The Turcon® VL-Seal® has been developed over the last few years as a new generation, unidirectional rod and piston seal. The design is based on the latest sealing theories and practical experience, tested both in-house and in conjunction with customers, to give optimised performance. The design features the Stepseal® back pumping effect. The Turcon® VL-Seal®™ uses standard sized O-Rings and are offered to suit MIL-G-5514F and AS4716 grooves.