DW/DN series injection single hydraulic prop can used for supporting the roof of mining coal face independently or associated with metal articulated roof beam. It is suitable for gently inclined seam with a gradient less than 25 temperature. If safety measures are taken, it is also for coal face with gradient up to 25 temperature-below 35 temperature.Besides, it can be used as an end support in a fully mechanized mining cocal face.

Features:1. Light in weight, with high loading capacity,
2.Quick in setting, convenient in recovering. reliable in sealing.
non-supply from power pack and hose system is eliminated, so no draining emulsion while keeps a clean environment, easy operation and convenient management.

The usage of the series DZ Single Hydraulic Prop supplied from power pack is the same as the series NDZ Injection Single Hydraulic prop with emulsion power pack while setting and holding is its holding power is great and conventient and safty to operate..