Non-return valve BV 12

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"

 

Flashback arrestor SP, connection G

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