This part of TB/T 3244 stipulates the structural type, size, technical requirements, test methods, inspection rules and markings of double pipe clamps for fixed pipes of different specifications with outer diameters from Φ6mm to Φ42mm. This section applies to double pipe clamps for rolling stock and EMU piping systems. Combined pipe clamps for urban rail vehicles can be used as a reference.
TB/T 3244.4-2010 history
2010TB/T 3244.4-2010 Combined pipe clamp for rolling stock Part 4:Clamp for two pipes