Excavator oil cylinder

Key words：

Hydraulic cylinder

Classification：

Detailed introduction

High-pressure cylinder for medium and large excavators

Serial number	Bore diameter (mm)	Rod diameter (mm)	Stroke (mm)	Pressure (MPa)	Oil port size
1	95	65, 70	1700	34.3	1/2
2	100	65, 70, 75	1700	34.3	3/4
3	105	70, 75	1700	34.3	3/4
4	110	70, 75, 80	1700	34.3	3/4
5	115	75, 80, 85	1700	34.3	3/4
6	120	80, 85	1700	34.3	3/4
7	125	80, 85, 90	1950	34.3	1
8	130	85, 90, 95	1950	34.3	1
9	135	90, 95, 100	1950	34.3	1
10	140	90, 95, 100	1950	34.3	1
11	145	95, 100, 105	1950	34.3	1
12	150	100, 105, 110	1950	34.3	1-1/4
13	160	105, 110, 115, 120	2800	34.3	1-1/4
14	170	110, 115, 120	2800	34.3	1-1/4
15	180	115, 120, 130	2800	34.3	1-1/2
16	190	130, 140	2800	34.3	1-1/2
17	200	130, 140, 150	2800	34.3	1-1/2
18	215	130, 140, 150	2800	34.3	1-1/2
19	230	130, 140, 150	2800	34.3	1-1/2

　　Mainly developed for use in medium and large excavators, high-durability high-pressure cylinders. Suitable for maximum operating pressure of 34.3MPa and operating temperature of -20℃ to 100℃ (for cold regions, specifications are -40℃ to 90℃).

Medium-pressure cylinder for small excavators

Serial number	Bore diameter (mm)	Rod diameter (mm)	Stroke (mm)	Pressure (MPa)	Oil port size
1	70	45, 50	730	27.5	M26×1.5
2	75	45, 50	900	27.5	M26×1.5
3	80	45, 50	900	27.5	M26×1.5
4	85	50, 55	900	27.5	M26×1.5
5	90	55, 60	1150	27.5	M26×1.5
6	95	60, 65	1150	27.5	M26×1.5 M30×2
7	100	60, 65	1150	27.5	M26×1.5 M30×2
8	105	65, 70	1150	27.5	M26×1.5 M30×2
9	110	65, 70	1350	27.5	M26×1.5 M30×2
10	115	65, 70	1350	27.5	M26×1.5 M30×2
11	120	70, 75, 80	1350	27.5	M26×1.5 M30×2
12	125	70, 75, 80	1350	27.5	M26×1.5 M30×2

　　Mainly developed for use in small excavators, high-durability medium-pressure cylinders. Suitable for maximum operating pressure of 27.5MPa and operating temperature of -20℃ to 100℃ (for cold regions, specifications are -40℃ to 90℃).

Medium-pressure cylinder for mini excavators

Serial number	Bore diameter (mm)	Rod diameter (mm)	Stroke (mm)	Pressure (MPa)	Oil port size
1	50	25, 30	800	27.5	M22×1.5
2	55	30	800	27.5
3	60	30, 35	800	27.5
4	65	40	800	27.5
5	70	35, 40	800	27.5
6	75	40, 45	800	27.5	M26×1.5
7	80	45, 50	800	27.5
8	85	45	800	27.5
9	90	50, 55	800	27.5
10	100	55, 60	1400	27.5	M30×2
11	110	65, 70	1400	27.5
12	120	75, 80	1400	27.5

　　Mainly developed for use in mini excavators, high-durability medium-pressure cylinders. Suitable for maximum operating pressure of 27.5MPa and operating temperature of -20℃ to 100℃ (for cold regions, specifications are -40℃ to 90℃).

None

Beijing Changyu Lihua Hydraulic System Engineering Co., Ltd.

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