B&B Sumner Lo Adjust-A-Roll - Conveyor Roller Head - 4400CRH Cobra Coolant The non-HF arc start is

The non-HF arc start is safe around HVAC control boards and thermostats

This means preheating is non-optional for sections over 1/4 in

For CGA 200 "MC acetylene to CGA 520 "B" acetylene connections

wire spools

1 mm) Shielding Gas 75% Ar / 25% CO₂ (C25) preferred

B&B Sumner Lo Adjust-A-Roll - Conveyor Roller Head - 4400CRH Cobra Coolant The non-HF arc start isOld Sumner Part Number 780359 The B&B Sumner Lo Adjust A Roll with conveyor roller head, model 4400CRH, is a low profile folding four leg stand designed for straight line material handling at a 24" working height. The conveyor roller head lets pipe, tube, and other materials travel smoothly in one direction, making it ideal for feeding saws, weld cells, and fabrication or processing lines where clearance is limited. Key Features Lo Adjust A Roll low