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Plunger metering pump Orlita® Evolution

Capacity range of single head pump: 15 – 545 l/h, 520 – 9 bar

The high-performance plunger metering pump Orlita® Evolution enables precise pump capacities even at maximum pressure and temperatures of up to +200 °C. The Orlita® Evolution pump has a modular construction and thus versatile uses.

Product description

Simple and flexible.

The Orlita® Evolution plunger metering pumps EP1a and EP2a form an integrated product range with stroke lengths of 15 mm. This covers a capacity range from 5 to 511 l/h at 293 – 8 bar. A wide range of drive versions is available, including some for use in Zone 1 or Zone 2 areas at risk from explosion with ATEX certification. The Orlita® Evolution product range is designed to comply with API 675.

Your benefits

Flexible adaptation to the process:

  • Precise capacity even at maximum pressure
  • Metering reproducibility is better than ± 0.5 % within the 10 - 100 % stroke length range under defined conditions and with correct installation.
  • Excellent hydraulic efficiency

Excellent flexibility:

  • The modular and compact construction with single and multiple pump versions permits a wide range of applications. In multiple pump systems up to 5 metering units can be combined, including units with different pump capacities
  • 7 gear ratios are available
  • Power end configuration ideal for installation in any position (vertical or horizontal)

Technical Details

  • Stroke length: 0-16 mm, Rod force: 2,600 N (EP1a), 6,200 N (EP2a)
  • Stroke length adjustment: 0 – 100 %
  • Stroke length adjustment range: 0 – 100% in operation and idle
  • The plunger packing can be tightened by the tensioning screw on the front even during operation
  • Metering reproducibility is better than ± 0.5 % within the 10 – 100 % stroke length range under defined conditions and with correct installation
  • Wetted materials: Stainless steel, special designs are available on request
  • A wide range of power end versions is available: 3-phase AC motors, motors for use in areas at risk from explosion and different flange designs for use in customer-specific motors
  • Degree of protection: IP 55
  • Temperature range - 40 °C to + 200 °C
  • Design in compliance with API 675 among others

Technical data for EP1a single pump 50 Hz SST

Plunger Ø

Theor. stroke volume

Theoretical pump capacity in l/h at strokes/min

Max. pressure

Efficiency at 100 % pressure

Efficiency at 50 % pressure

Standard type of valve

73 [2]

97 [3]

116 [4]

145 [5]

165 [6]

181 [7]

201 [8]

mm

ml/stroke

l/h

l/h

l/h

l/h

l/h

l/h

l/h

bar

10

1.26

5.5

7.3

8.7

10.9

12.4

13.6

15.2

331

0.85

0.95

DN 6

19

4.54

19.9

26.4

31.6

39.5

44.9

49.3

54.7

92

0.89

0.95

DN 10

26

8.49

37.2

49.4

59.1

73.9

84.1

92.3

102.4

49

0.92

0.95

DN 10

35

15.39

67.4

89.6

107.1

133.9

152.4

167.2

185.6

27

0.94

0.96

DN 16

Technical data for EP1a single pump 60 Hz SST

Plunger Ø

Theor. stroke volume

Theoretical pump capacity in l/h at strokes/min

Max. pressure

Efficiency at 100 % pressure

Efficiency at 50 % pressure

Standard type of valve

88 [2]

117 [3]

140 [4]

175 [5]

199 [6]

mm

ml/stroke

l/h

l/h

l/h

l/h

l/h

bar

10

1.26

6.6

8.8

10.6

13.2

15.0

331

0.85

0.95

DN 6

19

4.54

24.0

31.8

38.1

47.6

54.2

92

0.89

0.95

DN 10

26

8.49

44.9

59.6

71.4

59.2

101.4

49

0.92

0.95

DN 10

35

15.39

81.3

108.1

129.3

161.6

183.8

27

0.94

0.96

DN 16

Materials in Contact With the Medium

Ball valve DN 6 - DN 10

Identity code of material

Suction/discharge connection

Valve/head seal

Valve balls

Valve seats

Valve housing

Clamp ring

DN 6 (double ball)

Stainless steel 1.4404

Stainless steel 1.4404

SiN ceramic

Stainless steel 1.4404

Stainless steel 1.4404

Hastelloy C-4

DN 10 (single ball)

Stainless steel 1.4404

Stainless steel 1.4404

Al2O3 ceramic

Stainless steel 1.4404

Stainless steel 1.4404

Hastelloy C-4

Note:

Abridged presentation of our complete product range. Other piston diameters (8–60 mm) on request.

Plate valve DN 16 - DN 20

Standard type of valve

Suction/discharge connection

Valve/head seal

Valve plate

Valve seats

Valve housing

DN 16

Stainless steel 1.4404

Stainless steel 1.4571

Stainless steel 1.4462

Stainless steel 1.4404

Stainless steel 1.4404

Further material versions and details available on request.

Technical data for EP2a single pump 50 Hz SST

Plunger Ø

Theor. stroke volume

Theoretical pump capacity in l/h at strokes/min

Max. pressure

Efficiency at 100 % pressure

Efficiency at 50 % pressure

Standard type of valve

73 [2]

97 [3]

116 [4]

145 [5]

165 [6]

181 [7]

201 [8]

mm

ml/stroke

l/h

l/h

l/h

l/h

l/h

l/h

l/h

bar

10

1.26

5.5

7.3

8.7

10.9

12.4

13.6

15.2

520

0.82

0.95

DN 6

19

4.54

19.9

26.4

31.6

39.5

44.9

49.3

54.7

219

0.86

0.95

DN 10

26

8.49

37.2

49.4

59.1

73.9

84.1

92.3

102.4

117

0.90

0.96

DN 10

35

15.39

67.4

89.6

107.1

133.9

152.4

167.2

185.6

65

0.92

0.96

DN 16

Technical data for EP2a single pump 60 Hz SST

Plunger Ø

Theor. stroke volume

Theoretical pump capacity in l/h at strokes/min

Max. pressure

Efficiency at 100 % pressure

Efficiency at 50 % pressure

Standard type of valve

88 [2]

117 [3]

140 [4]

175 [5]

199 [6]

mm

ml/stroke

l/h

l/h

l/h

l/h

l/h

bar

10

1.26

6.6

8.8

10.6

13.2

15.0

520

0.82

0.95

DN 6

19

4.54

24.0

31.8

38.1

47.6

54.2

219

0.86

0.95

DN 10

26

8.49

44.9

59.6

71.4

89.2

101.4

117

0.90

0.95

DN 10

35

15.39

81.3

108.1

129.3

161.6

183.8

65

0.92

0.96

DN 16

Note:

Abridged presentation of our complete product range. Other types on request. Piston diameter 11 - 80 mm.

Identity code of material

Suction/discharge connection

Valve/head seal

Valve balls

Valve seats

Valve housing

Clamp ring

DN 6 (double ball)

Stainless steel 1.4404

Stainless steel 1.4404

SiN ceramic

Stainless steel 1.4404

Stainless steel 1.4404

Hastelloy C-4

DN 10 (single ball)

Stainless steel 1.4404

Stainless steel 1.4404

Al2O3 ceramic

Stainless steel 1.4404

Stainless steel 1.4404

Hastelloy C-4

Plate valve DN 16

Standard type of valve

Suction/discharge connection

Valve/head seal

Valve plate

Valve seats

Valve housing

DN 16

Stainless steel 1.4404

Stainless steel 1.4571

Stainless steel 1.4462

Stainless steel 1.4404

Stainless steel 1.4404

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Overview

Simple and flexible.

The Orlita® Evolution plunger metering pumps EP1a and EP2a form an integrated product range with stroke lengths of 15 mm. This covers a capacity range from 5 to 511 l/h at 293 – 8 bar. A wide range of drive versions is available, including some for use in Zone 1 or Zone 2 areas at risk from explosion with ATEX certification. The Orlita® Evolution product range is designed to comply with API 675.

Your benefits

Flexible adaptation to the process:

  • Precise capacity even at maximum pressure
  • Metering reproducibility is better than ± 0.5 % within the 10 - 100 % stroke length range under defined conditions and with correct installation.
  • Excellent hydraulic efficiency

Excellent flexibility:

  • The modular and compact construction with single and multiple pump versions permits a wide range of applications. In multiple pump systems up to 5 metering units can be combined, including units with different pump capacities
  • 7 gear ratios are available
  • Power end configuration ideal for installation in any position (vertical or horizontal)

Application

Technical Data

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