API B series pumping units

API B series pumping unit is a light conventional beam
pumping unit, which applies beam balance. It is a kind
of ground power equipment commonly used in rod oil
production in the oilfield.
The product conforms to Specification for Pumping Units
(API Spec 11e) and other relevant standards.

Technical performance characteristics：

① Simple structure, convenient for operation and maintenance, long service life.

② With involute or double arc herringbone gear transmission reducer, stable and reliable for operation.

③ The whole machine is light and convenient for installation and transportation.

④ It is suitable for small stroke, light load and shallow well oil production.

Main technical parameters of API B series pumping units：

PRODUCT PARAMETER
Serial number	Model	Rated suspension point load（lbs)	Stroke(in)	Rated torque of reducer （in.lbs)
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-8OD-76-54	7,600	54, 41	80,000
6	B-80D-133-48	13,330	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