| Hydraulic Air Breather Filter 4216035170 421-60-35170 P502574 AF4167 Parameter: | |
| Part Number | 4216035170 421-60-35170 P502574 AF4167 |
| Brand | Tamfiney |
| Weight | 50g |
| Height | 33 mm |
| Outer Diameter | 54mm |
| Inner Diameter/ Thread Size | 22/27mm |
| Minimum Order | 100 PCS |
| Place of Region: | Zhejiang, China |
| Payment Terms: | T/T |
| Price Terms: | FOB |
| Lead Time: | 30 to 50 days based on order quantities |
| Market Type: | After Market |
| Current Export Market: | Southeast Asian,North America, South America, Western Europe, Eastern Europe, Africa, Oceania |
Applications:
CASE CX 130 ECX 130 E-LCCX 130 E-LCLRCX 160 E-LCCX 180 E-LCCX 240 E-NHD
CATERPILLAR 314 D/LCR314 D/LCR314 D/LCR319 D/LCR319 D/LCR319 D/LCR323 DLN/DS323 DLN/DS323 DLN/DS328 D-LCRMD 6200
JCB 131 X LC140 X150 X210 X LC MONO T4F220X SLC
KOMATSU BR 580 JG-1D 155 AX-6D 155 AX-8D 155 AX-8E0D 155 AXi-8E0D 31 LC-11PC 24 PC 360 NLC-11PC 360 PC 45 E0WA 480-5WA 480-5 HWA 480-6WA 480-8WA 480-8WA 500-7WB 93 R-8E0
KUBOTA U 50-5U 56-5U 56-5U 56-5U 56-5U 60-5
TAKEUCHI TB 153 FRTB 2150TB 2150 CTB 2150 RTB 2150 TB 370 WTB 395
Professional 4216035170 421-60-35170 Hydraulic Air Breather Filter P502574 AF4167
Q: What is the purpose of a hydraulic air breather?
A hydraulic air breather filters all air entering or leaving the oil tank. This prevents contaminants from entering and keeps pressure balanced, so pump cavitation is avoided.
Main Functions
First, the breather purifies incoming air. It traps dust, sand, and water vapor before they reach the oil. Therefore, the hydraulic oil stays clean, and pumps or valves avoid damage.
Next, it maintains pressure balance. When oil expands or contracts, air can move smoothly in or out. This prevents negative pressure that causes cavitation or positive pressure that harms pump seals.
Some models provide an oil injection feature. During refueling, new oil passes through the breather’s secondary filter. Thus, impurities are blocked from entering during oil changes.
Installation Location and Necessity
Typically, the breather is installed on top of the hydraulic oil tank. If missing or blocked, outside dirt enters, leading to oil contamination.
Therefore, without a breather, oil breaks down quickly and forms sludge. Likewise, pressure imbalances trigger cavitation and cut machine life short. For these reasons, every open tank system needs a reliable hydraulic air filter.
Q: Does a hydraulic tank need a breather?
Yes, it does. Hydraulic oil tanks usually require the installation of a breathing filter, which is a key accessory to prevent pollutants from entering and maintain air pressure balance. Missing it will significantly accelerate oil deterioration and component wear.
Core role and necessity
- Filter intake pollutants: The fuel tank produces a "breathing" effect as the oil temperature/liquid level changes. The breathing filter can intercept dust and sand particles (with an accuracy of usually 10-20 μ m) in the air, preventing them from mixing with the oil and damaging precision components such as pumps and valves.
- Moisture and oxidation prevention: Some filter elements contain moisture absorbing materials (such as silicone), which can reduce the entry of water vapor, avoid hydraulic oil emulsification, oxidation, and system corrosion.
- Maintain pressure balance: Ensure consistent air pressure inside and outside the fuel tank to prevent hydraulic pump suction (cavitation) caused by negative pressure or seal failure/fuel injection caused by positive pressure.
- Refueling protection: Most breathing filters also have the function of filtering oil injection ports to prevent impurities from entering when adding new oil.
