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Brief introduction
CYJ series Pumping Unit is conventional one, using crank balanced beam as one of the most common and widely used rod pump on ground.
The products conform to API Spec 11E "Specification for Pumping Units", SY/T5044 "beam pumping units," and other relative standards, with the certificate of authority to use Official API Monogram.
In addition to the production of conventional beam pumping unit, the energy consumption was required to meet the oil field, the following models of pumping units have been developed: out-phase walking beam pumping units, double horse head pumping units, crown sheave pumping units, swing rod pumping units and other energy-saving pumping units.
Technical Features
1. Modularized design and modeled fabrication, optimized structure, the spare part adopts “standardization, Generalization and Series”;
2. FEA used in key component design, for its stabilized performance, and high reliability;
3. The involute herringbone gear used for smoothly operation and reliability, with good seal, low noise, stable operation, reliability, and durability;
4. Featuring simple operation, easy maintenance, and long servicing life.
Main Technical Parameters

No.	Model	Rated polished rod load (kN)	Stroke length (m)	Strokes (rpm)	Rated reducer torque (kN.m)
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	CYJ5-2.5-13HB	50	1.8/1.5/1.2	6/9/12	13
4	CYJ6-2.5-18HB	50	2.5/2.0/1.5	6/9/12	18
5	CYJ6-2.5-26HB	60	2.5/2.0/1.5	6/9/12	26
6	CYJ8-3-37HB	80	3/2.5/2.0	6/9/12	37
7	CYJY10-4.2-53HF	100	4.2/3.5/2.8	5/6/8	53
8	CYJY12-4.8-73HF	120	4.8/3.6/2.5	4/6/8	73
9	CYJB12-4.8-53HB	120	4.8/3.9/3.0	4/6/8	53
10	CYJBG12-4.8-53HB	120	4.8/4.2/3.6/3.0	4/6/8	53
11	CYJBG14-4.8-53HB	140	4.8/4.5/4.2/3.9/3.6/3.3	4/5/6	53
12	CYJY14-4.8-73HF/A	140	4.8/3.9/3.1	4/6/8	73
13	CYJY14-4.8-73HF/B	140	4.8/3.9/3.1	4/5/6	73
14	CYJY14-4.8-73HF/C	140	4.8/3.9/3.1	4/6/8	73
15	CYJY16-5.4-89HF	160	5.4/4.5/3.6	4/5/6	89
16	CYJY16-5.4-89HF/B	160	5.4/4.5/3.6	4/5/6	89