Products_RG PETRO-MACHINERY GROUP CO. LTD.

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Hydraulic disc brake

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.

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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
working clamp	single side max pressure (kN)	50	75	90
safety clamp	single side max pressure (kN)	50	90	90
brake block	thickness (mm)	20
brake block	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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