Main Products: Petroleum Equipments
Crown Block TC450
Negotiable /Set
Min.Order:1 Set
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Sinotai Petroleum Equipment Co., Ltd.
Credit Member 4 years 
Business Type: Trading Company
Shandong ChinaMain Products: Petroleum EquipmentsProduct Details
Crown Block
Features:
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 til made of high strength steel shapes & plates ted to counteract traveling
block’s torque. The side plate assembly is faced
with derrick man for ease of picking off & suspending
elevators.
The sheave grooves are intermediate frequency
quenched so as to improve surface hardness and
extend service lift of sheaves.
All sheaves had double-row conical roller bearings
and each bearing has individual lubricating channel.
The rope guard prevents the wire rope from running
out of the sheaves grooves.
Equipped with wooden bumper blocks and retainer net.
Equipped with a gin pole for use in repairing the sheaves cluster.
Equipped with sand line sheaves and auxiliary sheaves.
The sheaves and the bearing are interchangeable with those of matching travelling block.
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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