Brief Introduction
API B series Pumping Unit is conventional one, using walking beam as one of a common rod pump used on ground.
The products conform to API Spec.11E "Specification for Pumping Units" and other relative standards, with the certificate of authority to use Official API Monogram.

Technical Performances
1. Simple structure, easy operation and maintenance, and long servicing life;
2. Gear reducer using involute herring-bone gear for smooth running and reliability;
3. Light weight of whole set and convenient for installation and transportation;
4. Suitable in short stroke, light duty and shallow reservoir.

Main Technical Parameter

NO.	Type	Polished Rod Capacity (lb)	Stroke Length (in)	Rated Torque (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