API C series Pumping Units is a kind of conventional walking beam pumping units, it’s the ground power equipment used in sucker rod oil extraction. The products conform to API Spec. 11E“ Specification for Pumping Units”, and the relative standards, acquired the authorization to use Official API Monogram. Technical Performances 、Strength of critical parts is calculated with the finite element analysis，High reliability. simple operation, easy maintenance, long servicing life. 2、Gear reducer is involute herring-bone gearing, working smoothly and reliably. 3、Modularized design, it has high degree of standardization, commonality and seriation with the spare parts. Main Technical Parameter
No
Type
Polished Rod Capacity （lbs）
Stroke Length （in）
Rated Torque （in.lbs）
Rated Torque （in.lbs）
1
CYJ3-1.5-9HB
30
1.5/1.2/0.9
6/9/12
9
2
CYJ4-1.5-9HB
40
1.5/1.2/0.9
6/9/12
9
3
CYJ5-1.8-13HB
50
1.8/1.5/1.2
6/9/12
13
4
CYJ8-2.5-26HB
60
2.5/2.0/1.5
6/9/12
26
5
CYJY12-4.8-73HF
120
4.8/3.6/2.5
4/5/6
73
6
CYJY14-4.8-73HF
140
4.8/3.9/3.1
4/5/6
73
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