Click on the image to check the artwork
By certification 
Model ZJ30DB
Nominal drilling depth m 3000（41/2″drilling pipe）
Maximum hook load KN 1700
Drawworks horsepower KW 500
Traveling sheave 5×6
Hook speed m/s 0~1.3m/s
Main rope diameter mm φ29
Driving winch form AC motor speed control
Derrick steel structures K erect type
Maximum load KN 1700
Effective height m 41
Lifting way Mechanical erection
Wind loading rating km/h 130（No-load，No-tribble）
Relative humidity 98%
Temperature ℃ -40~45
Altitude m ≤2000
Weight of main frame t 167
Nominal drilling depth m 3000（41/2″drilling pipe）
Maximum hook load KN 1700
Drawworks horsepower KW 500
Traveling sheave 5×6
Hook speed m/s 0~1.3m/s
Main rope diameter mm φ29
Driving winch form AC motor speed control
Derrick steel structures K erect type
Maximum load KN 1700
Effective height m 41
Lifting way Mechanical erection
Wind loading rating km/h 130（No-load，No-tribble）
Relative humidity 98%
Temperature ℃ -40~45
Altitude m ≤2000
Weight of main frame t 167
