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Help CenterCB/T497 Sea Water Strainer A Type for Marine Main Engine and Auxiliary Cooling Water Systems
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As a professional manufacturer with a strong commitment to maritime fluid control solutions, Shanghai Zhibang Valve Manufacture Co., Ltd. proudly presents our CB/T497 Sea Water Strainer A Type. Designed specifically for the demanding environments of marine main engine and auxiliary cooling water systems, this strainer is engineered to protect your valuable equipment from debris, sediment, and particulate matter, ensuring uninterrupted operation and extending the lifespan of critical components. With our ISO9001-certified manufacturing processes and a focus on reliability, we deliver a filtration solution that meets the rigorous standards of the global shipping industry.
Our CB/T497 Sea Water Strainer A Type is a cornerstone of effective marine cooling system protection. It features a robust construction tailored to withstand the corrosive nature of seawater and the high-pressure demands of engine cooling loops. The "A Type" designation typically refers to a specific design configuration, such as a Y-type or T-type basket strainer, optimized for inline installation and easy maintenance. The primary function is to intercept and collect solid particles before they can enter and damage pumps, heat exchangers, and the engine block itself.
Key Features & Technical Advantages:
- Robust Construction: Manufactured from high-grade materials like bronze, cast iron, or stainless steel, offering excellent corrosion resistance and mechanical strength for long service life in marine applications.
- Efficient Filtration: Designed for coarse filtration, effectively removing shells, seaweed, sand, rust flakes, and other debris commonly found in sea water intake.
- Easy Maintenance: The strainer basket or screen is easily removable for cleaning without requiring the disconnection of the main pipeline, minimizing system downtime.
- Versatile Configuration: Available in various connection types (flanged or threaded) and sizes to match different pipe diameters and system layouts onboard vessels.
- Reliable Sealing: Equipped with durable gaskets or O-rings to ensure a leak-proof operation under the specified working pressure.
- Visual Inspection Port: Many models include a transparent sight glass or a removable cover allowing for quick visual checks of the strainer basket's condition and debris accumulation.
Detailed Technical Specifications:
The following table outlines common parameters for our CB/T497 A Type Sea Water Strainers. Specific dimensions and pressure ratings are customizable based on client requirements.
| Parameter | Description / Typical Value |
|---|---|
| Applicable Standard | CB/T497 (China Ship Standard) |
| Primary Material Options | Bronze (C95800), Cast Iron (GG25), Stainless Steel (CF8M/316) |
| Nominal Diameter (DN) | Range from DN25 to DN300 (or as per custom order) |
| Connection Standard | Flanged (JIS, ANSI, DIN, GB) or Threaded (BSP, NPT) |
| Design Working Pressure | Commonly rated up to 16 bar (232 psi), higher ratings available |
| Suitable Medium Temperature | -10°C to 120°C (dependent on seal material) |
| Strainer Mesh/Basket Material | Perforated plate or woven wire mesh in stainless steel |
Benefits for Your Marine Operations:
- Equipment Protection: Prevents abrasive particles from causing wear and clogging in pumps, coolers, and engine jackets, reducing repair costs and failure risks.
- System Efficiency: Maintains optimal flow rates and heat transfer efficiency in cooling systems by preventing blockages.
- Operational Safety: Contributes to the overall reliability of the vessel's propulsion and auxiliary systems, which is critical for safety at sea.
- Cost-Effective Maintenance: The simple cleaning process of the strainer basket is far more economical than repairing or replacing damaged major equipment.
- Compliance: Manufactured according to recognized marine standards (CB/T497), supporting compliance with vessel classification society requirements.
Backed by Shanghai Zhibang Valve's experience since 2016 and our ISO9001 quality management system, every CB/T497 Sea Water Strainer is produced with precision and subjected to stringent testing. Our annual export value of US$1 Million to US$1.5 Million and our presence in major global markets—including North America, South America, Europe, Asia, Africa, and Oceania—are a testament to the reliability and acceptance of our products worldwide. We ship efficiently from key ports like Shanghai, Guangzhou, Hong Kong, and Beijing, ensuring timely delivery to shipyards, vessel operators, and marine equipment distributors. Choose our strainer for a robust, reliable, and proven solution that safeguards your marine cooling water systems. Contact us today for a detailed quotation or technical consultation tailored to your specific vessel requirements.
Frequently Asked Questions (FAQ)
Q1: What does "A Type" refer to in the CB/T497 Sea Water Strainer?
A1: The "A Type" typically denotes a specific design configuration within the CB/T497 standard, often a Y-type or basket-type strainer with a particular body shape and cover arrangement suitable for straightforward installation and maintenance in marine cooling water lines.
Q2: What materials are recommended for use with seawater?
A2: For optimal corrosion resistance in seawater applications, bronze (e.g., C95800 aluminum bronze) or stainless steel (e.g., 316/CF8M) are highly recommended. Cast iron may be used with proper internal coatings or for less corrosive water.
Q3: How often does the strainer basket need to be cleaned?
A3: The cleaning frequency depends entirely on the water quality and debris load at the intake. It is advised to perform regular visual inspections, especially after operating in shallow or debris-rich waters. The strainer design allows for quick cleaning without system shutdown.
Q4: Can you provide strainers with different filtration mesh sizes?
A4: Yes, the perforation size or mesh opening of the strainer basket can be customized. Standard openings are designed for coarse filtration (e.g., 2-5 mm), but finer meshes are available upon request to meet specific system protection needs.
Q5: Are your strainers suitable for both main engine and auxiliary cooling systems?
A5: Absolutely. The CB/T497 A Type strainer is designed for general marine cooling water service. The specific size, pressure rating, and material should be selected based on the flow rate and pressure of the individual system (main or auxiliary).
Q6: Do you offer a duplex or self-cleaning strainer option for continuous operation?
A6: Our standard offering is the single-basket strainer described. For applications requiring uninterrupted flow, we can provide information on duplex (twin-basket) strainers or other continuous filtration solutions upon request.
Q7: What documentation do you provide with the strainers?
A7: We typically provide a material certificate, product data sheet, and a general arrangement drawing. Certificates of conformity to CB/T497 can be supplied. Specific documentation required by classification societies can be discussed.
Q8: What is your lead time for standard and custom orders?
A8: Lead times vary based on order quantity, material, and specifications. Standard configurations may have shorter lead times. We provide accurate production schedules upon receipt of detailed inquiries to ensure your project timelines are met.
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