Need to consider comprehensively:
1. Pressure resistance level, pressure drop, pipe diameter, flow rate, etc;
2. Flexible connections under different geological conditions;
3. High and low pressure under conveying distance;
4. Joint.
The use of steel pipes instead of traditional rubber hoses for fluid supply solves the problem of blockage in the hydraulic support fluid supply system caused by the detachment of the rubber layer on the inner wall of the hose, and reduces the maintenance and replacement cost of the hydraulic system.
There are multiple forms to choose from, with different applicability ranges.