been delivering reliable valves since 2016, with an annual export value of US$1 million – US$1.5 million. Our products are trusted by clients in over 20 countries across North America, South America, Europe, Africa, Oceania, and Asia. We ship from major ports: Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring fast global delivery. Our ISO9001-certified factory follows strict quality control procedures, and every valve is hydrostatically tested before shipment. We are confident that our Marine Pressure Reducer will meet your most demanding requirements.
Contact us today for a quotation or technical support. We offer customization options such as different flange standards, special coatings, and alternative trim materials. Let us be your trusted partner in marine valve solutions.
Frequently Asked Questions
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Q: What is the difference between PN1.0 and PN1.6MPa versions?
A: The PN rating indicates the maximum allowable working pressure. PN1.0 is for 10 bar systems, while PN1.6 is for 16 bar. Both are available in the same size range; choose based on your system pressure. -
Q: Can I get a Mill Test Report for each valve?
A: Yes, a Mill Test Report (MTR) is included with every order, providing material chemical analysis and physical properties. Additional copies can be provided upon request. -
Q: Are BV and RINA certificates included?
A: Yes, these classification society approvals are standard for our marine pressure reducers. We can also provide other certifications (e.g., DNV, CCS) upon request at additional cost. -
Q: What is the typical outlet pressure adjustment range?
A: The spring-loaded regulator can be adjusted from 0.2 to 1.0MPa, depending on the inlet pressure. For specific set points, please specify when ordering. -
Q: Can the valve be used for steam or oil?
A: This cast iron flanged design is primarily for water and non-corrosive fluids. For steam or oil applications, we recommend our special trim materials or other valve types. Please consult our technical team. -
Q: Do you offer custom flange dimensions?
A: Yes, we can supply flanges to DIN, ANSI, JIS, or other standards. Custom drilling is available, but lead time may be longer. Please confirm flange standard when placing order. -
Q: What is the warranty period?
A: We offer a standard 12-month warranty from the date of shipment against manufacturing defects. Extended warranty options are available upon request. -
Q: How do I install the valve correctly?
A: Install the valve in a horizontal pipe with the arrow on the body indicating flow direction. Ensure proper support for the flanges and avoid excessive stress. For detailed installation instructions, please refer to the product manual provided with the valve.
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