DN15-DN100 Marine Steam PRV Cast Steel PN1.6-6.4MPa Flanged Connection DNV BV Certified
Product Spotlights
Shanghai Zhibang Valve Manufacture Co., Ltd., a trusted manufacturer since 2016, presents our DN15-DN100 Marine Steam PRV Cast Steel PN1.6-6.4MPa Flanged Connection DNV BV Certified pressure reducing valve. Designed for demanding marine environments, this valve ensures precise steam pressure control, enhancing system safety and efficiency. Engineered with cast steel construction and flanged connections, it meets rigorous international standards, making it an ideal choice for shipboard steam systems, boiler applications, and offshore platforms. With annual export value exceeding US$1 million, our products are trusted across North America, Europe, Asia, and beyond.
Key Features & Technical Specifications
- Material Excellence: Cast steel body (WCB or equivalent) offers superior strength and corrosion resistance, suitable for high-temperature steam applications.
- Pressure Range: Designed for PN1.6 to PN6.4 MPa (232 to 928 psi), covering a wide range of marine steam requirements.
- Size Versatility: Available in DN15 to DN100 (1/2" to 4"), providing flexibility for various pipeline diameters.
- Flanged Connection: Standard flanged ends (EN 1092-1 or ASME B16.5) ensure easy installation and leak-proof sealing.
- Class-Leading Certification: DNV (Det Norske Veritas) and BV (Bureau Veritas) approved, guaranteeing compliance with marine classification society rules.
- Precision Regulation: Built-in pilot or direct-acting design for accurate downstream pressure control, minimizing pressure fluctuations.
| Parameter | Value |
|---|---|
| Nominal Diameter | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100 |
| Pressure Rating | PN1.6 / PN2.5 / PN4.0 / PN6.4 MPa |
| Material | Cast Steel (WCB / WCC / LCB) |
| Connection | Flanged (RF or FF) |
| Max Inlet Pressure | 6.4 MPa |
| Outlet Pressure Range | 0.1 – 4.0 MPa (adjustable) |
| Operating Temperature | -10°C to 350°C (customizable up to 425°C) |
| Applicable Media | Steam, Hot Water, Compressed Air |
Customer Benefits
- Enhanced Safety: DNV & BV certification ensures the valve meets stringent marine safety standards, reducing risk of system failure.
- Long Service Life: Cast steel construction and robust design withstand high-pressure steam cycles and harsh marine environments.
- Easy Maintenance: Modular internal components allow quick inspection and replacement without special tools.
- Energy Savings: Precise pressure regulation minimizes steam waste, lowering operational costs.
- Global Compatibility: Flanged connections comply with multiple international standards, simplifying integration into existing systems worldwide.
Shanghai Zhibang Valve Manufacture Co., Ltd. has been dedicated to producing high-quality valves since 2016. With an annual export value of US$1 million to US$1.5 million, we serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our ISO9001-certified manufacturing facility ensures consistent quality control. Every DN15-DN100 Marine Steam PRV undergoes rigorous testing before shipment, including hydrostatic and seat leakage tests. We offer flexible shipping from Shanghai, Guangzhou, Hong Kong, and Beijing ports, ensuring timely delivery worldwide. Trust our expertise to deliver reliable pressure regulation for your marine steam systems. Contact us today for a quote or technical consultation!
FAQ
-
What is the difference between a PRV and a safety valve?
A PRV (pressure reducing valve) reduces high inlet pressure to a stable lower outlet pressure, while a safety valve relieves excess pressure to prevent overpressure. Our marine steam PRV is designed for pressure reduction, not overpressure protection. -
Can this valve be used for superheated steam?
Yes, with appropriate materials and sealing options. The standard model is suitable for saturated steam; for superheated steam up to 425°C, please consult our technical team for customization. -
Are DNV and BV certificates provided with each shipment?
Yes, we provide certified copies of DNV and BV type approval certificates upon request. Each valve is manufactured and tested in accordance with these classification society rules. -
What is the typical lead time?
Lead time varies by size and quantity. Standard sizes (DN15-DN50) are usually shipped within 15-25 working days after order confirmation. Custom orders may require 30-45 days. -
Do you offer flanges in different standards?
Yes, we can supply flanges according to EN 1092-1, ASME B16.5, JIS B2220, or other standards upon request. Please specify your requirement when ordering. -
How is the outlet pressure adjusted?
The valve features an adjustable spring or pilot mechanism. Turning the adjustment screw (or using a pneumatic pilot) changes the set point. Detailed instructions are provided in the manual. -
What is the warranty period?
We offer a standard 12-month warranty from the date of shipment against manufacturing defects. Extended warranty options are available for an additional cost. -
Can I get a sample before bulk order?
Yes, sample orders are welcome. Please contact us with your requirements, and we will provide a quotation and shipping details.
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