Why would you exert yourself lifting heavy covers and manholes?

Discover the Esma balancing hinge, the easiest solution in the world for opening and closing lids with a constant weight.

Our balancing hinges operate with high precision and are infinitely adjustable within a specific range. This ensures they remain in any desired position. The hinge has an opening angle of 90 or 180°, depending on the type. The torque can vary from 30 Nm to 10,000 Nm. The hinges operate mechanically and require minimal space behind the boiler. No space behind the boiler? No problem; the balancing mechanism can also be mounted on the lid. Finally, the stainless steel construction limits maintenance to an absolute minimum.