Crown Block

Crown Block
Crown Block
Crown Block
Crown Block

The crown block is a drilling rig component that is a stationary section of the oil rigthat houses a set of pulleys or sheaves where the drill line is threaded.

Features
1. Designed and manufactured in compliance with API 4F and 8C.
2. A central lubrication point is provided.
3. Line guards and 8" square rubber bumper blocks are installed at the crown block base.

Specification
Model   TC135 TC170 TC225TC315TC450 TC585 TC675
Max. hook load KN 1350 1700 2250 3150 4500 5850 6750
OD of fast sheave mm/in 915(36) 1005(40) 1120(44) 1524(60) 1829(72) 1829(72) 1829(72)
OD of sheaves mm/in 915(36) 1005(40) 1120(44) 1270(50) 1524(60) 1524(60) 1524(60)
Number of sheaves   5 6 6 7 7 8 8
Dia. Of wire line mm/in 29(1 1/8) 29(1 1/8) 32(1 1/4) 35(1 3/8) 38(1 1/2) 42(1 3/8) 45(1 3/4)
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