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Help CenterCast Steel Marine Pressure Reducing Valve, CB/M1079-81, DN15-DN100, PN1.6-6.4MPa, Flanged, CCS DNV Approved
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Shanghai Zhibang Valve Manufacture Co., Ltd is a professional manufacturer with over 8 years of experience in valve production. Our Cast Steel Marine Pressure Reducing Valve, designed in accordance with CB/M1079-81 standard, is built to deliver reliable and precise pressure control in demanding marine environments. With a robust cast steel body, flanged connections, and approval from CCS and DNV, this valve ensures long service life, safety, and compliance with international maritime regulations. Whether you are managing steam, water, or oil systems onboard, this pressure reducing valve is your trusted solution for stable downstream pressure.
Key Features & Benefits
- High-Quality Cast Steel Body: Offers excellent corrosion resistance and mechanical strength, suitable for marine saltwater and harsh conditions.
- CB/M1079-81 Standard Compliance: Ensures dimensional accuracy and interchangeability, easy to integrate into existing piping systems.
- Wide Size Range (DN15 – DN100): Covers small to medium flow requirements, flexible for various shipboard applications.
- Adjustable Pressure Range (PN1.6 – 6.4MPa): Allows precise regulation of outlet pressure, minimizing fluctuations and protecting downstream equipment.
- Flanged Connection: Simplifies installation and maintenance, provides leak-proof sealing under high pressure.
- CCS & DNV Approved: Meets strict classification society standards, widely accepted in international shipping and offshore projects.
- Stable Performance: Balanced piston design reduces noise, vibration, and wear, extending service life.
Technical Specifications
| Parameter | Value |
| Material | Cast Steel (WCB, LCB, or optional) |
| Nominal Diameter | DN15 – DN100 (1/2" – 4") |
| Nominal Pressure | PN1.6 – 6.4MPa (Class 150 – 400) |
| Connection | Flanged (RF, FF, RTJ optional) |
| Design Standard | CB/M1079-81 |
| Approvals | CCS, DNV, ISO9001 |
| Applicable Media | Steam, water, oil, gas |
| Operating Temperature | Up to 350°C (depending on material) |
Why Choose Our Marine Pressure Reducing Valve?
- Reliability: Each valve undergoes strict hydrostatic and seat leakage tests to ensure zero defects.
- Customization: Available with different trim materials, seat hardness, and actuator options (manual, pneumatic, electric) upon request.
- Global Service: We export to over 20 countries, including North America, Europe, and Southeast Asia, with fast delivery from Shanghai, Guangzhou, Hong Kong, or Beijing ports.
- Competitive Pricing: As a direct manufacturer, we offer factory prices without middlemen, providing cost-effective solutions.
Company Trust & Assurance
Shanghai Zhibang Valve Manufacture Co., Ltd has been a trusted valve manufacturer since 2016. With an annual export value of US$1 – US$1.5 million, we have served clients in diverse markets worldwide. Our products are backed by ISO9001 quality management system, ensuring consistent quality and traceability. We are committed to providing technical support, quick response, and after-sales service. Choose our Cast Steel Marine Pressure Reducing Valve for peace of mind in your marine operations. Contact us now for a quote or sample.
Frequently Asked Questions (FAQ)
1. What is the working principle of this pressure reducing valve?
It uses a balanced piston or diaphragm to sense downstream pressure and adjust the valve opening, maintaining a constant outlet pressure regardless of inlet pressure fluctuations.
2. Can this valve be used for seawater applications?
Yes, the standard cast steel body is suitable for seawater when properly protected. For corrosive environments, we recommend optional stainless steel or duplex trim.
3. What certifications are included?
The valve is approved by CCS and DNV classification societies. The manufacturing facility is ISO9001 certified. Additional certifications can be provided upon request.
4. What is the delivery time?
Standard sizes (DN15-DN100) are typically shipped within 15-30 days after order confirmation. Customized orders may require longer lead time.
5. Can I get a sample before bulk order?
Yes, sample orders are welcome. We can provide a sample valve with freight collect or negotiable terms.
6. How do I select the correct pressure range?
Please specify your required inlet pressure, outlet pressure range, and flow rate. Our technical team will help you select the appropriate spring and pilot settings.
7. Is the valve maintenance-friendly?
Yes, the flanged design allows easy disassembly for cleaning and parts replacement. Internal components such as seat and disc are replaceable.
8. What packing options are available?
We offer standard plywood cases, pallet packing, or customized packaging per customer requirements. All valves are properly protected for sea freight.
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