API B Pumping Unit-Puyang Zhongshi Group Co.,Ltd

API B Pumping Unit

Brief Introduction
Conventional light API B pump units, balanced by walking beams, are among the most common and most widely used power units in rod production on oil fields.Products comply with Specifications of Pumping Units (API Spec 11E) and other related standards, and have acquired the authorization to use Official API Monogram.
Technical Performance & Characteristics
1. Compact structure, easy operation and maintenance, and extended service life. 　　
2. Reducers are driven by involute or double-arc herringbone wheels and thus can operate stably and reliably. 　　
3. The entire machine is very light and thus can be installed and transported conveniently. 　　
4. It is applicable in shallow oil production with small stroke and light loads.

Technical Parameters

S.N.	Model	Rated polished rod load (lb)	Stroke (in)	Rated torque of reducers (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