Product Introduction
1. Adopt redundant design to provide safe and reliable brake torque for drilling machine.
2. It can realize the functions of working brake, parking brake and emergency brake to meet the requirements of drilling technology to the greatest extent.With power, gas, low oil pressure automatic brake protection function.
3. The HPU is equipped with double electric pumps, four sets of accumulators and manual oil pumps, heaters and cooling devices to provide reliable and continuous hydraulic power.
4. The control system is connected with a valve block embedded structure with few external pipelines.The control mode includes full liquid control and electronic liquid control.
Product Parameters
| Model | PZ30 | PZ40 | PZ50 | PZ70 | DPZ70 | |
|---|---|---|---|---|---|---|
| working clamp | stroke (mm) | 30 | ||||
| single side max pressure (kN) | 50 | 75 | 90 | |||
| safety clamp | single side max pressure (kN) | 50 | 90 | 90 | ||
| brake block | thickness (mm) | 20 | ||||
| min thickness (mm) | 12 | |||||
| HPU | rated pressure (MPa) | 6.5 | 8 | |||
| single pump flow (L/min) | 15 | |||||
| Accumulator capacity(L) | 6.3×4 | |||||
| oil tank (L) | 150 | |||||
| motor power (kW) | 3×2 | |||||
| cooling | water cooling | wind cooling | ||||
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