QUQ Air Filter PAF Air Filter

4 week ago

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4 year

Product details

QUQ Air Filter

Product Overview

QUQ Air Filter is a multi‑function tank breather FILTER, mounted on top of the hydraulic oil reservoir for the hydraulic system. This dual‑purpose FILTER acts as both air breather and oil filling port, filtering incoming ambient air and new filling hydraulic oil, to prevent dust, debris and moisture from contaminating hydraulic fluid for various industrial and mobile Machine. It maintains balanced tank pressure and greatly improves the cleanliness of oil inside the hydraulic system.

Technical Specifications

- Series: QUQ Air FILTER (QUQ1, QUQ2, QUQ2b, QUQ2.5, QUQ2.5A, QUQ2.5B, QUQ3, QUQ4, QUQ5)

- Air filtration accuracy: 10μm, 20μm, 40μm optional

- Air flow range: 0.25‑10 L/min (varies by model)

- Working temperature: -20℃ ~ +100℃

- Mounting: Screw‑fixed installation on hydraulic reservoir top

- Function: Air breathing + oil filling port, anti‑dust & anti‑splash

- Filter media: Metal mesh / glass fiber optional

Working Principle

As a critical FILTER for the hydraulic system, when oil level inside the reservoir rises and falls during Machine operation, air flows in and out through this unit. Dust and solid particles in external air are trapped by filter media before entering the tank. It also serves as oil filling port: new hydraulic oil passes through the FILTER before entering reservoir to remove impurities. It keeps tank pressure balanced and avoids oil contamination from outside environment.

Core Advantages

1. Dual‑function design: breather + oil filler port, simplifies assembly for the hydraulic system.

2. Multiple model options to match different reservoir volumes and air‑flow demands of Machine.

3. Compact structure, easy to install and inspect, convenient for filter element maintenance.

4. Good anti‑splash performance, prevents hydraulic oil spilling out of tank during operation.

5. Reliable dust‑blocking performance, extends service life of hydraulic oil and components in the hydraulic system.

Application Range

This QUQ FILTER is widely applied on the oil tank of the hydraulic system for construction machinery, injection molding machines, machine tools, metallurgical equipment and other industrial Machine. It is widely used for hydraulic power units, stationary hydraulic stations and mobile hydraulic equipment as reservoir breather and filling port.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Main Product: hydraulic motor, gear box, hydraulic pump , hydraulic valve , hydraulic winch, hydraulic system

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