Vertical Lay System (VLS) 4-track tensioner frame, operational in both 2-track and 4-track mode. Max pull in 4-track mode 275 t including 1.2 dynfactor. Nominal line pull 230 t at 19 m/min payout speed; reduced line pull 117 t at 32 m/min. Six sets of tensioner pads varying in size and contact angle. Capable of handling product from 50 to 630 mm OD.