... SGS approval 3. ISO9001 quality certificate 4. OEM requires optional Tripod Copper U BendCopper fitting, cu fitting, pipe fitting, copper pipe ... conditioner fitting, copper return bend, u bend, y bend, copper tripod, cu u bend with rings, copper manifold, copper distributor, ... ≤ ±1.5°.The vertical tolerance of the section is ≤ 3°. The circular tolerance of the section is ≤ ±0.15mm. The surface is ...