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Help CenterPN1.6-6.4MPa Flanged Marine Oil Pressure Reducing Valve Cast Steel for Hydraulic Systems
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Shanghai Zhibang Valve Manufacture Co., Ltd., a professional manufacturer established in 2016, proudly presents the PN1.6-6.4MPa Flanged Marine Oil Pressure Reducing Valve in cast steel construction. Designed specifically for demanding hydraulic systems and marine applications, this valve ensures precise pressure regulation, exceptional durability, and reliable performance under harsh conditions. With ISO9001 certification and annual export value exceeding US$1 million, we combine engineering excellence with global supply capability to deliver a product that meets the highest standards of safety and efficiency.
Our pressure reducing valve is engineered to automatically maintain a stable downstream pressure regardless of upstream fluctuations. The robust cast steel body withstands high pressure up to 6.4MPa, while the flanged connections facilitate easy installation and maintenance in pipeline systems. Whether in shipboard hydraulic circuits, offshore platforms, or industrial oil transfer systems, this valve offers consistent performance and long service life.
Key Features & Technical Specifications
- High Pressure Rating: Suitable for PN1.6, 2.5, 4.0, 6.4MPa (Class 150-600).
- Superior Material: Cast steel body (WCB/WCC) provides excellent strength and corrosion resistance, ideal for marine environments.
- Precision Control: Pilot-operated or direct-acting design ensures accurate pressure regulation within ±5% of set point.
- Flanged Connections: Standard flange faces (RF/FF) per ASME B16.5 or DIN, size range DN15-DN400.
- Versatile Media: Compatible with hydraulic oil, fresh water, seawater, lubricating oil, and other non-corrosive fluids.
- Easy Maintenance: Modular internal cartridge design allows quick replacement of seats and seals without removing the valve from the pipeline.
- Temperature Range: -20°C to +80°C (standard), customizable for higher temperature requirements.
- Leak-tight Performance: Metal-to-metal or soft seat sealing ensures zero leakage at shut-off.
Technical Data Table
| Model | ZBFY-16C / ZBFY-40C |
| Nominal Pressure | PN1.6MPa – PN6.4MPa |
| Test Pressure (Shell) | 1.5 × PN |
| Test Pressure (Seal) | 1.1 × PN |
| Body Material | Cast Steel WCB / WCC / LCB |
| Trim Material | Stainless Steel 304/316 |
| Connection Standard | ASME B16.5 / DIN 2633 / GB/T 9119 |
| Operated Type | Pilot-operated / Direct-acting |
| Adjustable Range | 0.5 – 6.0 MPa (depending on spring) |
| Working Temperature | -20°C ~ +80°C (standard) |
Advantages for Your Business
- Cost Efficiency: Long service life reduces replacement frequency and downtime, lowering total cost of ownership.
- Operational Safety: Integrated pressure relief safeguard prevents overpressure damage to downstream equipment.
- Global Compatibility: Flanged connections match international standards, simplifying installation in existing systems worldwide.
- Customization Options: Available in various sizes, pressure ratings, and trim materials to meet specific project requirements.
- Quick Delivery: Stock availability for popular sizes; lead time typically 15-30 days for custom orders.
Trusted by Global Customers
Shanghai Zhibang Valve Manufacture Co., Ltd. has been serving the marine and industrial sectors since 2016. With an annual export value of US$1 million – US$1.5 million, our products are shipped to over 20 countries including North America, Europe, Southeast Asia, the Middle East, and Africa. We are ISO9001 certified, ensuring quality management from raw material procurement to final testing. Our factory in Shanghai, China, is equipped with advanced machining centers and testing facilities. We offer comprehensive after-sales support, including technical documentation, spare parts, and on-site assistance upon request.
Choose our PN1.6-6.4MPa Flanged Marine Oil Pressure Reducing Valve for reliable pressure control in your hydraulic systems. Contact our sales team today for a quotation, technical datasheet, or sample request. We are committed to providing valves that exceed your expectations in performance and durability.
Frequently Asked Questions (FAQ)
Q1: What is the maximum working pressure of this valve?
The valve is rated for pressure up to 6.4MPa (PN64). The specific working pressure depends on the model and size; please refer to the technical data sheet or consult our engineers.
Q2: Can this valve be used for seawater applications?
Yes, the cast steel body with stainless steel trim is suitable for seawater. However, for long-term service in marine environments, we recommend optional surface coating or duplex stainless steel body for enhanced corrosion resistance.
Q3: What flange standards are available?
We offer flanges per ASME B16.5 (Class 150-600), DIN 2633 (PN16-64), and GB/T 9119 (Chinese standard). Other standards can be customized upon request.
Q4: Is the valve pressure setting adjustable in the field?
Yes, the valve is equipped with an adjustable spring. The downstream pressure can be set within the design range by turning the adjustment screw. A pressure gauge connection is provided for monitoring.
Q5: What is the lead time for a custom order?
Standard sizes are available from stock; custom orders typically require 15-30 working days depending on quantity and specifications. We offer expedited shipping options for urgent projects.
Q6: Do you provide a warranty?
Yes, we offer a 12-month warranty from the date of shipment against manufacturing defects. Extended warranty is available at an additional cost.
Q7: Can I get a sample before placing a bulk order?
Absolutely. Sample orders are welcome. We can provide a sample valve with a negotiable cost; the sample fee will be deducted from your first bulk order.
Q8: How do I select the correct size for my system?
Please provide your flow rate, inlet pressure, desired outlet pressure, and pipe size. Our technical team will help you select the appropriate valve to ensure optimal performance.
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