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Pat's Pump & Blower LLC

Hydraulic Spin-on Filter (Aquatech)

Hydraulic Spin-on Filter (Aquatech)

Regular price $95.00 USD
Regular price Sale price $95.00 USD
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A "Hydraulic Spin-on Filter" is a type of filtration system used in hydraulic applications to remove contaminants and impurities from hydraulic fluid. It consists of a filter element enclosed in a canister or housing with a threaded connection, making it easy to install and replace. Here are the key features and functions of a hydraulic spin-on filter:

Key Features:

  1. Spin-On Design: The term "spin-on" refers to the filter's design, which allows it to be quickly and easily installed by screwing it onto a filter head or housing. This design makes filter replacement straightforward and efficient.

  2. Filter Element: The heart of the hydraulic spin-on filter is the filter element, which is responsible for capturing and removing contaminants from the hydraulic fluid. The filter element can be made from various materials and designed with specific filtration ratings to suit the application's needs.

  3. Canister or Housing: The filter element is enclosed within a canister or housing, which provides structural support and protection for the element. The canister typically has a threaded connection for easy installation.

  4. Bypass Valve: Some hydraulic spin-on filters may include a bypass valve that allows fluid to bypass the filter element when the filter becomes clogged or the flow rate is too high. This helps ensure continuous operation of the hydraulic system, even if the filter is obstructed.

  5. Pressure Relief Valve: In some cases, a hydraulic spin-on filter may incorporate a pressure relief valve to prevent excessive pressure buildup within the filter housing, which can occur if the filter becomes clogged.


The primary function of a hydraulic spin-on filter is to:

  1. Filtration: Remove contaminants such as dirt, particles, metal shavings, and other impurities from hydraulic fluid. Clean hydraulic fluid is essential to maintain the proper functioning and longevity of hydraulic systems.

  2. Maintain System Performance: By removing impurities from the fluid, the filter helps prevent damage to hydraulic components, reduces wear and tear, and maintains optimal system performance.

  3. Extend Component Life: Proper filtration helps extend the service life of hydraulic pumps, valves, cylinders, and other system components by reducing the risk of damage due to contamination.

  4. Prevent System Failures: Adequate filtration is critical for preventing system failures, downtime, and costly repairs associated with contaminated hydraulic fluid.

Hydraulic spin-on filters are commonly used in hydraulic systems across various industries, including manufacturing, construction, agriculture, and transportation. They come in different sizes and filtration ratings to meet the specific requirements of hydraulic systems. Regular maintenance and filter replacement are essential to ensure the continued effectiveness of these filters in keeping hydraulic systems clean and efficient.

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