Hydraulic Tank Breather Valve (13.5T - 21.5T Series)

Essential Pressure Regulation and Contamination Protection

This hydraulic tank breather valve is a vital component for the XCMG XE-series excavator hydraulic systems. It acts as the lungs of the hydraulic tank, allowing the tank to breathe as fluid levels fluctuate during operation while simultaneously preventing external contaminants, dust, and moisture from entering the hydraulic reservoir. By maintaining balanced atmospheric pressure and high-purity air inside the tank, this valve is essential for protecting the entire hydraulic system from aeration and fluid contamination.

1. Technical Specifications

2. Operational Importance

A faulty or clogged breather valve creates a vacuum or pressure buildup in the hydraulic tank, which can cause cavitation in the main pump, resulting in pump failure and erratic hydraulic control. Furthermore, if the filtration media inside the valve fails, ambient dust and humidity are pulled directly into the hydraulic oil, drastically shortening the lifespan of your hydraulic fluid and internal seals.

3. Maintenance Protocols

• Inspection: Check the breather valve daily during the pre-start walk-around. If the valve cap is damaged or if the air passage is completely blocked by debris, it must be cleaned or replaced immediately.

• Replacement Cycle: It is recommended to replace the breather valve every 1,000 operating hours or during major hydraulic system service. In extremely dusty or wet environments, more frequent replacement is advised.

• Installation Advice: Ensure the mounting surface is clean before installing a new valve. Do not over-tighten, as the housing is precision-engineered; simply ensure it is hand-tight or secured according to torque specifications to provide a proper seal.

4. Technical Support & Logistics

• Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.

• WhatsApp: +86 13701956981

• Email: [email protected]