Cowest Machinery blog: notes on vacuum lifting for buyers and EHS staff
This vacuum lifting blog is where we publish the longer pieces: the physics behind a data sheet, the questions that come up in enquiries, and the things a buyer or EHS officer has to explain to someone else. Each post is compiled from public standards and manufacturers' published data, and each says where our own machines fit and where they do not. The step-by-step guides and the calculators live in the Resources menu; the posts here are the reading around them.
Latest posts
Newest first. Every post links to the guide or calculator it belongs with.
| Post | What it covers | Read |
|---|---|---|
 Vacuum pressure and units explained |
Gauge against absolute vacuum, converting kPa, mbar, inHg and psi, the working vacuum of a tube lifter, the gauge and its alarm point, and why altitude caps what a blower can reach | Vacuum pressure and units explained: kPa, mbar, inHg and what −0.6 bar means for a tube lifter |
send the load, the packaging and the site, and we size the lifter for you.
What this blog does not cover
The selection guide, the price guide, the standards page, the maintenance checklist and the two calculators are in the Resources menu, not here; posts are opinion and explanation, not a rating or legal advice.
Cowest Machinery designs and manufactures vacuum tube lifters at its factory in Qingyuan, Guangdong, China.