Water strainers debris and impurities from incoming sea or raw water, preventing clogs and damage to vital components like engines and pumps. Installed in the water intake system, these strainers ensure smooth operation and protect the vessel's equipment from potential harm in saltwater environments.
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1-2 weeks delivery time The robust Allpa nickel-plated bronze cooling water strainer with stainless steel 316 mesh is built for reliable marine inboard use. It has a 2-1/2" connection, stands 243mm tall, and delivers a high flow of 42600 liters per hour at 0.1 bar, conforming to the RINA DIP certification.
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$ 1,296.22
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1-2 weeks delivery time This compact and efficient Allpa 2" cooling water strainer combines corrosion resistance with excellent flow performance, ideal for medium-capacity marine systems. It measures 215mm in height, has a 2" connection, and flows 30000 liters per hour at 0.1 bar, certified by RINA DIP.
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$ 848.21
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1-2 weeks delivery time Designed for dependable marine inboard operation, the Allpa 2" nickel-plated bronze cooling water strainer offers solid performance and corrosion resistance. It stands 216mm tall, has a 2" connection, and supports flows up to 19900 liters per hour at 0.1 bar, certified by RINA DIP.
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$ 849.24
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1-2 weeks delivery time The Allpa 3" cooling water strainer is engineered for heavy-duty marine environments, offering a robust build with superior flow capacity. It features a 3" connection, a height of 276mm, and a flow rate of 58400 liters per hour at 0.1 bar, meeting RINA DIP standards.
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$ 1,414.80
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1-2 weeks delivery time Ideal for low-flow applications, the Allpa 3/4" marine cooling water strainer is small, efficient, and durable. It stands 151mm tall, has a 3/4" connection, and flows 3800 liters per hour at 0.1 bar, certified by RINA DIP.
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$ 407.28
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1-2 weeks delivery time The compact Allpa 3/8" nickel-plated bronze cooling water strainer is designed for low-capacity marine systems, combining nickel plating and stainless steel for durability. It is 117mm high with a 3/8" connection and flows 1400 liters per hour at 0.1 bar, certified by RINA DIP.
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$ 267.37
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1-2 weeks delivery time The Allpa Central Plastic Ring fits cooling water strainers model 090150/325, made of plastic for compatibility and durability in marine cooling systems.
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$ 7.07
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1-2 weeks delivery time The Allpa Stainless Steel Impurity Gatherer is designed for use with strainers to efficiently remove debris and maintain system performance.
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$ 71.35
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1-2 weeks delivery time The Allpa Plastic Cooling Water Strainer Ø19-25mm with mounting frame and transparent cover is ideal for inboard use, offering a capacity of 150 liters per minute and suitable for hose connections from Ø19mm to Ø25mm.
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$ 52.56
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1-2 weeks delivery time The Allpa Plastic Cooling Water Strainer Ø32-38mm with mounting frame and transparent cover is designed for inboard use, offering a high capacity of 300 liters per minute and fitting hose connections from Ø32mm to Ø38mm.
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$ 48.12
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1-2 weeks delivery time The Allpa Plastic Cooling Water Strainer, 1-1/2", H=125-175mm, 6650L/H, is built for efficient filtration in inboard engine systems. It ensures optimal performance by filtering the cooling water and features a robust construction for durability.
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$ 90.81
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1-2 weeks delivery time The Allpa Plastic Cooling Water Strainer, 3/4", H=75-110mm, 2800L/H, is designed for smaller inboard engines, providing excellent filtration. Its compact size makes it ideal for maintaining engine efficiency in smaller systems.
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$ 58.56
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1-2 weeks delivery time The Allpa Nickel Plated Brass with Stainless Steel Cooling Water Strainer Kit features a 1" connection and a height of 136mm. It is designed for efficient water flow and comes with RINA MAC certification.
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$ 155.30
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1-2 weeks delivery time The 1/2" Allpa Nickel Plated Brass with Stainless Steel Cooling Water Strainer Kit has a height of 108mm and certified performance, suitable for controlled water flow applications.
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$ 141.22
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1-2 weeks delivery time This 3/8" Allpa Nickel Plated Brass with Stainless Steel Cooling Water Strainer Kit combines nickel-plated brass and stainless steel 316, with a height of 108mm and RINA MAC certification for quality assurance.
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$ 141.22
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1-2 weeks delivery time The Allpa Neoprene 'U'-Profile is designed for stainless steel filters from model 001164E to 001164L, sold per meter, providing secure sealing and vibration dampening.
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$ 263.99
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1-2 weeks delivery time A reliable sealing component for cooling water strainers, this O-ring ensures optimal performance and prevents leaks.
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$ 13.57
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1-2 weeks delivery time The Allpa Spare Key is designed for the Water Strainer Kit 001160, serving as a convenient replacement to ensure continued system access.
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$ 25.94
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1-2 weeks delivery time High-quality stainless steel strainer compatible with Allpa water strainer kits model 001160, designed for durable marine filtration.
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$ 54.20
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1-2 weeks delivery time The Allpa Replacement Cover is designed for the cooling water strainer model 001160 to help maintain optimal cooling system function.
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$ 70.30
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What are the main components of a marine engine cooling system?
A marine engine cooling system consists of several key components designed to regulate engine temperature and prevent overheating. The heat exchanger plays a crucial role by transferring heat from the engine block to the cooling water, while the exhaust manifold and riser help dissipate excess heat as water exits through the exhaust system. Boat engines use either raw water cooling, where water from below the vessel enters and circulates through the system, or a closed-loop system with coolant circulating through a series of heat exchangers to maintain efficient temperature control.
How does the boat cooling system protect the engine block from overheating?
A boat engine cooling system prevents overheating by circulating water or coolant through the engine block to absorb excess heat. In a closed-loop system, coolant runs through a heat exchanger, transferring heat before being cooled and recirculated, while an open-loop system pulls water from the hull, cycles it through the engine, and expels it overboard. Regular checks for corrosion, leaks, and blockages help ensure proper flow and prevent failures that could lead to engine damage.
A well-maintained cooling system also protects critical engine components such as the oil cooler and fuel system by regulating temperature and preventing overheating-related failures. In diesel and Mercruiser engines, the system allows water to enter and flow efficiently, ensuring optimal heat dissipation and engine longevity. Regular replacement of worn-out parts, such as clamps and coolers, helps prevent corrosion buildup, which can restrict flow and increase the risk of system failure, ultimately affecting the vessel’s ability to keep cool and operate efficiently.
Why is it important to regularly clean the cooling system's tank and components?
Regular cleaning of the cooling system's tank and components is essential to prevent scale buildup, salt deposits, and corrosion, which can restrict water flow and reduce cooling efficiency. Marine engine manufacturers recommend inspecting the raw water pump, sea strainer, and coolant mixture on a regular basis to ensure proper circulation and prevent overheating. Unlike car engines, boat engines rely on water from the ocean or a closed-loop system, making maintenance critical to avoid costly repairs and engine failure.