Hydraulic Complete Disk Brake Drilling Rig Drawworks 35-440 kN·m Torque with Multiple Cooling Options

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Product Description

Product Overview

The PSK series Hydraulic Complete Disk Brake is engineered for drilling and workover rig operations, delivering reliable braking performance across various working conditions including land, ocean, desert, and low-temperature environments.

System Components

Brake execute unit
Hydraulic power unit
Operating control device
Connecting lines and cables

Braking Functions

Service braking: Controls braking force via handle for drill bit feeding and tripping operations
Parking braking: Temporary suspension for drilling and workover rigs
Emergency braking: Immediate response for critical situations
Accumulator braking: Short-term emergency braking during hydraulic power failure
Protection braking: Comprehensive safety features including over-wind anti-collision, anti-smashing, power failure, gas interruption, and pressure loss protection

Key Features

Strongest braking capacity in China with sufficient reserve coefficient
Multiple clearance adjustment methods: hydraulic, fat injection, thread mechanical, and hydraulic automatic compensation
Compact brake caliper design for easy installation and maintenance
Optimized braking control curve with high accuracy for remote automatic control
Serialized and standardized for various drilling conditions
Multiple brake disc types: air cooling, water cooling, and strong cooling variants
Configurable hydraulic power units for combined equipment supply
Custom brake blocks with excellent friction performance and easy replacement
Global component sourcing ensures equipment reliability

Technical Specifications

Disk Brake Model	PS440	PS295	PS240/4	PS165/3	PS140	PS75	PS50	PS40	PS35
For Drilling Rig	ZJ120	ZJ90	ZJ70	ZJ50	ZJ40	ZJ30	ZJ20	ZJ15	ZJ10
Working Brake Torque (kN·m)	440	295	240	165	140	75	50	40	35
Parking Brake Torque (kN·m)	360	225	130	100	70	60	50	30	25
Emergency Brake Torque (kN·m)	800	520	370	265	210	135	100	70	60
Brake Disk Diameter (mm)	2200	1900	1650	1600	1500	1450	1300	1200	1100
Working Caliper Quantity	6	6	6	4	4	2	2	2	2
Safety Caliper Quantity	4	4	2	2	2	2	2	1	1

Additional Specifications

System Pressure: 7-9 MPa
Power Producer: Electronically/Hydraulic/Combination hydraulic station
Working Medium: HM46# antiwear hydraulic oil (10°C-60°C), HM32# antiwear hydraulic oil (-20°C-10°C), HM10# aviation hydraulic oil (-45°C-20°C)
Control Method: Electrohydraulic control / Liquid control / Automatic drilling control