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Help CenterAPI 4f & 8a Standard Crown Block TC225 With Best Service
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Specifications
1.high strength steel shapes & plates2. A deviation fast-line sheave.
3.sand line sheaves and auxiliary sheaves
Specifications
Drilling Rig Low Air Pressure Portable Crawler Crown Block
1.ISO certification drilling rigs
2.Top quality in china
3.API 8A
Crown Block
Features:
1.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.
2.A deviation fast-line sheave.
3.The sheave cluster is tilted to counteract traveling block’s torque. The side plate assembly is faced with derrick man for ease of picking off & suspending elevators.
4.All sheaves had double-row conical roller bearings and each bearing has individual lubricating channel.
5.The rope guard prevents the wire rope from running out of the sheaves grooves.
6. Equipped with a gin pole for use in repairing the sheaves cluster.
7. Equipped with sand line sheaves and auxiliary sheaves.
8. The sheaves and the bearing are interchangeable with those of matching travelling block.
9. The crown blocks conform to API Spec. 4F,8A/8C and API monogram is permitted to be used.
The main technical performance and specification for crown block
Model |
TC90 |
TC158 |
TC170 |
TC225 |
TC315 |
TC450 |
TC585 |
TC675 |
TC675H |
TC900 |
|
|
Max. hook load KN(lbs) |
900 (200000) |
1580 (351111) |
1700 (374000) |
2250 (500000) |
3150 (700000) |
4500 (1000000) |
5850 (1300000) |
6750 (1500000) |
6750 (1500000) |
9000 (2000000) |
|
|
Dia. of wire line mm(in) |
26(1”) |
29(1-1/8”) |
29(1-1/8”) |
32(1-1/4”) |
35(1-3/8”) |
38(1-1/2”) |
38(1-1/2”) |
45(1-3/4”) |
38(1-1/2”) |
48(1-7/8”) |
|
|
OD of sheave mm(in) |
762(30”) |
915(36”) |
1005(40”) |
1120(44”) |
1270(50”) |
1524(60”) |
1524(60”) |
1524(60”) |
1524(60”) |
1829(72”) |
|
No. of sheave |
5 |
6 |
6 |
6 |
7 |
7 |
7 |
8 |
8 |
8 |
|
|
Size mm |
Length |
2580 |
2220 |
2620 |
2667 |
3192 |
3410 |
3625 |
4650 |
5180 |
4217 |
Width |
2076 |
2144 |
2203 |
2709 |
2783 |
2753 |
2832 |
3340 |
3642 |
3606 |
|
Height |
1578 |
1813 |
1712 |
2469 |
2350 |
2420 |
2580 |
2702 |
2904 |
3146 |
|
|
Weight Kg |
3000 |
3603 |
3825 |
6500 |
8500 |
11105 |
11310 |
13750 |
19700 |
19150 |
|
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