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Help CenterZhibang Marine Steam Pressure Reducing Valve Cast Steel Body Flanged DN15-DN100 PN1.6-6.4MPa High Temp
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Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to present our Marine Steam Pressure Reducing Valve – a robust, high-performance solution designed for demanding marine and industrial steam systems. Manufactured with a cast steel body and flanged connections, this valve ensures reliable pressure regulation from DN15 to DN100 and handles pressures from PN1.6 to 6.4MPa at elevated temperatures. Built to withstand harsh marine environments, our pressure reducing valve delivers precise downstream pressure control, enhanced safety, and long service life, making it the preferred choice for shipbuilders and offshore platforms worldwide.
This valve is engineered with advanced internal components that minimize wear and ensure stable operation even under frequent cycling. The cast steel body provides excellent mechanical strength and corrosion resistance, while the flanged ends simplify installation and maintenance. Whether you are retrofitting an existing steam system or designing a new vessel, our valve offers exceptional performance and cost-efficiency.
Key Features & Benefits
- Durable Cast Steel Body: Withstands high pressure and temperature, resistant to thermal shock and corrosion.
- Flanged Connection: Easy to install and align with standard piping systems (ANSI, DIN, GB available).
- Wide Size & Pressure Range: DN15–DN100, PN1.6–6.4MPa, adaptable to various flow requirements.
- High-Temperature Capability: Suitable for superheated steam up to 400°C (customizable for higher).
- Precise Pressure Regulation: Maintains stable downstream pressure within ±5% of set point, reducing energy waste.
- Self-Actuating Design: No external power needed; uses steam pressure to automatically adjust opening.
- Low Noise & Vibration: Optimized internal flow path minimizes cavitation and noise.
- Easy Maintenance: Replaceable seat and disc, accessible without removing the valve from the pipeline.
Technical Specifications
| Parameter | Value |
|---|---|
| Body Material | Cast Steel (WCB, WCC, or equivalent) |
| Trim Material | Stainless Steel (304/316) or Stellite |
| Connection Type | Flanged (RF, FF, RTJ optional) |
| Size Range | DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100 |
| Pressure Rating | PN1.6, PN2.5, PN4.0, PN6.4 MPa |
| Operating Temperature | -20°C to +400°C (higher on request) |
| Downstream Pressure Range | 0.1–4.0 MPa (adjustable) |
| Leakage Rate | ≤0.01% of rated capacity (Class IV per ANSI/FCI 70-2) |
Why Choose Zhibang Marine Steam Pressure Reducing Valve?
Our valve is designed with the end-user in mind. The self-actuating pilot mechanism provides fast response to pressure fluctuations, ensuring consistent steam quality for critical processes like heating, propulsion, and auxiliary systems. The balanced trim design reduces the required actuating force, allowing for a compact and lightweight construction without sacrificing durability.
Additionally, the valve features a built-in strainer (optional) to protect internal parts from debris, and the convex diaphragm offers high sensitivity and long cycle life. All components are manufactured under strict quality control, with 100% factory pressure testing before shipment.
Trust & Reliability
Shanghai Zhibang Valve Manufacture Co., Ltd. has been a trusted manufacturer since 2016, with an annual export value of US$1–1.5 million. Our products are shipped from major ports including Shanghai, Guangzhou, Hongkong, and Beijing, serving clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia. We hold ISO9001:2015 quality management system certification, ensuring every valve meets rigorous international standards.
We understand the critical nature of marine steam systems. That's why each pressure reducing valve undergoes hydrostatic and pneumatic testing, with detailed test reports provided. Our engineering team is available for custom solutions, including special materials, flanges, or pressure settings. With a strong commitment to on-time delivery and after-sales support, Zhibang is your reliable partner for marine valve requirements.
Contact us today to discuss your specific application or request a quotation. Our sales team will respond within 24 hours with technical data sheets and competitive pricing. Experience the Zhibang difference – quality, performance, and value.
Frequently Asked Questions
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What is the maximum working pressure for this valve?
The valve is rated up to PN6.4 MPa (6.4 MPa or about 928 psi). Higher pressure ratings are available upon request. -
Can this valve be used for superheated steam?
Yes, the standard design can handle superheated steam up to 400°C. For temperatures above 400°C, please consult our engineering team for material upgrades. -
What flange standards are available?
We offer flanges according to GB, ANSI, DIN, JIS, and other standards. Please specify your requirement when ordering. -
Is the valve maintenance-friendly?
Absolutely. The trim can be serviced without removing the valve body from the pipeline. Replacement parts (seat, disc, diaphragm) are readily available. -
Do you provide customized pressure settings?
Yes, the downstream pressure range is adjustable. We can factory-set the valve to your specific required pressure, or provide a field-adjustable version. -
How does the valve handle water hammer or pressure surges?
The self-actuating pilot design absorbs moderate pressure fluctuations. For severe surge conditions, we recommend installing a surge suppressor or selecting a heavy-duty model. -
What is the typical lead time for standard sizes?
For DN15-DN100, standard lead time is 15-25 working days, depending on order quantity. Express delivery can be arranged for urgent orders. -
Do you offer warranty and after-sales support?
Yes, we provide a 12-month warranty from the date of shipment. Our technical support team is available via email and phone for troubleshooting and spare parts.
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