The non-return valve prevents gases from developing a reverse flow. The valve is attached to the welding gun handle or to the cutter handle instead of a hose adapter.
| Description |
| Non-return valve BV 12 - 3/8" |
| Non-return valve BV 12 - 1/4" |
The safety devices are designed to achieve safety of flame process applications.
| Description | Gas |
| Flashback arrestor SP 20, connection G 1/4" | oxygen |
| Flashback arrestor SP 20, connection G 3/8” | acetylene |
| Flashback arrestor SP 20, connection G 3/8” LH | acetylene |
| Flashback arrestor SP 20, connection G 1/4" + SP 20, connection G 3/8” LH | oxygen acetylene |
| Flashback arrestor SP 34, connection G 1/4" | oxygen |
| Flashback arrestor SP 34, connection G 3/8” | acetylene |
| Flashback arrestor SP 34, connection G 3/8” LH | acetylene |
| Flashback arrestor SP 34, connection G 1/4“ + SP 34, connection G 3/8“ LH | oxygen acetylene |
| Flashback arrestor SP 50, connection G 1/4" | oxygen |
| Flashback arrestor SP 50, connection G 3/8” LH | acetylene propane, propane-butane natural gas |