This standard specifies the classification of cone-sealed welded cylindrical pipe thread 90° elbow joints. This standard is applicable to cone seal welded cylindrical pipe thread 90° elbow joints in pipeline systems using oil and gas as media. Nominal pressure pN≤25MPa, working temperature -25~+80℃.
JB/T 6382.2-1992 history
2007JB/T 6382.2-2007 Welding cone couplings 90 degree syphon male stud couplings with G-type pipe threads