Crown Block Main sheave diameter 19.68 (in) Fastline sheave diameter 24.02 (in)
Brand Name:ATO
Minimum Order Quantity:1
Delivery Time:10-15 WORK DAYS
Payment Terms:L/C, T/T
Place of Origin:CHINA
Supply Ability:10 PIECES PER MONTH
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15th/F,Unit1,BLDG#2,Xi'an West OE Park,77 Keji Er Road, Hi-tech Zone, Xi’an, China 710075
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Crown Block Main sheave diameter 19.68 (in) Fastline sheave diameter 24.02 (in)
Descriptions of Crown Block Main sheave diameter 19.68 (in) Fastline sheave diameter 24.02 (in):
The crown frame is made of high strength steel shapes & plates.
The lug plate for top drive is provided. The crown block is
equipped with metal base plate, handrail, and toeboard. A ladder
has an opening.
A deviation fast-line sheave.
The sheave cluster is titled to counteract traveling block's
torque. The side plate assembly is faced with derrickman for ease
of picking off & suspending elevators.
The sheave grooves are intermediate frequency quenched so as to
improve surface hardness and extend service life of sheaves.
All sheaves have double-row conical roller bearings and each
bearing has individual lubricating channel.
The rope guard prevents the wire rope from running out of the
sheave grooves.
Equipped with wooden bumper blocks and retainer net.
Equipped with a gain hole for use in repairing the sheaves cluster.
Equipped with sand line sheaves and auxiliary sheaves.
The sheaves and the bearings are interchangeable with those of
matching travelling block.
The crown blocks conform to API 4F 8A/8C.
Specifications :
| Model | Travelling system | Drilling line diameter (in) | Load (lbf) | Main sheave diameter (in) | Fastline sheave diameter (in) | Sandline sheave diameter (in) | Overall Dimension(ft) | Self-weight(lb) |
| TC60 | 3×2 | 7/8 | 134885 | 19.68 | 19.68 | 5.37×4.36×4.89 | 1305 | |
| TC70 | 4×3 | 7/8 | 157366 | 24.02 | 24.02 | 4.86×2.05×2.07 | 1598 | |
| TC90C | 4×3 | 1 | 202328 | 24.02 | 24.02 | 4.46×3.28×4.1 | 1764 | |
| TC135 | 4×3 | 1 | 303492 | 29.92 | 36.02 | 6×4.95×4.27 | 2866 | |
| TC158 | 5×4 | 1；1 1/8 | 355198 | 29.92 | 36.02 | 19.68 | 7.64×4.69×4.82 | 3263 |
| TC158 | 6×5 | 1；1 1/8 | 355198 | 29.92 | 36.02 | 19.68 | 7.64×5.38×4.82 | 3472 |
| *TC160 | 4×3 | 1 1/8 | 359694 | 36.02 | 36.02 | 19.68 | 2.23×3.23×3.41 | 4393 |
| *TC170C | 5×4 | 1 1/4 | 382175 | 36.02 | 44.09 | 15.75 | 7.97×3.28×4.43 | 6095 |
| *TC180D | 6×5 | 1 1/4 | 404656 | 36.02 | 36.02 | 8.14×2.7×3.18 | 4574 | |
| *TC225 | 6×5 | 1 1/4 | 505820 | 44.09 | 50 | 8.14×2.7×3.18 | 12306 | |
| TC225 | 6×5 | 1 1/4 | 505820 | 36.02 | 36.02 | 19.68 | 6.56×4.59×4.43 | 5158 |
| *TC315 | 7×6 | 1 3/8 | 708148 | 50 | 60 | 30 | 12.84×10×9.24 | 19294 |
| *TC450 | 7×6 | 1 1/2 | 111640 | 60 | 60 | 29.92 | 11.38×10×9.8 | 21459 |
Crown Block Main sheave diameter 19.68 (in) Fastline sheave diameter 24.02 (in)
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