TORVPRO LEARN
Guides & Charts
Practical sizing guides, gas comparisons and maintenance walkthroughs from the TorvPro workshop. Every guide links to the parts it covers.
Which blowtorch for soldering copper pipe?
Solder 15 mm and 22 mm copper pipe with confidence: what flame power you need, which nozzle shape does the work, and when a simple butane blowtorch beats an oxy-fuel rig.
Brazing nozzle sizes explained
What brazing nozzle numbers mean, how to match a size to your job, and how brazing nozzles differ from welding nozzles. Charts included.
Oxy-acetylene welding nozzle numbers: No. 1-25 explained
The British acetylene welding nozzle numbering runs No. 1-25. Learn what the number means, which size welds which thickness, and how to verify before you fit.
Rothenberger Superfire 2: finding the right replacement burner
Burner worn, flame ragged, thread stripped? Here’s how to identify the right Superfire 2 replacement part, fit it safely, and what fits Quickfire and Roxy.
How to clean a clogged torch nozzle
Ragged yellow flame? Sooting nozzle? Clean it the right way: pick the correct wire size, clear the orifice without enlarging it, and know when to replace.