Z19A type expansion joint sleeve is the main product of our company, which has attracted much attention in the industry. The Z19A type expansion coupling sleeve has the characteristics of long service life and high strength. The Z19A type expansion coupling sleeve relies on friction transmission, and there is no keyway weakening to the coupling parts, and there is no relative movement, and there will be no wear during work.
Z18 type expansion coupling sleeve is our company's excellent quality product, which is widely used as a basic part of mechanical connection under heavy load.The mechanical transmission parts produced by our company have become popular among many merchants due to their high product quality, delivery time and excellent service.
The Z17A type expansion coupling sleeve is composed of an open double-cone inner ring, an open double-cone outer ring and two double-cone compression rings.Tighten with hexagon socket bolts. When tightening, the elastic ring does not move axially with respect to the hub. The same pressing force can generate a large radial pressure and transmit a large load.