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Help CenterMarine 316L Stainless Steel Pressure Reducing Valve DN15-DN100 PN16-PN40 Flanged Threaded
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Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our Marine 316L Stainless Steel Pressure Reducing Valve in sizes DN15–DN100 with pressure ratings PN16–PN40. As a professional manufacturer established in 2016, we have accumulated extensive experience in producing high-quality valves for demanding environments. This valve is specifically designed to withstand the harsh conditions of marine applications, offering exceptional corrosion resistance and reliable pressure regulation. With an annual export value of US$1–1.5 million and ISO9001 certification, we ensure that every valve meets rigorous quality standards.
Our pressure reducing valve is engineered to deliver precise downstream pressure control, protecting equipment and systems from overpressure. It is available in both flanged and threaded connections, providing flexibility for various piping systems. The use of 316L stainless steel guarantees long-term durability even in saltwater environments, reducing maintenance costs and downtime.
Key Features & Technical Specifications
- Superior Material: Constructed from 316L stainless steel, which offers excellent resistance to chloride corrosion, pitting, and crevice attack – ideal for marine and offshore applications.
- Wide Size Range: Available from DN15 to DN100, covering small to medium flow requirements.
- Flexible Pressure Ratings: PN16, PN25, PN40 options to suit different system pressures.
- Dual Connection Options: Flanged (standard) and threaded (optional) ends for easy integration into existing pipelines.
- Precise Regulation: Balanced internal design minimizes pressure fluctuation, ensuring stable outlet pressure regardless of inlet variations.
- Low Maintenance: Self-cleaning piston and stainless steel spring reduce wear and extend service life.
- Compact & Lightweight: Optimized body structure reduces weight without compromising strength.
| Parameter | Value |
|---|---|
| Material | 316L Stainless Steel |
| Nominal Diameter | DN15 – DN100 (1/2" – 4") |
| Pressure Rating | PN16 / PN25 / PN40 |
| Connection Type | Flanged (RF) / Threaded (BSP or NPT) |
| Working Medium | Water, Oil, Gas, Steam |
| Inlet Pressure Max | Up to 40 bar (depending on rating) |
| Outlet Pressure Range | 0.5 – 12 bar (adjustable, customizable) |
| Operating Temperature | -20°C to +120°C (optional high-temp version) |
| Certification | ISO9001 |
Advantages & Customer Benefits
- Enhanced System Reliability: By maintaining a constant downstream pressure, this valve prevents damage to sensitive instruments, actuators, and control valves.
- Energy Savings: Precise regulation reduces pressure drops and unnecessary energy consumption in pumping systems.
- Extended Equipment Life: 316L material resists corrosion, scale formation, and erosion, even in seawater or chemical environments.
- Simplified Installation: Choose between flanged or threaded connections to match your existing piping layout without additional adapters.
- Global Compatibility: Available in both metric (DN) and inch (NPT) standards; PN ratings align with international norms.
- Customizable Options: Outlet pressure range, spring material, and seal type can be tailored to specific requirements.
At Shanghai Zhibang Valve, we understand the critical role of pressure control in marine systems. Our team of experienced engineers ensures that each valve undergoes strict quality checks, including hydrostatic testing and seat leakage tests. We have shipped products to over 30 countries and regions, including North America, Europe, Southeast Asia, and the Middle East, earning trust from shipbuilders, offshore platforms, and industrial plants.
With a dedicated export department and convenient shipping ports in Shanghai, Guangzhou, Hong Kong, and Beijing, we guarantee timely delivery. We also offer OEM/ODM services for special requirements. Contact us today to discuss your specific pressure reducing valve needs – we provide competitive pricing, reliable after-sales support, and technical guidance.
Frequently Asked Questions
Q1: What media can this valve handle?
A: It is suitable for water, oil, gas, and steam. For aggressive chemicals or high-purity applications, please consult us for seal and material compatibility.
Q2: What is the maximum inlet pressure?
A: It depends on the pressure rating version. For PN40, the maximum inlet pressure is 40 bar. For PN16, it is 16 bar. Please select accordingly.
Q3: Can I adjust the outlet pressure?
A: Yes, the outlet pressure is adjustable via a spring-loaded mechanism. The standard adjustable range is 0.5–12 bar, but other ranges are available upon request.
Q4: What connection options are available?
A: Both flanged (RF) and threaded (BSP or NPT) connections are available. Please specify your preference when ordering.
Q5: Is the valve suitable for seawater?
A: Absolutely. The 316L stainless steel body provides excellent corrosion resistance in seawater, making it ideal for marine applications.
Q6: What is the temperature range?
A: Standard operating temperature is -20°C to +120°C. For higher temperature applications, we can supply a version with special seals (up to 250°C).
Q7: Do you provide custom sizes or pressure ratings?
A: Yes, we offer customization. Please provide your technical requirements, and our engineering team will evaluate feasibility.
Q8: How long is the warranty?
A: We offer a standard 12-month warranty from the date of shipment. Extended warranty is available under negotiation.
* All specifications are subject to change without notice. For detailed drawings and technical datasheets, please request from our sales team.
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