What Are the Pipe Sizes Used in an Oil-Air Lubrication System?
Release time:
2023-03-18
In an oil-air lubrication system, the connecting pipelines are designed according to different pressure levels and lubrication stages. Proper pipe sizing helps ensure stable oil-air delivery, accurate lubrication, and reliable system performance.
Main Pipeline Configurations
The piping network in a typical oil-air lubrication system can generally be divided into the following sections:
1. Main Station to Substation Oil Pipeline
- Pipe Size: Φ14 × 1.5 mm
- Working Pressure: 50–70 bar
This high-pressure oil pipeline is responsible for delivering lubricant from the main station to each substation.
2. Substation to Primary Oil-Air Distributor
- Pipe Size: Φ14 × 1.5 mm
- Working Pressure: 2–4 bar
At this stage, the lubricant is mixed with compressed air and transported to the primary oil-air distributor.
3. Primary Distributor to Secondary Distributor
- Pipe Size: Φ10 × 1 mm
- Working Pressure: 1–3 bar
These pipelines distribute the oil-air mixture further downstream to secondary distribution points.
4. Secondary Distributor to Bearing Housing
- Pipe Size: Φ6 × 1 mm
- Working Pressure: 0.3–0.8 bar
The final delivery pipelines transport the oil-air mixture directly to the bearing housing or lubrication point with precise low-pressure lubrication.
Why Proper Pipe Sizing Matters
Correct pipeline sizing and pressure control are essential for:
- Stable oil-air flow
- Accurate lubricant delivery
- Reduced pressure loss
- Reliable bearing lubrication
- Improved system efficiency
The multi-stage pressure reduction design also helps ensure smooth lubricant transport throughout the entire lubrication network.
Key Takeaway
Oil-air lubrication systems use different pipe sizes and pressure ranges for each stage of lubricant delivery. From the high-pressure main station pipeline to the low-pressure bearing lubrication lines, each section is optimized to provide stable, precise, and efficient lubrication performance.
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