Product Main

Specifications

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 Parameter
TC225
TC315
TC450
Max. Hook Load 1bf (kN)
505800(2250)
708200(3150)
1011600(4500)
Qty. and OD of Sheave in
(mm)
5+1
44(1120)
6+1
50(1270)
6+1
60(1524)
OD of Guiding Sheave in
(mm)
50(1270)
60(1524)
72(1829)
Dia. of Wirerope
in(mm)
1(32)
1(35)
1(38)
Overall Dimensions in (mm)
Length
126(3200)
1293/4 (3295)
130(3305)
Width
98.5 (2503)
118.5 (3011)
127.3 (3234)
Height
123.4 (3135)
145.7(3700)
148(3760)
Weight lb(kg)
12707.3(5764)
17592.9(7980)
31497.4(14287)