Single-stage, self-locking worm gear. Housing of high-grade cast iron, steel gear, wearing parts hardened.
Version 52108 with chain wheel KKR 01 and manual chain HKE for operating high-positioned ventilation shafts. HKE 96 round steel manual chain, galvanised, in various lengths LK (see Accessories, order separately).
Version 52110 for long crank (tube by customer) with 90° turned fastening.
minimum order quantity 5 pcs