51 Adaptor - Regulator Tank Adaptor Carbon Arc Gouging The discs are 1/2 inch

The discs are 1/2 inch thick with resin coated paper backing

Compatible with standard acetylene cutting tip adaptors

It can be used to heat with Acetylene or Mapp gases with the 43-2 and weld or heat with LP

Propane or Propylene Gas Setup Options include 2393-1F thru size 5F Tip Tubes for heating only with 2290H and HPM (sizes 1-4)

51 Adaptor - Regulator Tank Adaptor Carbon Arc Gouging The discs are 1/2 inchThe 51 regulator adaptor is designed to adapt a commercial acetylene regulator with CGA 300 to a POL acetylene tank with CGA 510. CGA 510 is also the same fitting that is on LP or propane tanks, so sometimes this fitting is required when switching from acetylene to propane.