Main Hydraulic and Pneumatic Components
QB21-60 and QB21-80 Crankshaft Plunger Pumps
JYS21-25 and JYSQ21-25 Relief Valves
JYSQM21-25 Relief Valve
QYB 40-120L Pneumatic Pump
34ZS21-25 3-position and 4-way Rotary Valve
Main Electrical Components
BQD6-T Magnetic Starter
BKX6-T Explosion-proof Control Box
FBYK-165 Explosion-proof Pressure Controller
A7-3136-4021 Driller's Control Cabinet/Auxiliary Driller's Control Cabinet
