The useful length of the tubes is 202 mm, the total length is 250 mm The inner wall made of AISI 316 steel guarantees high corrosion resistance. The intermediate layer with insulating function is made of basalt mineral wool with fibers in an eradical arrangement of high density with a thickness of 25 mm Insulation made from rock wool of minimum density 90 kg/m3 with a thickness of 25 mm ASTM A789 UNS 31260 Duplex Stainless Steel Pipe supplier Stainless Steel Flue Pipe 250 Mm 6" Single Skin Section - Bushman Wood 250mm Flue Section The size of the diameter shown in the selections refers to the inner diameter and the second to the outer diameter. Free delivery and returns on all eligible orders. Shop AISI 316 Stainless Steel Double Walled Pipe Length 250 mm, Flue Pipe with Rock Wool Insulation (130-180 mm The elements must be installed according to the smoke direction indicated on the label of each product. Inner wall made of stainless steel AISI 316 L with a thickness of 0., 5 mm
