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API Certified Pumping Units from China - Reliable Suppliers and Factory for Sucker Rod Oil Extraction Systems

The API C-Series pumping units are essential components designed to drive sucker rod pumps, facilitating the extraction of crude oil from oil wells to the surface. As a leading product from China’s premier manufacturers, these pumping units embody state-of-the-art walking beam technology, making them the backbone of efficient sucker rod oil extraction systems, Engineered for optimal performance, our pumping units provide reliable and consistent rod loads ranging from 22 kN to 180 kN, adhering to API 11E Class 2-4 specifications. Built to withstand the toughest onshore conditions, they offer over 99% uptime, ensuring dependable operation. Our products meet the stringent standards of API Spec 11E and come with the prestigious Official API Monogram License, reflecting our commitment to quality and excellence, For those seeking top-tier oil extraction solutions, look no further than our API C-Series pumping units. Partnering with trusted suppliers and a certified factory in China, we deliver exceptional reliability and performance for your crude oil extraction needs

Product Details

The main parts are including: Motor, Reducer box, Crank, Connecting rod, Walking beam, Support frame, Base seat, Brake device, etc.

Type C Specifications

Type	Rated Rod Load (lbs)	Stroke (in)	Rated Torque of Positive Speed Gearboxes (in.lbs)
C-1824D-427-240	42,700	240, 212, 196, 160	1824,000
C-1280D-365-240	36,500	240, 212, 196, 160	1280,000
C-1280D-305-240	30,500	240, 212, 196, 160	1280,000
C-912D-470-240	47,000	240, 212, 196, 160	912,000
C-912D-427-216	42,700	216, 185, 155	912,000
C-912D-427-192	42,700	192, 165, 138	912,000
C-912D-305-192	30,500	192, 165, 138	912,000
C-912D-365-168	36,500	168, 144, 121	912,000
C-912D-305-168	30,500	168, 144, 121	912,000
C-912D-427-144	42,700	144, 123, 102	912,000
C-640D-305-192	30,500	192, 165, 138	640,000
C-640D-305-168	30,500	168, 144, 121	640,000
C-640D-365-144	36,500	144, 123, 102	640,000
C-640D-305-144	30,500	144, 123, 102	640,000
C-640D-256-144	25,600	144, 123, 102	640,000
C-640D-305-120	30,500	120, 102, 84	640,000
C-456D-305-168	30,500	168, 144, 121	57,000
C-456D-305-144	30,500	144, 123, 102	40,000
C-456D-256-144	25,600	144, 123, 102	57,000
C-456D-365-120	36,500	120, 102, 84	40,000
C-456D-305-120	30,500	120, 102, 84	25,000
C-456D-256-120	25,600	120, 102, 84	25,000
C-320D-256-144	25,600	144, 123, 102	320,000
C-320D-256-120	25,600	120, 102, 84	320,000
C-320D-213-120	21,300	120, 102, 84	320,000
C-320D-305-100	30,500	100, 85, 70	320,000
C-320D-256-100	25,600	100, 85, 70	320,000
C-320D-213-86	21,300	86, 71, 56	320,000
C-228D-213-120	21,300	120, 102, 84	228,000
C-228D-173-100	17,300	100, 86, 72	228,000
C-228D-246-86	24,600	86, 71, 56	228,000
C-228D-213-86	21,300	86, 71, 56	228,000
C-228D-200-74	20,000	74, 64, 54	228,000
C-228D-173-74	17,300	74, 64, 54	228,000
C-160D-173-86	17,300	86, 74, 62	160,000
C-160D-200-74	20,000	74, 64, 54	160,000
C-160D-173-74	17,300	74, 64, 54	160,000
C-160D-143-74	14,300	74, 64, 54	160,000
C-160D-173-64	17,300	64, 54, 44	160,000
C-114D-119-86	11,900	86, 72, 59	114,000
C-114D-143-74	14,300	74, 62, 51	114,000
C-114D-173-64	17,300	64, 54, 44	114,000
C-114D-143-64	14,300	64, 52, 40	114,000
C-114D-133-54	13,300	54, 45, 36	114,000
C-80D-119-64	11,900	64, 53, 42	80,000
C-80D-133-54	13,300	54, 45, 36	80,000
C-80D-119-54	11,900	54, 45, 36	80,000
C-80D-133-48	13,300	48, 40, 32	80,000
C-80D-109-48	10,900	48, 37, 25	80,000
C-57D-76-54	7,600	54, 41, 28	57,000
C-57D-109-48	10,900	48, 37, 25	57,000
C-57D-95-48	9,500	48, 37, 25	57,000
C-57D-89-42	8,900	42, 33, 23	57,000
C-57D-76-42	7,600	42, 33, 23	57,000
C-40D-76-48	7,600	48, 37, 27	40,000
C-40D-89-42	8,900	42, 33, 23	40,000
C-40D-76-42	7,600	42, 33, 23	40,000
C-40D-89-36	8,900	36, 28, 20	40,000
C-25D-67-36	6,700	36, 28, 20	25,000
C-25D-56-36	5,600	36, 28, 20	25,000
C-25D-53-30	5,300	30, 20	25,000

Type B Specifications

S.N	Type	Rated Rod Load (lb)	Stroke (in)	Rated Torque of Positive Speed Gearboxes (in.lb)
1	B-80D-119-64	11,900	64, 54	80,000
2	B-80D-76-64	7,600	64, 54	80,000
3	B-80D-133-54	13,300	54, 41	80,000
4	B-80-119-54	11,900	54, 41	80,000
5	B-80D-76-54	7,600	54, 41	80,000
6	B-80D-133-48	13,300	48, 35	80,000
7	B-80D-109-48	10,900	48, 35	80,000
8	B-57D-109-54	10,900	54, 41	57,000
9	B-57D-89-54	8,900	54, 41	57,000
10	B-57D-76-54	7,600	54, 41	57,000
11	B-57D-109-48	10,900	48, 35	57,000
12	B-57D-95-48	9,500	48, 35	57,000
13	B-57D-89-48	8,900	48, 35	57,000
14	B-57D-89-42	8,900	42, 32	57,000
15	B-40D-89-48	8,900	48, 35	40,000
16	B-57D-76-42	7,600	42, 32	57,000
17	B-40D-76-42	7,600	42, 29	40,000
18	B-25D-67-36	6,700	36, 27	25,000
19	B-25D-53-30	5,300	30, 23	25,000
20	B-16D-53-30	5,300	30, 23	16,000

Frequently Asked Questions (FAQ)

What are the main components of a pumping unit?

The primary components of a typical pumping unit include the motor, reducer box, crank, connecting rod, walking beam, support frame, base seat, and brake device. These parts work seamlessly together to provide reliable artificial lift for oil extraction.

What is the difference between Type C and Type B pumping units?

Type C units are generally conventional walking beam pumping units known for their simple structure, high reliability, and ease of maintenance. Type B units are typically beam-balanced pumping units, which are often used for shallower wells and offer different balance characteristics and stroke lengths.

How do I interpret the model numbers (e.g., C-912D-427-240)?

While naming conventions can vary, a standard API model number typically indicates the unit type (C for Conventional), the peak torque rating of the gear reducer (in thousands of in-lbs, e.g., 912), the peak polished rod load (in hundreds of lbs, e.g., 427 = 42,700 lbs), and the maximum stroke length (e.g., 240 inches).

Why are multiple stroke lengths listed for a single model?

Pumping units are designed with adjustable crank pin hole positions. This allows operators to change the stroke length (e.g., 240, 212, 196, or 160 inches) to optimize the production rate based on the specific well's inflow performance and fluid dynamics.

What does the "Rated Rod Load" signify?

The Rated Rod Load is the maximum structural load capacity that the pumping unit's walking beam and horsehead can safely handle. It is crucial to select a unit where the rated rod load exceeds the actual peak polished rod load of your specific well to prevent structural failure.

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