Zhongman Petroleum and Natural Gas Group Co., Ltd

• 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

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 sheave	4	4	5	5	6	6	7
Drill line diameter mm(in)	26 (1)	26 (1)	29 (1 1/8)	32 (1 1/4)	35 (1 3/8)	38 (1 1/2)	42 (1 5/8)
Dimension (L x W x H) mm	1500X806 X533	1800X960 X610	2100X960 X630	2294X1190 X630	2680X1350 X974	3075X1600 X800	3100X1600 X965
Weight kg	1810	2200	3010	3805	6842	8135	9600