Dual line is the system with 1 pump and multiple distributing valves connected by 2 piping lines.
For equipment and facilities which needs 50 - 2,000 lubrication points
Single line is the system with 1 pump and progressive operating type distributing valves connected by 1 piping line.
For the equipment and facilities from large to small size
Various video files are available.
It helps you to understand the lubricating system.
More files are added from time to time.
April 1, 2019 news
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