J J_K Member Messages 248 Jun 22, 2012 #1 Quick question. Can I back purge with normal mig gas? I don't have a splitter and spare flow meter to set up a back purge of Argon.
Quick question. Can I back purge with normal mig gas? I don't have a splitter and spare flow meter to set up a back purge of Argon.
backpurge Member Messages 2,397 Jun 22, 2012 #2 No, you need to use argon, nitrogen, or for best results a nitrogen/hydrogen mixture
Moose-LT Newbie Messages 20 Jun 23, 2012 #4 What equipment is needed to backpurge, and where can it be purchased? I've been asked to repair a crack in a stainless exhaust system and need to find the back purging equipment neccessary. Thank you.
What equipment is needed to backpurge, and where can it be purchased? I've been asked to repair a crack in a stainless exhaust system and need to find the back purging equipment neccessary. Thank you.
H hotrodder Member Messages 4,583 Jun 23, 2012 #5 If you search the TIG forum for 'purge' you'll find loads of threads on the subject, here's one... http://www.mig-welding.co.uk/forum/showthread.php?t=12621&highlight=purge This is what the often mentioned 'Y-splitter' looks like... http://www.weldequip.com/twin-outlet-valve.htm. They're available from pretty much any welding store, you fit one to the regulator output and then fit flowmeters to it.
If you search the TIG forum for 'purge' you'll find loads of threads on the subject, here's one... http://www.mig-welding.co.uk/forum/showthread.php?t=12621&highlight=purge This is what the often mentioned 'Y-splitter' looks like... http://www.weldequip.com/twin-outlet-valve.htm. They're available from pretty much any welding store, you fit one to the regulator output and then fit flowmeters to it.