China HRR057 SAUER 90 Hydraulic Replacement Spare Parts | Partsdic®

Pump/Motor Type: The HRR057 SAUER 90 series includes both hydraulic pumps and motors, designed to meet various fluid power requirements.

Understanding whether you need a replacement part for a pump or a motor is the first step in selecting the right spare part.

Displacement: Displacement refers to the volume of fluid displaced per rotation of the unit's internal components. It's usually measured in cubic centimeters per revolution (cc/rev) or liters per minute (LPM). Ensure that the replacement part's displacement matches the original unit to maintain the desired flow rate and performance.

Pressure Rating: Hydraulic systems operate under specific pressure ranges. The pressure rating of the replacement part must match or exceed the original unit's rating to ensure safe and reliable operation. Check if it's rated for low, medium, or high-pressure applications.

Mounting Configuration: The mounting configuration of the replacement part should align with the original unit's mounting style. Common mounting types include flange, foot, and face mounting. Ensuring a proper fit is essential to prevent leaks and ensure stability.

Shaft Type and Size: The shaft is a critical component, as it connects the hydraulic unit to the machinery. Ensure that the replacement part's shaft type (keyed, splined, etc.) and size match the original unit for a secure and efficient connection.

Seal Types: Proper sealing is essential for preventing fluid leakage and maintaining system efficiency.

Different replacement parts may use various seal types, such as lip seals, radial shaft seals, or mechanical seals. Ensure compatibility with the original unit's sealing method.

Material Compatibility: Hydraulic systems may use various fluids, such as hydraulic oil or synthetic fluids. Ensure that the replacement part is compatible with the fluid used in your system to prevent damage or operational issues.

Temperature Range: Hydraulic systems can operate in a wide range of temperatures. Verify that the replacement part is rated for the temperature range in which your system operates to avoid performance issues in extreme conditions.

Filtration Requirements: Maintaining clean hydraulic fluid is crucial for the longevity of the system. Ensure that the replacement part includes or is compatible with the required filtration systems to prevent contamination.

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