Multi-component Merkel seal set for sealing piston rods, consisting of a pressure ring, at least 3 seals and a back-up ring. The Merkel Chevron Seal Sets are available in 3 different designs. Merkel Chevron Type A has 3 to 5 fabric roof-shaped seals and can be installed in adjustable or non-adjustable sealing areas. Merkel Chevron Type B has 3 to 5 fabric roof-shaped seals, one rubber-sprung back-up ring and is installed in non-adjustable sealing areas. Constant axial pre-load. Merkel Chevron Type C has 2 to 4 fabric roof-shaped seals, one rubber seal and can be installed in adjustable and non-adjustable sealing areas. For an enhanced sealing effect. Type A and Type B can be supplied in open form. Type C is always delivered in endless form Seal set for robust operating conditions, mainly for provision of spare parts to old plant. Proven under extreme conditions 1.Long service life 2.Can be optimally adjusted to the related application 3.Functions over a certain time period even with poorer surfaces 4.For application and design-related reasons fluctuations in the leakage behavior and friction behavior are to be expected