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Help CenterSeawater Strainer CB/T497 A Type Applied in Shipbuilding and Offshore Platform Water Intake
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As a specialized manufacturer in the marine valve and pipeline component industry, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our high-performance Seawater Strainer, Model CB/T497 A Type. Engineered specifically for the demanding environments of shipbuilding and offshore platform water intake systems, this strainer is a critical component for protecting pumps, heat exchangers, and other sensitive equipment from debris and marine organisms. With our commitment to quality since 2016, we have supplied reliable solutions to a global clientele across North America, Southeast Asia, Europe, and beyond. This strainer embodies our dedication to durability, efficiency, and meeting the stringent requirements of marine applications.
Our CB/T497 A Type Seawater Strainer is designed to ensure the smooth operation of seawater cooling and fire-fighting systems by effectively filtering out unwanted solids. The robust construction and thoughtful design offer significant advantages for vessel and platform operators.
- Superior Debris Protection: The primary function is to prevent shells, seaweed, plastic debris, and other particulates from entering and damaging critical downstream equipment such as pumps, chillers, and condensers. This extends equipment lifespan and reduces maintenance costs.
- Robust Construction for Harsh Environments: Manufactured from materials selected for corrosion resistance in seawater, including options like bronze and stainless steel. The housing is built to withstand the vibration, pressure fluctuations, and corrosive nature of marine service.
- High Flow Capacity with Low Pressure Drop: The basket strainer design offers a large filtration area, ensuring minimal restriction to water flow even when partially clogged. This maintains system efficiency and prevents pump cavitation.
- Convenient Maintenance and Inspection: Features a bolted cover or quick-opening clamp design for easy access to the filter basket. The basket can be removed, cleaned, and reinstalled without requiring special tools, minimizing vessel downtime.
- Versatile Installation and Sizing: Available in a range of sizes to match different pipe diameters and flow rate requirements. Flanged connections ensure a secure, leak-proof fit into existing piping systems.
- Compliance with Marine Standards: Designed and manufactured in accordance with the CB/T497 standard, which outlines specifications for marine pipeline filters, ensuring reliability and acceptance in shipbuilding projects.
To provide a clear overview of the technical specifications, please refer to the following table. Note that specific parameters can be customized based on project requirements.
| Parameter | Description / Typical Range |
|---|---|
| Model Designation | CB/T497 A Type |
| Applicable Standard | CB/T497 (Marine Pipeline Filter Standard) |
| Nominal Diameter (DN) | Available from DN50 to DN500 (Custom sizes available) |
| Primary Body Material | Cast Iron, Bronze, Ductile Iron, Stainless Steel (e.g., CF8M) |
| Strainer Basket Material | Stainless Steel Wire Mesh (Mesh size customizable) |
| Connection Standard | Flanged (e.g., ANSI, JIS, DIN, GB standards) |
| Design Pressure | Commonly rated for PN10/PN16, higher ratings upon request |
| Suitable Medium | Seawater, Brackish Water, River Water |
| Filtration Degree | Typically from 1.0mm to 5.0mm (Customizable mesh) |
The benefits of integrating our seawater strainer into your marine system are substantial. Operational reliability is enhanced by preventing pump blockages and impeller damage. Maintenance intervals for downstream equipment are extended, leading to lower long-term operating costs. Furthermore, the strainer's design facilitates quick visual inspection of debris accumulation through a sight glass or pressure gauge ports (optional), allowing for proactive cleaning before pressure drop becomes critical. For offshore platforms, where reliability is paramount, this strainer acts as a first line of defense for essential seawater lift pumps and cooling systems.
Backed by our ISO9001 certified quality management system, every CB/T497 A Type Seawater Strainer undergoes rigorous inspection to ensure it meets performance and durability standards. Our annual export value of US$1-1.5 Million reflects the trust placed in us by partners in over a dozen major markets worldwide, from North America and Western Europe to Southeast Asia and Africa. We offer flexible shipment from major ports including Shanghai, Guangzhou, and Hong Kong. Choose Shanghai Zhibang for a seawater strainer that combines proven marine-standard design with manufacturing expertise. Contact us today to discuss your specific project requirements and receive a detailed quotation.
Frequently Asked Questions (FAQ)
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Q: What is the main purpose of this seawater strainer?
A: Its primary purpose is to protect pumps, heat exchangers, and other critical equipment in ship and offshore platform seawater systems by physically filtering out solid debris like shells, seaweed, and plastic before the water enters the machinery. -
Q: How often does the strainer basket need to be cleaned?
A: Cleaning frequency depends entirely on the water quality and debris load at the intake. It can range from daily in very debris-heavy waters to monthly in cleaner conditions. Monitoring the pressure differential across the strainer is the best practice for determining cleaning needs. -
Q: Can you provide strainers with different mesh sizes for the basket?
A: Yes, absolutely. The filtration mesh size is customizable. We can manufacture baskets with different perforation or wire mesh sizes (e.g., 1mm, 2mm, 3mm holes) based on the level of protection your specific equipment requires. -
Q: What materials are recommended for use in seawater?
A: For superior corrosion resistance in seawater, we typically recommend bronze or stainless steel (such as 316/316L) for the body and internal parts. Cast iron with proper coatings is also an option for certain applications. -
Q: Is this strainer suitable for both fresh and seawater applications?
A: While designed and optimized for seawater intake, it is perfectly suitable for brackish water, river water, and other non-potable water applications where solids filtration is needed. Material selection should be adjusted based on the water's corrosiveness. -
Q: Do you offer an automatic self-cleaning version?
A: The standard CB/T497 A Type is a manual basket strainer. However, we can provide information on optional automatic backwashing strainer systems upon request for applications where manual cleaning is not feasible. -
Q: What documentation do you provide with the product?
A: Standard documentation includes a material certificate, product test report, and packing list. A detailed product manual with installation and maintenance instructions is also provided. Certification like ISO9001 for our manufacturing process is available. -
Q: What is your lead time for a custom-sized strainer?
A: Lead time varies based on size, material, and order quantity. For standard sizes, it is typically shorter. We provide an estimated lead time with every quotation and strive to meet project schedules.
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