Material:Copper Technics:Forged Type:Coupling, Reducer, Elbow, Tee, Reducing Tee Connection:Welding Shape:Equal & Reducing Head Code:Round Standard1:ACR (Basic ANSI B16.22) Standard2:Higher ANSI B16.22 (Size & Quality is very close to Mueller Standard3:C Series (Chinese Standard) Standard4:BS EN 1254-1 Show More