Model Number

Travelling Block

EATURES OF TRAVELING BLOCK

l        Built to API Spec 8A, being authorized to use the official API monogram;

l        Sheave groove subject to intermediate frequency quenching for better case hardness and longer wireline service life;

l        Sheaves are all equipped with bipyramidal roll bearings with unique oil way to each bearing

l        High strength wireline elevator bails;

The sheave and bearing are interchangeable for those of mated crown block.

SPECIFICATIONS OF TRAVELING BLOCK

THN Model	YC90	YC135	YC170	YC225	YC315	YC450	YC585
Max. hook load kN	900	1350	1700	2250	3150	4500	5850
OD of sheave mm(in)	762(30)	915(36)	915(36)	1120(44)	1270(50)	1524(60)	1524(60)
Qty. of sheaves	4	4	5	5	6	6	7
Dia. Of wifeline mm(in)	26(1)	26(1)	29(11/8)	32(11/4)	35(13/8)	38(11/2)	42(15/8)
Dimension(L×W×H)mm	1500×806×533	1800×960×610	2100×960×630	2294×1190×630	2680×1350×974	3075×1600×800	3100×1600×965