Crown Block

Brief Introduction

Crown Block is a component part of hoisting system of drilling rig.The products conform to API Spec.4F, 8A, acquired the certificate of authority to use the official API monogram.
Technical Features

1.The sheave groove are quenching treated, anti-abrasion and long service life.
2.Equipped with wirerope ward device, prevent the wirerope from bouncing or falling off.
3.Equipped with bumping wood and protective net.
4.Equipped with gin pole for block servicing.
5.Equipped with sand block and assistant block.
Main technical specifications 

Model

 

TC135

TC170

TC225

TC315

TC450

TC585

Max hook load

KN

1350

1700

2250

3150

4500

5850

US Ton

150

200

250

350

500

650

Sheave O.D

mm

915

1005

1120

1270

1524

1524

in

36

40

44

50

60

60

Sheave Qty

 

5

6

6

7

7

8

Wire rope Dia

mm

26

29

32

35

38

42

in

1

1 1/8

1 1/4

1 3/8

1 1/2

1 5/8


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