Thyssen Elevator K200 K300 door Vane SK40 SK50 large and small door Vane Fermator elevator door Vane

The door knives of K200 and K300 have different thicknesses. The thicker one is K300, which is commonly used at present. The K200 is the thin one. This is the one from Fermator. There are differences between large door knives and small door knives. If you are not sure, please contact us.