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Help CenterMarine Water Pressure Reducing Valve DN15-DN100 Cast Iron Body PN1.0-1.6MPa Flanged Connection BV RINA Certified
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Shanghai Zhibang Valve Manufacture Co., Ltd, established in 2016 and headquartered in Shanghai, China, is a professional manufacturer dedicated to high-quality valve solutions. Our Marine Water Pressure Reducing Valve (DN15-DN100, Cast Iron Body, PN1.0-1.6MPa, Flanged Connection) is engineered to deliver precise pressure control in demanding marine environments. Backed by over 8 years of manufacturing experience and an annual export value of US$1–1.5 million, we supply to global markets including North America, Europe, Southeast Asia, Africa, and Oceania. This valve combines robust construction, reliable certification (BV & RINA), and cost-effective performance, making it the ideal choice for shipbuilding, offshore platforms, and seawater desalination systems.
Our pressure reducing valve is designed to maintain a stable downstream pressure regardless of upstream fluctuations, protecting sensitive equipment from damage. The cast iron body ensures durability and corrosion resistance in saline environments, while the flanged connection simplifies installation and maintenance. Available in sizes from DN15 to DN100 and pressure ratings PN1.0 to PN1.6 MPa, this valve can be customized to meet specific system requirements. Let’s explore its key features and benefits.
Key Features & Technical Specifications
- High-Quality Cast Iron Body: Provides excellent strength and resistance to seawater corrosion, extending service life in marine applications.
- Flanged Connection: Easy to install and seal, compatible with standard marine piping systems (PN10/16 flanges).
- Precise Pressure Regulation: Maintains downstream pressure within ±5% of set point, even with fluctuating inlet pressure.
- Wide Size Range: DN15 to DN100 covers diverse flow requirements from small auxiliary lines to main water supply systems.
- BV & RINA Certified: Meets strict marine classification society standards, ensuring safety and reliability onboard vessels.
- Adjustable Spring-Loaded Design: Allows quick pressure setting adjustment without disassembly.
- Integral Strainer Option: Available upon request to protect internal components from debris.
- Temperature Range: Standard version operates from 0°C to 80°C; high-temperature version optional.
Technical Specifications Table
| Parameter | Value |
|---|---|
| Material | Cast Iron (GG25) |
| Size Range | DN15 - DN100 (1/2" - 4") |
| Pressure Rating | PN1.0 - PN1.6 MPa (145 - 232 psi) |
| Inlet Pressure Max | 1.6 MPa |
| Outlet Pressure Range | 0.1 - 1.0 MPa (adjustable) |
| Connection Standard | Flanged (DIN/ANSI optional) |
| Operating Temperature | 0°C - 80°C (standard) |
| Certifications | BV, RINA (ISO9001 for company) |
Advantages & Customer Benefits
This valve offers tangible benefits for marine engineers and system integrators:
- Reduced Maintenance Costs: The durable cast iron body and stainless steel internal trim resist corrosion, minimizing downtime.
- Energy Savings: Precise pressure control reduces water hammer and unnecessary pump cycling, lowering energy consumption.
- Safety Compliance: BV and RINA certification ensure the valve meets international marine safety standards, simplifying vessel classification.
- Easy Installation: Flanged ends allow direct bolt-up to existing piping, saving labor time during retrofits or new builds.
- Versatile Application: Suitable for seawater cooling systems, fire-fighting networks, potable water treatment, and hydraulic control.
- Customizable Options: Available with different flange standards (ANSI, JIS), special seals (EPDM, Viton), and pressure ranges on request.
Why Choose Shanghai Zhibang Valve?
As a dedicated manufacturer since 2016, we have shipped valves to over 15 countries across North America, South America, Europe, Asia, Africa, and Oceania. Our annual export value of US$1–1.5 million reflects the trust our global customers place in our products. We hold ISO9001 certification for our quality management system, ensuring consistent product quality. Each marine pressure reducing valve undergoes rigorous pressure testing and functional verification before shipment. Our factory in Shanghai allows flexible shipping options via Shanghai, Guangzhou, Hong Kong, or Beijing ports. With a responsive sales team and technical support, we provide tailored solutions for your marine projects. Contact us today to discuss your specific requirements or request a quote.
Frequently Asked Questions (FAQ)
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Q: What is the difference between PN1.0 and PN1.6 MPa versions?
A: The PN1.0 version is rated for max 1.0 MPa inlet pressure, while PN1.6 handles up to 1.6 MPa. Both have the same cast iron body but different spring and diaphragm configurations. Choose based on your system’s maximum inlet pressure. -
Q: Can this valve be used for seawater?
A: Yes, the cast iron body with appropriate coating (e.g., epoxy) and optional stainless steel internals make it suitable for seawater applications. However, for long-term exposure, we recommend additional corrosion protection or a bronze version. -
Q: What certifications are included?
A: The valve is certified by BV (Bureau Veritas) and RINA (Registro Italiano Navale) for marine use. Our company also holds ISO9001 certification for quality management. -
Q: How do I adjust the outlet pressure?
A: The valve features an adjustable spring-loaded mechanism. Simply turn the adjusting screw on top (using a wrench) to increase or decrease the set pressure. A pressure gauge port is provided for monitoring. -
Q: Is an integral strainer available?
A: Yes, we offer an optional built-in strainer to protect the valve from debris. Please specify when ordering. -
Q: What is the delivery time?
A: For standard sizes (DN15-DN50), lead time is typically 15-20 days after order confirmation. Larger sizes may require 25-30 days. Expedited shipping is available upon request. -
Q: Do you provide a warranty?
A: Yes, we offer a 12-month warranty against manufacturing defects from the date of shipment. Extended warranty options are negotiable. -
Q: Can I get a sample before bulk order?
A: Certainly. We can provide a sample unit (subject to stock availability) with a sample fee, which will be deducted from the bulk order quantity.
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