Trelleborg POLYPAC® - Veepac is a set of fabric reinforced Chevron rings comprising of a support ring , sealing rings and a pressure energising ring . In the packing set the energising axial force is transferred between the individual packing rings so that each ring is pressed into positive contact with the rod surface. Additional to the standard material special material grades are available for a large variety of working conditions.--Veepac seals are sets of fabric reinforced chevron rings. They are composed by a support ring, "V" shaped sealing rings and a pressure energizing ring.