... OEM requires optional Copper DistributorRefrigeration manifold, copper pipe manifold, copper distributor, coil manifold, air conditioner coil manifold, copper manifold, air conditioner ... TP2. The flat degree of the pipe winding part is 90%-106% of its diameter, the rate of ourt thinkness ... is no folding lines inside. While the winding angle is 90°, the tolerance is ≤ ±1.5°. The vertical tolerance of ...