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Product type:Oil Production Equipments and Parts--Rod Pumping System
 
Name:ROD PUMP
Item:ydaer_1
Description:
       Rod pump is mainly composed of sealing assembly, barrel assembly and plunger assembly (see the fig). There are centralizer and stop valve on top of the barrel. The complete pump can be pulled out with sucker rod string without moving tubing string. And the complete pump insert directly in the sealing assembly which has the function of sealing and positioning. The pump barrel is in the inner bore of tubing string and the centralizer prevents the swing of the pump in the tubing. Rod pump have three types, they are Traveling Barrel Bottom Anchor Rod Pump, Stationary Heavy Wall Barrel Bottom Anchor Rod Pump and Stationary Heavy Wall Barrel Top Anchor Rod Pump.
1)      Stationary Barrel Bottom Anchor Rod Pump-RHBC and RHBM

Specification
Nominal Pump Bore(in)
Plunger Length(ft)
Max.O.D.
(mm)
Rod
(in)
Tubing (in)
Pump Constant
Stroke
(m3/d)
(m)
20-112RHBC
1.12
4-6
46.7
3/4
2-3/8
0.92
7.5
20-112RHBM
44.7
20-125RHBC
1.25
47.5
3/4
2-3/8
1.14
20-125RHBM
44.7
25-150RHBC
1.5
59.5
3/4
2-7/8
1.64
25-150RHBM
55.6
25-175RHBC
1.75
59.5
3/4
2-7/8
2.24
25-175RHBM
55.6
30-225RHBC
2.25
72.1
3/4
3-1/2
3.69
30-225RHBM
71.7

2)      Stationary Barrel Top Anchor Rod Pump-RHAM and RHAC 

Specification
Nominal Pump Bore(in)
Plunger Length(ft)
Max.O.D.
Rod
Tubing
Pump Constant
Stroke
(mm)
(in)
(in)
(m3/d)
(m)
20-112RHAC
1.12
4-6
46.7
3/4
2-3/8
0.92
7.5
20-112RHAM
47.6
20-125RHAC
1.25
47.5
3/4
2-3/8
1.14
20-125RHAM
50.2
25-150RHAC
1.5
59.4
3/4
2-7/8
1.64
25-150RHAM
59.5
25-175RHAC
1.75
59.5
3/4
2-7/8
2.24
25-175RHAM
59.5
30-225RHAC
2.25
72.1
3/4
3-1/2
3.69
30-225RHAM
74.6

3)      Traveling Barrel Bottom Anchor Rod Pump-RHTC and RHTM

Specification
Nominal Pump Bore(in)
Plunger Length(ft)
Max.O.D.
Rod
Tubing
Pump Constant
Stroke
(mm)
(in)
(in)
(m3/d)
(m)
20-125RHTC
1.25
4-6
46.7
3/4
2-3/8
1.14
7.5
20-125RHTM
44.7
25-150RHTC
1.5
59.4
3/4
2-7/8
1.64
25-150RHTM
59
25-175RHTC
1.75
59.4
3/4
2-7/8
2.24
25-175RHTM
59
30-225RHTC
2.25
72.1
3/4
3-1/2
3.69
30-225RHTM
71.7

 
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