• TC225 Crown Block
  • TC225 Crown Block
  • TC225 Crown Block
  • TC225 Crown Block

TC225 Crown Block

ModelTC225

KN2250

US Ton250

Description

Design Features

The drilling line is reeved in parallel.

The crown frame is made of high strength steel shapes & plates. The lug plate for top drive is provided. It is equipped with metal base plate, handrail, and toeboard. A ladder has an opening.

A deviation fast-line sheave.

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.

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 rubber bumper beams.

Equipped with a gin pole for use in repairing the sheaves cluster.

Equipped with sand line sheaves and auxiliary sheaves

The crown blocks conform to API Spec. 4F, 8A/8C.

Specifications of Crown Blocks

Model Max. hook load O.D of sheave

Number

wire rope Dia Size Weight
KN

US Ton

mm

in

of sheaves

mm in mm in

kg

lb

TC225

2250

250

1120

44

6

32

1 1/4

3200*3347*3640

126*132*143

5,310

11,710

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