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Products
Product type:Oil Production Equipments and Parts--Rod Pumping System
 
Name:Conventional Beam Pumping unit
Item:ydaer_1
Description:
     Conventional beam pumping unit has advantage of simple structure, reliable performance, easy to install and maintain. Conventional API C pumping units with walking beams, balanced by cranks, 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.
 

 
1. Carrier Bar & Wire Line
8. Equalizer
15. Handle Brake Assembly 
2. Horse Head
9. Pitman Arm
16. Standard Base
3. Walking Beam
10. Crank Arm
17. Hi Motor Base
4. Samson Post
11. Counter Weight
18. Belt Guard
5. Ladder
12. Crank Pin Assembly
19. Crank Guard
6. Center Bearing
13. Gear Reducer
20. Lubrication Assembly 
7. Tail Bearing
14. Drum Brake Assembly
21. Cross Bar & Anchors
 
 
Characteristics of this kind of pumping unit
1. Pumping units conform to API Sepc.11E
2. The structure is simple and reasonable, it works smoothly with lower noise,easy to install and maintain
3. Walking beam is a box or welded H steel beam with high strength, good rigidly and heavy capacity.
4. Gear reducer uses herringbone involutes or double circular-arc gears with high bearing capacity and long working life
5. Horse head with swinging device move side or upwards is flexible and convenient for well workover
6. Central bearing and equalizer bearing feature heavy duty and reliable seal by adopting medium and wide series roller bearing
7. Self-aligning bearing is used on equalizer to reduce mounting error and operating vibration
8. Internal expansion or external contracting brake with safety device is easy, quick and effective for operating.
Technical specification:
No.
Model
Torque rating
Rated Structure Capacity
Stroke length(in)
Stroke frequency(min-1)
(lbf.in)
(lbf)
1
C912-305-192
912,000
30,500
192
165
139
4
6
8
2
C912-365-168
36,500
168
145
124
5
7
9
3
C912-305-168
30,500
168
145
124
5
7
9
4
C640-305-168
640,000
30,500
168
145
124
5
7
9
5
C640-365-144
36,500
144
124
106
6
8
10
6
C640-305-144
30,500
144
124
106
6
8
10
7
C640-256-144
25,600
144
124
106
6
8
10
8
C456-305-168
456,000
30,500
168
145
124
5
7
9
9
C456-305-144
30,500
144
124
106
6
8
10
10
C456-256-144
25,600
144
124
106
6
8
10
11
C456-256-120
25,600
120
102
85
6
9
12
12
C320-256-144
320,000
25,600
144
124
106
6
8
10
13
C320-256-120
25,600
120
102
85
6
9
12
14
C320-213-120
21,300
120
102
85
6
9
12
15
C320-256-100
25,600
100
85
70
6
9
12
16
C228-213-120
228,000
21,300
120
102
85
6
9
12
17
C228-173-100
17,300
100
86
73
6
9
12
18
C228-246-86
24,600
86
74
61
9
12
15
19
C160-173-86
160,000
17,300
86
74
62
9
12
15
20
C160-173-74
17,300
74
62
51
12
15
18
21
C160-143-74
14,300
74
62
51
12
15
18
22
C114-119-86
114,000
11,900
86
72
59
9
12
15
23
C114-143-74
14,300
74
62
51
12
15
18
24
C114-173-64
17,300
64
54
44
12
15
18
25
C80-119-64
80,000
11,900
64
53
42
12
15
18
26
C80-109-48
10,900
48
37
25
18
21
24
 
 
 
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