Travelling Block

 

Features
  • Side board is thick steel plate and heavy enough to keep wireline tight during lifting and lowering for easy spooling and no-load lowing of the hook and longer wireline service life.
  • Sheave groove subject to intermediate frequency quenching for better case hardness and longer wireline service life
  • Sheave is equipped with double cone roller bearing, each has independent oil passageway
  • Alloy steel shaft with oil port to each sheave bearing
  • Heavy-duty wireline guard
  • High strength wireline elevator
  • The sheave and bearing are interchangeable to those of mated crown block
  • Built to API 8A, have the certificate of authority to use the official API monogram
  • Specification
 
YC135
YC170
YC225
YC315
YC450
YC585
YC675
YC900
Max. hook load KN
1350
1700
2250
3150
4500
5850
6750
9000
OD of sheave
mm(in)
915
(36)
915
(36)
1120
(44)
1270
(50)
1524
(60)
1524
(60)
1524
(60)
1830
(72)
Qty. of sheave
4
5
5
6
6
7
7
7
Drill line diameter
mm(in)
26
(1)
29
(1 1/8)
29,32
(1 1/4)
32,35
(1 3/8)
35,38
(1 1/2)
42
(1 5/8)
 
45
 
 
48
 
Dimension (L x W x H) mm
1800×960
×610
2000×1004
×630
2294×1190
×630
2580×1350
×800
3075×1600
×800
3100×1600
×965
3010×1605
×980
3740×1920
×1280
Weight kg
2200
2790
3805
6842
8135
9600
9738
18225