Does not require pumping and piping systems, auxiliary equipment, low cost; 3. Mains and pumping stations in the absence of local still use, flexibility, easy management and simple;
Prop valve is fully installed in the Steel Acrow Props cavity , the possibility of contamination by outside the small, high reliability.
Should be used to meet the requirements of the MT76 emulsion. The emulsion should be kept clean, and replaced in time to prevent damage to the friction surface of the jack and affect the sealing effect;
Steel Acrow Props system for the closed system, hydraulic oil does not spill, do not pollute the environment, environmental protection, and face the production of small, well maintained face environment, better working conditions;
The working fluid of Underground DN Inner Injection Single Hydraulic Prop is the 5th hydraulic oil, back to the column when the hydraulic oil flow back into the cylinder plunger cavity to form a closed loop;