Merkel Chevron Seal set for robust operating conditions, predominantly the provision of spare parts for older plant. Merkel Chevron Seal Set EK, EKV can be used for pistons with pressure on one side or "back to back" for pistons with pressure on both sides. 1.Merkel Chevron Proven under extreme conditions High durability 2. Merkel Chevron Can be optimally adjusted to the related application 3. Merkel V Packing Functions over a certain time period even with poorer surfaces 4. Merkel V Packing Insensitive to soiling 5.For application and design related reasons, fluctuations in the leakage behavior and in the friction behavior are to be expected