... copper tubes, environmental protection copper water tubes and copper fittings.The main products are: LWC, Pancake Coils, ACR ... Straight Tubes, Capillary Tubes, Copper Water Tubes, Copper Fittings, insulated Copper Tubes and Plasic-coated Copper Tubes. Being ... compliedASME B16.22,EN1254-1(2)Main specification: Solder Joint Copper FittingsASME B16.22SpecificationEN1254-1Specification90°Elbow-SR3/16"--6 ...