Oilfield Drawwork
Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level oilfield drawwork manufacturers and suppliers,Website:, with professional factory, we are able to produce API and oilfield jc 40 drawwork, jc50 drawwork, jc70 drawwork, welcome to contact us.
TECHNICAL FEATURES
*There are two different kinds of drawworks,internal transmission and external transmission.
*All of the bearing use roller bearings ,and shaft materials are high quality steel.
*Chain use forced lubrication.
*Drum has EBGS Groove and LEBGS Groove,Drum use pneumatic tyre clutch. Break use circulating forced cooling.
Main break uses hydraulic disc break and belt brake,and the auxiliary brake use whirlpool brake or water break.
TECHNICAL PARAMENTR OF DRAWWORKS
Model
JC15DB
JC30B
JC40DB
JC50D
JC50DB
JC70DB
Nominal drilling depth
(4 1/2’’ DP)m
1500
3000
4000
5000
5000
7000
Rated.input power kW
500
400
800
1100
1100
1470
Max.pulling of fast-line kN
150
200
280
350
350
487
Diameter of wire rope mm
26
29
32
35
35
38
Drum size (D×W)mm
473×900
560×1120
644×1208
770×1310
770×1310
770×1434
Sand drum size (D×W)mm
-
-
400×1080
400×1320
-
-
Sand drumcapavity m
-
-
4000
5000
-
-
Hoisting speeds
2F+2R
4F+1R
4F+4R
4F+4R
1F+1R
1F+1R
Speeds for cathead shaft
-
-
2
2
2
-
Auxiliary brake
FDWS15
FDWS30
FDWS40
FDWS50
Regenerating brake
Regenerating brake
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