6"x9" Dura/Plus Galvanized Chimney Pipe - Dura-Vent's Dura/Plus is an all fuel, triple-wall chimney that combines one layer of ceramic refractory blanket insulation and an airspace to keep the outside wall cool. This also keeps the inside wall hot, boosting efficiency. Dura/Plus is listed to the UL 103HT Standard and carries an impressive 25-year warranty. The outside diameter is approximately 4" larger than it's inside dimension. Dura/Plus features inner liner construction of 430-alloy stainless steel. and is widely used as water gas pipe, telecommunication tubing as well as greenhouse tube for different planting and breeding business.

LDR INDUSTRIES INC CUT LENGTH PIPE Steel 11/2X36 GALVANIZED PIPE. IZE:1-1/2x36" COLOR:Galvanized. replacement of cement, ore sand and slurry delivery, cast - iron and steel piping and agriculture systems and also in chemical industry.
Good resistance to abrasions. Minimal resistance to fluidity. Various and novel construction methods. Here is the slip coupling I designed. It's a cut-off from 1/2" galvanized pipe. It's tapped for three 8 x 32 set-screws. The set-screws will hold it's vetical position on the copper pipe. The hold-down block will thread onto the galvanized pipe. The product uses quality welded tube and advanced galvanizing equipment and technique, high corrosion resistance, with smooth finish, pressure resistance.