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Help CenterMarine Water Pressure Reducing Valve With 1-Year Warranty Cast Iron Body DN15-DN100 PN1.0-1.6MPa Flanged Connection
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Shanghai Zhibang Valve Manufacture Co., Ltd., an ISO9001 certified manufacturer established in 2016, proudly presents our Marine Water Pressure Reducing Valve with a 1-Year Warranty. Designed specifically for demanding marine environments, this valve features a robust cast iron body, flanged connections, and a wide size range from DN15 to DN100, with pressure ratings of PN1.0 to PN1.6 MPa. Whether you need to protect downstream equipment from excessive pressure or ensure stable water supply on board, our pressure reducing valve delivers consistent performance and long service life.
Key Features & Technical Specifications
- Durable Cast Iron Body – Resistant to corrosion and mechanical stress, ideal for marine applications.
- Flanged Connection – Easy installation and leak‑proof sealing, compatible with standard piping systems.
- Wide Size Range – DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100 (customizable upon request).
- Pressure Rating – PN1.0 MPa (10 bar) and PN1.6 MPa (16 bar) options available.
- 1‑Year Warranty – Covers manufacturing defects and ensures peace of mind.
- ISO9001 Quality Management – Manufactured under strict quality control procedures.
| Parameter | Specification |
| Body Material | Cast Iron (GG25 or equivalent) |
| Connection Type | Flanged (DIN/ANSI/JIS optional) |
| Nominal Diameter | DN15 – DN100 |
| Pressure Rating | PN1.0 – PN1.6 MPa |
| Operating Temperature | -10°C to +80°C (standard); higher on request |
| Medium | Fresh water, seawater (with proper coating) |
| Warranty | 1 year |
Detailed Product Description
Our Marine Water Pressure Reducing Valve is engineered to maintain a stable downstream pressure regardless of fluctuations in the upstream supply. The valve operates on the principle of a pilot‑operated or direct‑acting spring‑loaded diaphragm, which automatically adjusts the opening to reduce high inlet pressure to a preset lower outlet pressure. This mechanism protects sensitive equipment such as pumps, filters, and desalination units from damage caused by overpressure.
The cast iron body provides excellent strength and durability, while the flanged connections ensure a secure, leak‑free installation. The valve is available in nominal sizes from DN15 to DN100, covering a wide range of flow requirements. Pressure ratings of PN1.0 and PN1.6 MPa allow compatibility with common marine water systems. Each valve is tested for function and pressure integrity before shipment, ensuring reliable performance in the field.
Benefits for Your Application
- Extended Equipment Life – By preventing pressure spikes, the valve reduces wear on downstream components.
- Energy Savings – Stable pressure reduces unnecessary pump cycling and energy consumption.
- Easy Maintenance – The valve design allows simple access to internal parts for cleaning or replacement.
- Compliance – Manufactured in accordance with ISO9001 standards, ensuring consistent quality.
- Customizable Options – Outlet pressure setting range, flange standards, and coating (e.g., epoxy for seawater) can be tailored to your specific needs.
Trust & Credibility
Shanghai Zhibang Valve Manufacture Co., Ltd. has been a reliable valve manufacturer since 2016, with an annual export value of US$1–1.5 million. Our products are shipped from major ports including Shanghai, Guangzhou, Hong Kong, and Beijing, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. With ISO9001 certification, we maintain rigorous quality control from raw material selection to final testing. We are committed to providing valves that meet the highest standards of performance and durability. Contact us today to discuss your marine pressure reducing valve requirements – we offer competitive pricing, fast delivery, and professional technical support.
Frequently Asked Questions
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Q: What is the maximum working pressure for this valve?
A: The valve is rated for PN1.0 MPa (10 bar) and PN1.6 MPa (16 bar) inlet pressure. The outlet pressure can be adjusted within a range (typically 0.1–0.6 MPa, depending on the model). Please specify your required outlet pressure when ordering. -
Q: Can this valve be used with seawater?
A: Yes, but for seawater applications we recommend an internal epoxy coating or optional stainless steel internal parts. The standard cast iron body is suitable for fresh water. Contact our sales team for seawater‑ready options. -
Q: Is the valve suitable for potable water systems?
A: The valve body is made of cast iron, which is generally safe for potable water. However, if you require a potable water certificate, we can provide a version with a food‑grade lining. Please inquire. -
Q: What flange standards are available?
A: We offer flanges according to DIN (PN10/16), ANSI (Class 150), and JIS (10K/16K) as standard. Other standards can be customized upon request. -
Q: How do I set the outlet pressure?
A: The valve is equipped with an adjusting screw or pilot control. Simply turn the screw clockwise to increase pressure and counter‑clockwise to decrease. A pressure gauge port is provided for monitoring. -
Q: What is the warranty period and what does it cover?
A: The valve comes with a 1‑year warranty covering manufacturing defects under normal use conditions. Damage caused by improper installation, corrosive media beyond the valve’s specification, or misuse is not covered. -
Q: Do you provide installation instructions?
A: Yes, each valve is shipped with a user manual that includes installation, operation, and maintenance guidelines. We also offer technical support by email or phone. -
Q: What is the lead time for an order of 50 units?
A: Typical lead time is 15–25 working days, depending on the size and quantity. For urgent orders, please contact us to discuss expedited production.
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