All the materials used in the manufacture of this product have been chosen for their resistance to corrosion The Vela self contained drive unit consists of: An electric motor and fluid pump sitting in an oil (bath) reservoir These are coupled to the rotary drive unit and a valve block. The beam is balanced by an adjustable spring.

All the materials used in the manufacture of this product have been chosen for their resistance to corrosion The Vela self contained drive unit consists of: An electric motor and fluid pump sitting in an oil (bath) reservoir These are coupled to the rotary drive unit and a valve block. The beam is balanced by an adjustable spring.