One of these for welding and cutting work! You can check the residual pressure from the case window.
Can cut 6 mm iron plate continuously for 1.5 hours by welding (when using #200 crater) and 10 mm iron plate continuously for about 12 m by cutting (No. 1 When crater is used) * Sanso acetylene is not filled.
Specifications
With Backfire Prevention Device (Acetylene Regulator Side)