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Help CenterCB/T497 Marine Water Filter OEM Production - Manual & Automatic Models
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As a specialized manufacturer with ISO9001 certification, Shanghai Zhibang Valve Manufacture Co., Ltd. is proud to offer our high-performance CB/T497 Marine Water Filters for OEM production. Since our establishment in 2016, we have dedicated ourselves to engineering robust and reliable filtration solutions for the global maritime industry. Our filters are designed to protect critical shipboard systems from particulate contamination in seawater, ensuring operational efficiency and extending equipment lifespan. We understand the demanding environments of marine applications, which is why we build our products to withstand corrosion, high pressure, and continuous operation. Whether you require standard models or custom-designed solutions for your specific vessel or platform, we provide the technical expertise and manufacturing precision to meet your exact specifications.
Our marine water filters are engineered with a focus on durability, ease of maintenance, and filtration efficiency. The core of our design is a robust housing constructed from marine-grade materials such as 316 stainless steel or bronze, offering superior resistance to saltwater corrosion. The filtration element, typically a precision-welded stainless steel mesh or wedge wire screen, provides consistent particle retention. We offer both manual and automatic self-cleaning models to suit different operational requirements and levels of automation on board.
- Superior Corrosion Resistance: All wetted parts are made from materials specifically selected for marine service, ensuring long-term reliability even in the most aggressive seawater conditions.
- High Flow Capacity with Low Pressure Drop: Our optimized internal design maximizes flow rates while minimizing the pressure loss across the filter, which is crucial for maintaining system efficiency.
- Robust Construction: The housing and internal components are built to handle the vibration, shock, and pressure fluctuations common in marine environments.
- Flexible OEM Configurations: We specialize in OEM production, allowing us to tailor the filter's port sizes, connection standards (ANSI, DIN, JIS), mounting orientation, and control systems to integrate seamlessly with your existing ship designs.
- Effective Self-Cleaning (Automatic Models): Our automatic filters feature a reliable backwashing mechanism driven by an electric or pneumatic motor. This system cleans the screen without interrupting the main flow, making it ideal for unmanned engine rooms or critical continuous processes.
- Easy Maintenance (Manual Models): Manual models are designed for simplicity, featuring a easy-open cover and a basket or screen that can be quickly removed, cleaned, and reinstalled with minimal tools and downtime.
Here is a comparison of our standard model ranges:
| Feature | Manual Model | Automatic Self-Cleaning Model |
|---|---|---|
| Operation | Manual handle for screen removal/cleaning | Programmable controller with electric/pneumatic drive |
| Cleaning Cycle | As required, during system shutdown | Initiated by timer or differential pressure switch |
| Ideal For | Auxiliary systems, lower flow rates, cost-sensitive applications | Main engine cooling, continuous processes, high flow systems |
| Main Benefit | Lower initial investment, mechanical simplicity | Reduced maintenance labor, uninterrupted operation |
The primary advantage for our clients is system protection. By removing sand, shell fragments, algae, and other debris from seawater, our filters prevent clogging and abrasive wear in heat exchangers, pumps, valves, and spray nozzles. This translates directly into reduced maintenance costs, fewer unscheduled downtime events, and longer intervals between dry-docking for cleaning and repairs. For shipbuilders and system integrators, our OEM capability means you receive a filter that fits perfectly into your design, with the option to include your branding and specified control interfaces.
With an annual export value demonstrating our global reach, Shanghai Zhibang has successfully supplied our marine water filters to markets across North and South America, Europe, Asia, Africa, and Oceania. Our ISO9001 certified quality management system governs every step of production, from material sourcing to final testing. We ship from major ports like Shanghai, Guangzhou, and Hong Kong, ensuring efficient logistics to shipyards and marine equipment distributors worldwide. When you partner with us for your CB/T497 filter needs, you are not just buying a product; you are gaining a reliable manufacturing partner committed to supporting the longevity and efficiency of maritime operations. Contact us today to discuss your project requirements and receive a detailed OEM proposal.
Frequently Asked Questions (FAQ)
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What is the CB/T497 standard, and do your filters comply?
CB/T497 is a Chinese industrial standard for marine piping system filters. Our products are designed and manufactured to meet the requirements of this standard, which covers aspects like materials, pressure ratings, and dimensions suitable for marine use. -
Can you customize the filter for our specific pipe size and pressure rating?
Absolutely. As an OEM manufacturer, customization is our specialty. We can adjust port sizes (flanged or threaded), pressure class, overall dimensions, and even the filtration grade to match your system's piping and performance specifications. -
What is the typical lead time for an OEM order?
Lead times vary based on order quantity and customization complexity. For standard configurations, production can often be completed within 4-6 weeks. We provide a confirmed schedule upon order finalization. -
How does the automatic self-cleaning feature work?
The automatic model uses a motor-driven mechanism to rotate or backflush the filter screen. Cleaning can be triggered on a set time interval or automatically when a pre-set differential pressure across the filter is detected, indicating screen blockage. The process takes only seconds and does not stop the main fluid flow. -
What materials are available for the filter housing and screen?
Common housing materials include cast iron (epoxy coated), bronze, and stainless steel (304 or 316). Screens are typically made from stainless steel mesh or wedge wire. The best material combination depends on the filtered fluid (e.g., seawater, ballast water) and your corrosion resistance requirements. -
Do you provide technical drawings and documentation for class approval?
Yes, we can provide detailed general arrangement drawings, material certificates, and test reports. These documents are often necessary for submission to classification societies like DNV-GL, ABS, or LR for vessel approval. -
What is the minimum filtration grade (micron rating) you can provide?
For seawater applications with high particulate loads, we typically recommend grades from 500 microns down to 100 microns. Finer filtration is possible but may require different screen technology and more frequent cleaning. We will advise based on your application. -
What after-sales support do you offer?
We provide comprehensive support including installation manuals, spare parts lists, and technical consultation. Critical wear parts like seal kits and spare screens are available for order to ensure your filters remain operational for years.
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