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Hydraulic Diaphragm Metering Pump ORLITA Evolution

Capacity range of single-head pump: 3 – 7400 l/h, 400 – 10 bar

The ORLITA Evolution meets the most exacting safety requirements as an extremely robust hydraulic diaphragm metering pump. It is characterised by its PTFE multi-layer diaphragm with integral diaphragm rupture warning/signalling and unique diaphragm position control.

Product description

Maximum process reliability and flexibility.

The ORLITA Evolution hydraulic diaphragm metering pump range of EF1a, EF2a, EF3a and EF4a form an integrated product range with stroke lengths of 15 to 40 mm. This covers the capacity range of 3 to 7,400 l/h at 400 – 10 bar. A wide range of drive versions is available, including some with ATEX certification for use in Zone 1 or Zone 2 areas at risk from explosion. The ORLITA Evolution product range is designed to comply with API 675.

Your benefits

Maximum process reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning / signalling system
  • Integral hydraulic relief valve
  • The new diaphragm position control protects against impermissible operating statuses (e.g. no damage in the event of a blockage on the suction or discharge side)
  • The dosing precision is better than ± 1 % within the 10-100 % stroke length adjustment range under defined conditions and with correct installation
  • Continuous bleeding of the oil chamber ensures reliable operation

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

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    Trailer: The new ORLITA Evolution - Takes a forward leap

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    Process Metering Pump ORLITA Evolution: Maximum process reliability

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    Process Metering Pump ORLITA Evolution: Excellent flexibility

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    Process Metering Pump ORLITA Evolution: Design and Technology

Field of application

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

  • Oil and gas industry
  • Metering of reactants and catalysts in the chemical industry
  • Volume-proportional metering of chemicals/additives in the treatment of boiler feed water
  • Level-dependent metering of auxiliary agents in industrial production engineering, for instance hot wax metering in the production of adhesive strips

    Metering of Fluids in Chemical Production

    Incredible versatility: metering pumps in production

    There are various types of metering pumps, but what they all have in common is reliability, robustness and thoroughness. That's why all our pumps are in demand in chemical production.
    more

    Inhibitor Metering Offshore

    For smooth oil production

    Our ProMinent metering pumps keep the pipework clear 24 hours a day and protect against corrosion and defects. So the oil can keep flowing.
    more

    Onshore Metering in Gas Pump Stations

    Safety at the borehole

    Flammable methane hydrate at the borehole can be very dangerous. But not with ProMinent metering pumps. By metering fluid into the drilling head, they don't even allow methane hydrate to be produced in the first place.
    more

    Downstream Oil Treatment

    It's all about the oil

    Makro diaphragm metering pumps or even the new Evolution pumps are used for emulsion cracking so that the precious oil is perfectly separated from other substances. The pumps are completely autonomous.
    more

    Feed Water Treatment in Energy Generation

    ProMinent-style desalinated boiler feed water

    Our water treatment know-how delivers desalinated and therefore high-quality, ultra-pure boiler feed water. No energy or water is lost with ProMinent.
    more

    Flue Gas Cleaning in Energy Generation

    Flue gas cleaning for fresh air and a clean environment

    ProMinent understands how to incorporate the complex flue gas cleaning process in power plants. Harmful substances are reliably removed from the air before they enter the atmosphere.
    more

    Metering of Fluids

    Incredibly simple and efficient metering of chemicals

    We transport chemicals with ease in any industrial environment: ProMinent solutions store, transfer and meter substances at rates of 0.1 l/h to 100,000 l/h at a pressure of 2 to 3,000 bar.
    more

    Technical Details

    • Stroke length: 0 - 16 mm (Evo 1, Evo 2), 0 - 25 mm (Evo 3), 0 - 40 mm (Evo 4)
    • Rod force: 2600 N (Evo 1), 5400 N (Evo 2), 8000 N (Evo 3), 15,700 N (Evo 4)
    • Stroke length adjustment range: 0 – 100%. Stroke length adjustment: manually using manual adjustment wheel and scaled display (optionally with electric actuator or control drive). A fixed stroke variant in accordance with API 674 is also available as an alternative
    • The dosing precision is better than ± 1 % within the 10 – 100 % stroke length range under defined conditions and with correct installation
    • PTFE multi-layer diaphragm with electrical diaphragm rupture warning / signalling system via a contact
    • Integrated hydraulic relief and vent valve
    • Wetted materials:  Stainless steel 1.4404, special designs available on request Plastics PVC, PVDF, special designs available on request
    • A wide range of power end/drive versions is available: Three-phase AC standard motors also for use in areas at risk from explosion, different flange designs for use of customer-specific motors
    • Degree of protection: IP 55
    • Design in compliance with API 675 / API 674 among others

    ORLITA Evolution EF1a

    Technical data for Evolution EF1a single head pump 50 Hz SST

    Plunger Ø

    Max. pressure

    Max. pump capacity in l/h at strokes/min

    Theor. stroke volume

    Suction lift

    Connection on suction/discharge side

    Shipping weight

    71

    97

    116

    145

    165

    181

    201

    mm

    bar

    l/h

    l/h

    l/h

    l/h

    l/h

    l/h

    l/h

    ml/stroke

    m WC

    G-DN

    kg

    8

    400

    1.5

    2.0

    2.4

    3.0

    3.4

    3.8

    4.2

    0.80

    3.0

    DN 3

    80

    10

    337

    3.3

    4.5

    5.3

    6.7

    7.6

    8.3

    9.2

    1.26

    3.0

    DN 3

    80

    11

    278

    4.6

    6.3

    7.5

    9.4

    10.7

    11.7

    13.0

    1.52

    3.0

    DN 6

    80

    12

    234

    5.9

    8.1

    9.7

    12.1

    13.8

    15.1

    16.8

    1.81

    3.0

    DN 6

    80

    13

    200

    7.5

    10.3

    12.3

    15.3

    17.5

    19.1

    21.3

    2.12

    3.0

    DN 6

    80

    14

    172

    6.5

    8.9

    10.6

    13.3

    15.1

    16.6

    18.4

    2.46

    3.0

    DN 6

    80

    15

    150

    8.1

    11.0

    13.2

    16.5

    18.8

    20.6

    22.9

    2.83

    3.0

    DN 6

    80

    16

    132

    9.9

    13.5

    16.1

    20.2

    22.9

    25.2

    27.9

    3.22

    3.0

    DN 6

    80

    17

    117

    11.9

    16.3

    19.5

    24.3

    27.7

    30.4

    33.7

    3.63

    3.0

    DN 6

    80

    18

    104

    14.2

    19.4

    23.2

    29.1

    33.1

    36.3

    40.3

    4.07

    3.0

    DN 6

    80

    19

    93

    16.8

    23.0

    27.5

    34.3

    39.1

    42.9

    47.6

    4.54

    3.0

    DN 6

    80

    20

    84

    17.8

    24.3

    29.0

    36.3

    41.3

    45.3

    50.3

    5.03

    3.0

    DN 10

    80

    21

    76

    20.1

    27.4

    32.8

    41.0

    46.6

    51.2

    56.8

    5.54

    3.0

    DN 10

    80

    22

    70

    22.3

    30.4

    36.4

    45.5

    51.8

    56.8

    63.1

    6.08

    3.0

    DN 10

    80

    23

    64

    24.6

    33.6

    40.3

    50.3

    57.3

    62.8

    69.8

    6.65

    3.0

    DN 10

    80

    25

    54

    30.1

    41.1

    49.2

    61.5

    70.0

    76.8

    85.3

    7.85

    3.0

    DN 10

    80

    29

    40

    42.8

    58.4

    69.9

    87.4

    99.4

    109.0

    121.1

    10.57

    3.0

    DN 10

    80

    32

    34

    48.8

    66.7

    79.7

    99.6

    113.4

    124.4

    138.1

    12.87

    3.0

    DN 10

    80

    38

    25

    71.9

    98.2

    117.5

    146.8

    167.1

    183.3

    203.5

    18.15

    3.0

    DN 10

    80

    44

    17

    97.4

    133.1

    159.2

    199.0

    226.4

    248.4

    275.8

    24.33

    3.0

    DN 16

    80

    47

    14

    111.2

    151.9

    181.6

    227.0

    258.3

    283.4

    314.7

    27.76

    3.0

    DN 16

    80

    50

    14

    127.1

    173.7

    207.7

    259.7

    295.5

    324.1

    359.9

    31.42

    3.0

    DN 16

    80

    54

    12

    148.3

    202.6

    242.3

    302.9

    344.6

    378.1

    419.8

    36.64

    3.0

    DN 16

    80

    58

    10

    171.1

    233.7

    279.5

    349.4

    397.6

    436.1

    484.3

    42.27

    3.0

    DN 16

    80

    60

    10

    183.1

    250.1

    299.1

    373.9

    425.5

    466.7

    518.3

    45.24

    3.0

    DN 16

    80

    Valve type: Double ball valve up to DN 10, plate valve as of DN 16

    Version PVC, PVDF max. 16 bar (slight deviation in pump capacity possible)

    Technical data for Evolution EF1a single-head pump 60 Hz

    Plunger Ø

    Max. pressure

    Max. pump capacity in l/h at strokes/min

    Theor. stroke volume

    Suction lift

    Connection on suction/discharge side

    Shipping weight

    88

    117

    140

    175

    199

    mm

    bar

    l/h

    l/h

    l/h

    l/h

    l/h

    ml/stroke

    m WC

    G-DN

    kg

    8

    400

    1.8

    2.4

    2.9

    3.6

    4.1

    0.80

    3.0

    DN 3

    80

    10

    337

    4.1

    5.4

    6.4

    8.1

    9.2

    1.26

    3.0

    DN 3

    80

    11

    278

    5.7

    7.6

    9.1

    11.3

    12.9

    1.52

    3.0

    DN 6

    80

    12

    234

    7.4

    9.8

    11.7

    14.6

    16.6

    1.81

    3.0

    DN 6

    80

    13

    200

    9.3

    12.4

    14.8

    18.5

    21.1

    2.12

    3.0

    DN 6

    80

    14

    172

    8.1

    10.7

    12.8

    16.0

    18.2

    2.46

    3.0

    DN 6

    80

    15

    150

    10.0

    13.3

    15.9

    19.9

    22.6

    2.83

    3.0

    DN 6

    80

    16

    132

    12.2

    16.3

    19.5

    24.3

    27.7

    3.22

    3.0

    DN 6

    80

    17

    117

    14.8

    19.6

    23.5

    29.4

    33.4

    3.63

    3.0

    DN 6

    80

    18

    104

    17.6

    23.4

    28.0

    35.1

    39.9

    4.07

    3.0

    DN 6

    80

    19

    93

    20.8

    27.7

    33.2

    41.4

    47.1

    4.54

    3.0

    DN 6

    80

    20

    84

    22.0

    29.3

    35.1

    43.8

    49.8

    5.03

    3.0

    DN 10

    80

    21

    76

    24.9

    33.1

    39.6

    49.5

    56.2

    5.54

    3.0

    DN 10

    80

    22

    70

    27.6

    36.7

    43.9

    54.9

    62.5

    6.08

    3.0

    DN 10

    80

    23

    64

    30.5

    40.6

    48.6

    60.7

    69.1

    6.65

    3.0

    DN 10

    80

    25

    54

    37.3

    49.6

    59.4

    74.2

    84.4

    7.85

    3.0

    DN 10

    80

    29

    40

    53.0

    70.5

    84.3

    105.4

    119.9

    10.57

    3.0

    DN 10

    80

    32

    34

    60.5

    80.4

    96.2

    120.3

    136.7

    12.87

    3.0

    DN 10

    80

    38

    25

    89.1

    118.5

    141.8

    177.2

    201.5

    18.15

    3.0

    DN 10

    80

    44

    17

    120.8

    160.5

    192.1

    240.1

    273.1

    24.33

    3.0

    DN 16

    80

    47

    14

    137.8

    183.2

    219.1

    274.0

    311.6

    27.76

    3.0

    DN 16

    80

    50

    14

    157.6

    209.5

    250.7

    313.4

    356.4

    31.42

    3.0

    DN 16

    80

    54

    12

    183.8

    244.4

    292.4

    365.5

    415.7

    36.64

    3.0

    DN 16

    80

    58

    10

    212.0

    281.9

    337.3

    421.7

    479.5

    42.27

    3.0

    DN 16

    80

    60

    10

    226.9

    301.7

    361.0

    451.3

    513.2

    45.24

    3.0

    DN 16

    80

    Valve type: Double ball valve up to DN 10, plate valve as of DN 16

    Version PVC, PVDF max. 16 bar (slight deviation in pump capacity possible)

    Important note:

    Abridged presentation of our complete product range. Other types on request

    Wetted materials for Evolution EF1a

    Identity code of material

    Dosing head

    Diaphragm/diaphragm mounting screw

    Connection on suction/discharge side

    Seals

    Valve seats

    Valve balls up to DN 10

    Valve plates/valve springs as of DN 16

    S2

    Stainless steel 1.4571/1.4404

    PTFE / stainless steel 1.4462

    Stainless steel 1.4404

    stainless steel 1.4404

    Stainless steel 1.4404

    Al2O3 ceramic

    Stainless steel 1.4462

    P1

    PVDF

    PTFE / Hastelloy C

    PVDF

    PTFE

    PTFE

    Glass

    Ceramic / E-CTFE

    V1

    PVC

    PTFE / Hastelloy C

    PVDF

    PTFE

    PTFE

    Glass

    Ceramic / E-CTFE

    Motor data for EVOLUTION EF1a single-head pump

    Identity code specification Power supply  Remarks
    S3-phase, IP 55230 V/400 V50 Hz0.37 kWWith PTC, speed control range 1:5
    T3-phase, IP 55230 V/400 V
    265 V/460 V    		50 Hz
    60 Hz    		0.37 kW
         		 
    L3-phase, IP 55, II 2G Ex de IIC T4 Gb230 V/400 V50 Hz0.37 kWWith PTC, speed control range 1:5
    Q3-phase, IP 55, II 2G Ex de IIC T4265 V/460 V60 Hz0.45 kWWith PTC, speed control range 1:5
    V1-phase, IP 55230 V50 Hz0.75 kWVariable speed stroke control motor with integrated frequency converter

    ORLITA Evolution EF2a

    Technical data for Evolution EF2a single-head pump 50 Hz

    Plunger Ø

    Max. pressure

    Max. pump capacity in l/h at strokes/min

    Theor. stroke volume

    Suction lift

    Connection on suction/discharge side

    Shipping weight

    71

    97

    116

    145

    165

    181

    201

    mm

    bar

    l/h

    l/h

    l/h

    l/h

    l/h

    l/h

    l/h

    ml/stroke

    m WC

    G-DN

    kg

    11

    400

    3.9

    5.2

    6.2

    7.8

    8.9

    10.1

    10.8

    1.52

    3.0

    DN 6

    95

    12

    400

    5.5

    7.3

    8.7

    10.9

    12.4

    14.0

    15.1

    1.81

    3.0

    DN 6

    95

    13

    400

    7.3

    9.8

    11.7

    14.6

    16.6

    18.8

    20.2

    2.12

    3.0

    DN 6

    95

    14

    400

    3.8

    5.1

    6.0

    7.6

    8.5

    9.7

    10.4

    2.46

    3.0

    DN 6

    95

    15

    351

    5.4

    7.1

    8.5

    10.7

    12.1

    13.7

    14.8

    2.83

    3.0

    DN 6

    95

    16

    309

    7.3

    9.7

    11.6

    14.5

    16.5

    18.7

    20.1

    3.22

    3.0

    DN 6

    95

    17

    274

    9.5

    12.4

    15.3

    18.9

    21.6

    24.4

    26.3

    3.63

    3.0

    DN 6

    95

    18

    244

    12.2

    16.2

    19.4

    24.2

    27.6

    31.2

    33.6

    4.07

    3.0

    DN 6

    95

    19

    219

    15.2

    20.3

    24.2

    30.3

    34.4

    39.0

    42.0

    4.54

    3.0

    DN 6

    95

    20

    198

    16.1

    21.4

    26.5

    31.9

    36.3

    41.2

    44.3

    5.03

    3.0

    DN 10

    95

    21

    179

    18.2

    24.2

    28.9

    36.1

    41.1

    46.6

    50.1

    5.54

    3.0

    DN 10

    95

    22

    163

    20.5

    27.2

    32.5

    40.6

    46.2

    52.4

    56.3

    6.08

    3.0

    DN 10

    95

    23

    149

    22.9

    30.4

    36.4

    45.5

    51.8

    58.7

    63.1

    6.65

    3.0

    DN 10

    95

    25

    127

    28.4

    37.7

    45.1

    56.3

    64.1

    72.7

    78.1

    7.85

    3.0

    DN 10

    95

    29

    94

    41.7

    55.4

    66.3

    82.8

    94.3

    106.8

    114.8

    10.57

    3.0

    DN 10

    95

    32

    77

    42.9

    57.0

    68.1

    85.2

    96.9

    109.9

    118.1

    12.87

    3.0

    DN 10

    95

    38

    55

    69.1

    91.9

    109.9

    137.3

    156.3

    177.1

    190.4

    18.15

    3.0

    DN 10

    95

    44

    41

    95.6

    127.0

    151.9

    189.9

    216.1

    244.9

    263.2

    24.33

    3.0

    DN 16

    95

    47

    36

    110.0

    146.2

    174.8

    218.5

    248.7

    281.8

    302.9

    27.76

    3.0

    DN 16

    95

    50

    32

    125.4

    166.6

    199.3

    249.1

    283.5

    321.3

    345.3

    31.42

    3.0

    DN 16

    95

    54

    27

    148.0

    196.7

    235.2

    294.0

    334.5

    379.1

    407.5

    36.64

    3.0

    DN 16

    95

    58

    24

    172.4

    229.0

    273.9

    342.4

    389.6

    441.6

    474.6

    42.27

    3.0

    DN 16

    95

    60

    22

    185.7

    246.7

    295.0

    368.8

    419.6

    475.6

    511.2

    45.24

    3.0

    DN 16

    95

    65

    19

    217.7

    289.3

    346.0

    432.5

    492.1

    557.8

    599.5

    53.09

    3.0

    DN 20

    95

    70

    16

    254.7

    338.5

    404.8

    506.0

    575.8

    652.6

    701.4

    61.58

    3.0

    DN 20

    95

    76

    14

    303.2

    402.9

    481.8

    602.2

    685.3

    776.7

    834.8

    72.58

    3.0

    DN 20

    95

    78

    13

    320.4

    425.8

    509.2

    636.4

    724.2

    820.8

    882.2

    76.45

    3.0

    DN 20

    95

    80

    12

    338.2

    449.3

    537.4

    671.7

    764.4

    866.3

    931.1

    80.42

    3.0

    DN 20

    95

    Valve type: Double ball valve up to DN 10, plate valve as of DN 16

    Version PVC, PVDF max. 16 bar (slight deviation in pump capacity possible)

    Technical data for Evolution EF2a single-head pump 60 Hz

    Plunger Ø

    Max. pressure

    Max. pump capacity in l/h at strokes/min

    Theor. stroke volume

    Suction lift

    Connection on suction/discharge side

    Shipping weight

    88

    117

    140

    175

    199

    mm

    bar

    l/h

    l/h

    l/h

    l/h

    l/h

    ml/stroke

    m WC

    G-DN

    kg

    11

    400

    4.7

    6.3

    7.5

    9.4

    10.7

    1.52

    3.0

    DN 6

    95

    12

    400

    6.6

    8.8

    10.5

    13.1

    14.9

    1.81

    3.0

    DN 6

    95

    13

    400

    8.8

    11.8

    14.1

    17.6

    20.0

    2.12

    3.0

    DN 6

    95

    14

    400

    4.6

    6.1

    7.4

    9.2

    10.5

    2.46

    3.0

    DN 6

    95

    15

    351

    6.5

    8.6

    10.3

    12.9

    14.6

    2.83

    3.0

    DN 6

    95

    16

    309

    8.8

    11.7

    14.0

    17.4

    19.8

    3.22

    3.0

    DN 6

    95

    17

    274

    11.4

    15.3

    18.3

    22.9

    26.0

    3.63

    3.0

    DN 6

    95

    18

    244

    14.6

    19.5

    23.4

    29.2

    33.2

    4.07

    3.0

    DN 6

    95

    19

    219

    18.2

    24.4

    29.2

    36.5

    41.5

    4.54

    3.0

    DN 6

    95

    20

    198

    19.3

    25.8

    30.8

    38.5

    43.8

    5.03

    3.0

    DN 10

    95

    21

    179

    21.8

    29.2

    34.9

    43.6

    49.6

    5.54

    3.0

    DN 10

    95

    22

    163

    24.6

    32.8

    39.2

    49.0

    55.8

    6.08

    3.0

    DN 10

    95

    23

    149

    27.5

    36.7

    43.9

    54.9

    62.5

    6.65

    3.0

    DN 10

    95

    25

    127

    34.1

    45.5

    54.4

    68.0

    77.3

    7.85

    3.0

    DN 10

    95

    29

    94

    50.0

    66.8

    80.0

    100.0

    113.7

    10.57

    3.0

    DN 10

    95

    32

    77

    51.5

    68.7

    82.2

    102.8

    116.9

    12.87

    3.0

    DN 10

    95

    38

    55

    82.9

    110.8

    132.6

    165.7

    188.5

    18.15

    3.0

    DN 10

    95

    44

    41

    114.7

    153.2

    183.3

    229.2

    260.6

    24.33

    3.0

    DN 16

    95

    47

    36

    132.0

    176.3

    211.0

    263.7

    299.9

    27.76

    3.0

    DN 16

    95

    50

    32

    150.5

    201.0

    240.5

    300.6

    341.9

    31.42

    3.0

    DN 16

    95

    54

    27

    177.6

    237.2

    251.1

    413.8

    403.5

    36.64

    3.0

    DN 16

    95

    58

    24

    206.9

    276.3

    330.6

    413.2

    469.9

    42.27

    3.0

    DN 16

    95

    60

    22

    222.8

    297.6

    356.1

    445.1

    506.1

    45.24

    3.0

    DN 16

    95

    65

    19

    261.2

    349.0

    417.6

    522.0

    593.6

    53.09

    3.0

    DN 20

    95

    70

    16

    305.6

    408.3

    488.6

    610.7

    694.4

    61.58

    3.0

    DN 20

    95

    76

    14

    363.8

    485.9

    581.5

    726.8

    826.5

    72.58

    3.0

    DN 20

    95

    78

    13

    384.5

    513.5

    614.5

    768.1

    873.5

    76.45

    3.0

    DN 20

    95

    80

    12

    405.8

    542.0

    648.5

    810.7

    921.9

    80.42

    3.0

    DN 20

    95

    Valve type: Double ball valve up to DN 10, plate valve as of DN 16

    Version PVC, PVDF max. 16 bar (slight deviation in pump capacity possible)

    Important note:

    Abridged presentation of our complete product range. Other types on request

    Wetted materials for Evolution EF2a

    Identity code of material

    Dosing head

    Diaphragm/diaphragm mounting screw

    Connection on suction/discharge side

    Seals

    Valve seats

    Valve balls up to DN 10

    Valve plates/valve springs as of DN 16

    S2

    Stainless steel 1.4404

    PTFE / stainless steel 1.4462

    Stainless steel 1.4404

    stainless steel 1.4404

    Stainless steel 1.4404

    Al2O3 ceramic

    Stainless steel 1.4462

    P1

    PVDF

    PTFE / Hastelloy C

    PVDF

    PTFE

    PTFE

    Glass

    Ceramic / E-CTFE

    V1

    PVC

    PTFE / Hastelloy C

    PVDF

    PTFE

    PTFE

    Glass

    Ceramic / E-CTFE

    Motor data for EVOLUTION EF2a single-head pump

    Identity code specification Power supply  Remarks
    S3-phase, IP 55230 V/400 V50 Hz1.1 kWWith PTC, speed control range 1:5
    T3-phase, IP 55230 V/400 V
    265 V/460 V    		50 Hz
    60 Hz    		1.1 kW
         		 
    L3-phase, IP 55, II 2G Ex de IIC T4 Gb230 V/400 V50 Hz1.1 kWWith PTC, speed control range 1:5
    Q3-phase, IP 55, II 2G Ex de IIC T4265 V/460 V60 Hz1.1 kWWith PTC, speed control range 1:5
    V3-phase, IP 55230 V50 Hz1.5 kWVariable speed stroke control motor with integrated frequency converter

    ORLITA Evolution EF3a

    Technical data for Evolution EF3a single head pump 50 Hz SST

    Plunger Ø

    Theor. stroke volume

    Theoretical pump capacity in l/h at strokes/min

    Max. pressure

    Efficiency

    Nominal diameter

    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

    At 100 % pressure

    At 50 % pressure

    17

    5.67

    24

    33

    39

    49

    56

    61

    68

    397

    0.72

    0.80

    DN 6

    22

    9.50

    41

    55

    66

    82

    94

    103

    114

    237

    0.87

    0.93

    DN 6

    25

    12.27

    53

    71

    85

    106

    121

    133

    148

    183

    0.83

    0.85

    DN 10

    30

    17.67

    77

    102

    123

    153

    174

    191

    213

    127

    0.92

    0.95

    DN 10

    34

    22.70

    99

    132

    158

    197

    224

    246

    273

    99

    0.90

    0.94

    DN 16

    38

    28.35

    124

    165

    197

    246

    280

    307

    341

    79

    0.93

    0.95

    DN 16

    44

    38.01

    166

    221

    264

    330

    376

    412

    458

    59

    0.95

    0.97

    DN 20

    50

    49.09

    215

    285

    341

    427

    486

    533

    592

    46

    0.97

    0.98

    DN 20

    58

    66.05

    289

    384

    459

    574

    653

    717

    796

    34

    0.98

    0.99

    DN 20

    63

    77.93

    341

    453

    542

    678

    771

    846

    939

    29

    0.97

    0.98

    DN 25

    70

    96.21

    421

    559

    669

    837

    952

    1,044

    1,160

    23

    0.97

    0.98

    DN 25

    75

    110.45

    483

    642

    768

    960

    1,093

    1,199

    1,332

    20

    0.98

    0.98

    DN 25

    100

    196.35

    860

    1,142

    1,366

    1,708

    1,943

    2,132

    2,368

    11

    0.99

    0.98

    DN 40

    Version PVC, PVDF max. 16 bar

    Technical data for Evolution EF3a single head pump 60 Hz SST

    Plunger Ø

    Theor. stroke volume

    Theoretical pump capacity in l/h at strokes/min

    Max. pressure

    Efficiency

    Nominal diameter

    88 [2]

    117 [3]

    140 [4]

    175 [5]

    199 [6]

    mm

    ml/stroke

    l/h

    l/h

    l/h

    l/h

    l/h

    bar

    At 100 % pressure

    At 50 % pressure

    17

    5.67

    30

    39

    47

    59

    67

    397

    0.72

    0.77

    DN 6

    22

    9.50

    50

    66

    79

    99

    113

    237

    0.83

    0.85

    DN 6

    25

    12.27

    64

    86

    103

    128

    146

    183

    0.83

    0.85

    DN 10

    30

    17.67

    93

    124

    148

    185

    211

    127

    0.87

    0.89

    DN 10

    34

    22.70

    119

    159

    190

    238

    271

    99

    0.88

    0.89

    DN 16

    38

    28.35

    149

    199

    238

    297

    338

    79

    0.89

    0.90

    DN 16

    44

    38.01

    200

    266

    319

    399

    453

    59

    9.00

    0.91

    DN 20

    50

    49.09

    259

    344

    412

    515

    586

    46

    0.91

    0.91

    DN 20

    58

    66.05

    348

    463

    554

    693

    788

    34

    0.92

    0.92

    DN 20

    63

    77.93

    411

    547

    654

    818

    930

    29

    0.92

    0.93

    DN 25

    70

    96.21

    508

    675

    808

    1,010

    1,148

    23

    0.93

    0.94

    DN 25

    75

    110.45

    583

    775

    927

    1,159

    1,318

    20

    0.94

    0.95

    DN 25

    100

    196.35

    1,036

    1,378

    1,649

    2,061

    2,344

    11

    0.96

    0.96

    DN 40

    Note:

    Abridged presentation of our complete product range. Additional plunger diameters (14-100 mm) on request.

    Wetted materials for Evolution EF3a

    Dosing head assembly

    Dosing head

    Diaphragm retaining screw

    Diaphragm

    Stainless steel 1.4404

    Stainless steel 1.4462

    PTFE multi-layer diaphragm

    Ball valve DN 6 - DN 10

    Nominal diameter

    Connection on suction/discharge side

    Valve/head seal

    Valve balls

    Valve seats

    Valve housing

    Clamp ring

    DN 6

    Stainless steel 1.4404

    Stainless steel 1.4404

    SiN ceramic

    Stainless steel 1.4404

    Stainless steel 1.4404

    Hastelloy C

    DN 10

    Stainless steel 1.4404

    Stainless steel 1.4404

    Al2O3 ceramic

    Stainless steel 1.4404

    Stainless steel 1.4404

    Hastelloy C

    Plate valve DN 16 - DN 40

    Nominal diameter

    Connection on suction/discharge side

    Valve/head seal

    Valve plate

    Valve seats

    Valve housing

    Clamp ring

    DN 16

    Stainless steel 1.4404

    Stainless steel 1.4404

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    Hastelloy C

    DN 20

    Stainless steel 1.4404

    Stainless steel 1.4404

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    Hastelloy C

    DN 25

    Stainless steel 1.4404

    Stainless steel 1.4404

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    Hastelloy C

    Further material versions and details available on request.

    ORLITA Evolution EF4a

    Technical data for Evolution EF4a single head pump 50 Hz SST

    Plunger Ø

    Theor. stroke volume

    Theoretical pump capacity in l/h at strokes/min

    Max. pressure

    Efficiency

    Nominal diameter

    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

    At 100 % pressure

    At 50 % pressure

    22

    15.21

    66

    88

    105

    132

    150

    165

    183

    400

    0.64

    0.67

    DN 16

    25

    19.63

    86

    114

    136

    170

    194

    213

    236

    368

    0.67

    0.74

    DN 16

    30

    28.27

    123

    164

    196

    246

    279

    307

    341

    255

    0.70

    0.76

    DN 16

    34

    36.32

    159

    211

    252

    316

    359

    394

    438

    199

    0.81

    0.84

    DN 16

    38

    45.36

    198

    264

    315

    394

    449

    492

    547

    159

    0.82

    0.84

    DN 20

    44

    60.82

    266

    354

    423

    529

    602

    660

    733

    119

    0.87

    0.88

    DN 20

    50

    78.54

    344

    457

    546

    683

    777

    852

    947

    92

    0.90

    0.92

    DN 25

    60

    113.10

    495

    658

    787

    983

    1,119

    1,228

    1,364

    64

    0.91

    0.93

    DN 32

    70

    153.94

    674

    895

    1,071

    1,339

    1,524

    1,671

    1,856

    47

    0.91

    0.93

    DN 40

    75

    176.71

    774

    1,028

    1,229

    1,537

    1,749

    1,919

    2,131

    41

    0.91

    0.93

    DN 40

    86

    232.35

    1,017

    1,352

    1,617

    2,021

    2,300

    2,523

    2,802

    31

    0.93

    0.94

    DN 50

    90

    254.47

    1,114

    1,481

    1,771

    2,213

    2,519

    2,763

    3,068

    28

    0.93

    0.94

    DN 50

    100

    314.16

    1,376

    1,828

    2,186

    2,733

    3,110

    3,411

    3,788

    23

    0.94

    0.94

    DN 50

    110

    380.13

    1,665

    2,212

    2,645

    3,307

    3,763

    4,128

    4,584

    19

    0.95

    0.95

    DN 50

    115

    415.48

    1,819

    2,418

    2,891

    3,614

    4,113

    4,512

    5,010

    17

    0.93

    0.95

    DN 65

    130

    530.93

    2,325

    3,090

    3,695

    4,619

    5,256

    5,765

    6,403

    14

    0.94

    0.95

    DN 65

    140

    615.75

    2,697

    3,583

    4,285

    5,357

    6,095

    6,687

    7,426

    12

    0.95

    0.96

    DN 65

    Version PVC, PVDF max. 16 bar

    Technical data for Evolution EF4a single head pump 60 Hz SST

    Plunger Ø

    Theor. stroke volume

    Theoretical pump capacity in l/h at strokes/min

    Max. pressure

    Efficiency

    Nominal diameter

    88 [2]

    117 [3]

    140 [4]

    175 [5]

    199 [6]

    mm

    ml/stroke

    l/h

    l/h

    l/h

    l/h

    l/h

    bar

    At 100 % pressure

    At 50 % pressure

    22

    15.21

    80

    106

    127

    159

    181

    400

    0.67

    0.81

    DN 16

    25

    19.63

    103

    137

    164

    206

    234

    368

    0.74

    0.85

    DN 16

    30

    28.27

    149

    198

    237

    269

    337

    255

    0.76

    0.85

    DN 16

    34

    36.32

    191

    254

    305

    381

    433

    199

    0.84

    0.87

    DN 16

    38

    45.36

    239

    318

    381

    476

    541

    159

    0.84

    0.90

    DN 20

    44

    60.82

    321

    427

    510

    638

    726

    119

    0.88

    0.87

    DN 20

    50

    78.54

    414

    551

    659

    824

    937

    92

    0.92

    0.90

    DN 25

    60

    113.10

    597

    793

    950

    1,187

    1,350

    64

    0.93

    0.91

    DN 32

    70

    153.94

    812

    1,080

    1,293

    1,616

    1,838

    47

    0.93

    0.91

    DN 40

    75

    176.71

    933

    1,240

    1,484

    1,855

    2,110

    41

    0.93

    0.91

    DN 40

    86

    232.35

    1,226

    1,631

    1,951

    2,439

    2,774

    31

    0.94

    0.93

    DN 50

    90

    254.47

    1,343

    1,786

    2,137

    2,671

    3,038

    28

    0.94

    0.93

    DN 50

    100

    314.16

    1,658

    2,205

    2,638

    3,298

    3,751

    23

    0.94

    0.94

    DN 50

    110

    380.13

    2,007

    2,668

    3,193

    3,991

    4,538

    19

    0.95

    0.95

    DN 50

    115

    415.48

    2,193

    2,916

    3,490

    4,362

    4,960

    17

    0.95

    0.93

    DN 65

    130

    530.93

    2,803

    3,727

    4,459

    5,574

    6,339

    14

    0.95

    0.94

    DN 65

    140

    615.75

    3,251

    4,322

    5,172

    6,465

    7,352

    12

    0.96

    0.96

    DN 65

    Wetted materials for Evolution EF4a

    Dosing head assembly

    Dosing head

    Diaphragm retaining screw

    Diaphragm

    Stainless steel 1.4404

    Stainless steel 1.4462

    PTFE multi-layer diaphragm

    Plate valve

    Nominal diameter

    Connection on suction/discharge side

    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

    DN 20

    Stainless steel 1.4404

    Stainless steel 1.4571

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    DN 25

    Stainless steel 1.4404

    Stainless steel 1.4571

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    DN 32

    Stainless steel 1.4404

    Stainless steel 1.4571

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    DN 40

    Stainless steel 1.4404

    Stainless steel 1.4571

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    DN 50

    Stainless steel 1.4404

    Stainless steel 1.4571

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    DN 65

    Stainless steel 1.4404

    Stainless steel 1.4571

    Stainless steel 1.4462

    Stainless steel 1.4404

    Stainless steel 1.4404

    Note:

    Abridged presentation of our complete product range. Other piston diameters (22–140 mm) on request.

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    Overview

    Maximum process reliability and flexibility.

    The ORLITA Evolution hydraulic diaphragm metering pump range of EF1a, EF2a, EF3a and EF4a form an integrated product range with stroke lengths of 15 to 40 mm. This covers the capacity range of 3 to 7,400 l/h at 400 – 10 bar. A wide range of drive versions is available, including some with ATEX certification for use in Zone 1 or Zone 2 areas at risk from explosion. The ORLITA Evolution product range is designed to comply with API 675.

    Your benefits

    Maximum process reliability:

    • PTFE multi-layer diaphragm with integral diaphragm rupture warning / signalling system
    • Integral hydraulic relief valve
    • The new diaphragm position control protects against impermissible operating statuses (e.g. no damage in the event of a blockage on the suction or discharge side)
    • The dosing precision is better than ± 1 % within the 10-100 % stroke length adjustment range under defined conditions and with correct installation
    • Continuous bleeding of the oil chamber ensures reliable operation

    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

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