Nominal Bore
mm(in)

Plunger Length
m(ft)

Max. O.D.
mm

Rod
in

Tubing in

Pump Constant m3/d

Stroke
m

20(25)-112RHAC

28
(1.12)

1.2-1.8
（4-6）

47.5

3/4

2-3/8
(2-7/8)

0.92

≤7.5

20(25)-112RHAM

47.6

20(25)-125RHAC

32
(1.25)

47.5

3/4

2-3/8
(2-7/8)

1.14

20(25)-125RHAM

47.6

25-150RHAC

38
(1.50)

59.4

3/4

2-7/8

1.64

25-150RHAM

59.5

25-175RHAC

44
(1.75)

59.4

3/4

2-7/8

2.24

25-175RHAM

59.5

25-200RWAC

51
(2.00)

59.4

3/4

2-7/8

2.91

25-200RWAM

59.5

30-225RHAC

57
(2.25)

72.1

3/4

3-1/2

3.69

30-225RHAM

72.2

30-250RWAC

64
(2.50)

72.1

3/4

3-1/2

4.55

30-250RWAM

72.2

Nominal Bore
mm(in)

Plunger Length
m(ft)

Max. O.D.
mm

Rod
in

Tubing in

Pump Constant m3/d

Stroke
m

20(25)-112RHBC

28
(1.12)

1.2-1.8
(4-6)

47.5

3/4

2-3/8
(2-7/8)

0.92

≤7.5

20(25)-112RHBM

44.7

20(25)-125RHBC

32
(1.25)

47.5

3/4

2-3/8
(2-7/8)

1.14

20(25)-125RHBM

44.7

25-150RHBC

38
(1.50)

59.4

3/4

2-7/8

1.64

25-150RHBM

57.4

25-175RHBC

44
(1.75)

59.5

3/4

2-7/8

2.24

25-175RHBM

57.4

25-200RWBC

51
(2.00)

59.4

3/4

2-7/8

2.91

25-200RWBM

57.4

30-225RHBC

57
(2.25)

72.1

3/4

3-1/2

3.69

30-225RHBM

70.1

30-250RWBC

64
(2.50)

72.1

3/4

3-1/2

4.55

30-250RWBM

70.1

Nominal Bore
mm(in)

Plunger Length
m(ft)

Max. O.D.
mm

Rod
in

Tubing in

Pump Constant m3/d

Stroke
m

20(25)-125RHTC

32
(1.25)

1.2-1.8
(4-6)

47.5

3/4

2-3/8(2-7/8)

1.14

≤7.5

20(25)-125RHTM

44.7

25-150RHTC

38
(1.50)

59.4

3/4

2-7/8

1.64

25-150RHTM

57.4

25-175RHTC

44
(1.75)

59.4

3/4

2-7/8

2.24

25-175RHTM

57.4

30-225RHTC

57
(2.25)

72.1

3/4

3-1/2

3.69

30-225RHTM

70.1