Material:Stainless Steel Technics:Forged Type:Coupling Connection:male, female or press Shape:equal or reducing Head Code:round Material:sus 304,316,or 316L Surface:original steel Usage:Oil, Gas , water, steam transporation Standard:DIN (German standard) Size:DN15-DN100 Outer diameter:18mm-108mm coating:optional plastic coating as mark Certificate:ISO9001:2008, ISO14001, CE Warranty:50 years Show More