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Hydraulic diaphragm metering pump HYDRO Classic

Capacity range of single-head pump: 3 – 1450 l/h, 100 – 7 bar

As an extremely robust hydraulic diaphragm metering pump, the HYDRO range meets the most exacting safety requirements. Its modular construction, with either one or two dosing heads, 4 gear ratios, 2 dosing head sizes and 3 dosing head materials, offers a very high degree of flexibility in terms of areas of application.

Product description

For flexible metering with excellent process reliability in the medium pressure range.

The hydraulic diaphragm metering pump HYDRO with its HP2a, HP3a and HP4a product ranges forms an integrated product range with stroke lengths of 15 or 20 mm. This covers the capacity range from 3 to 1450 l/h at 100 – 7 bar. A wide range of drive versions is available for use in areas at risk from explosion with ATEX certification. The Hydro product range is designed to comply with API 675 among others.

Your benefits

Excellent process safety and reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • Metering reproducibility is better than ± 1% within the 20-100% stroke volume range under defined conditions and with proper installation

Excellent flexibility:

  • The modular construction with single and double head versions permits a wide range of applications, with the double head designs being operated in push-pull mode
  • It is possible to combine up to 5 metering units, even with different pump capacities, in multiple pump systems
  • 5 different gear ratios are available

Field of application

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

    Technical Details

    • Stroke length: 15 mm (HP2a, HP3a), 20 mm (HP4a)
    • Rod force: 2000 N (HP2a), 4200 N (HP3a), 5800 N (HP4a)
    • Stroke volume adjustment range: 0 – 100%
    • Stroke volume adjustment: manually using scaled rotary dial (optionally with electric actuator or control drive)
    • Metering reproducibility is better than ± 1% in the 20 to 100% stroke volume 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 bleed valve
    • Wetted materials: PVDF, PTFE+25% carbon, stainless steel 1.4571, Hastelloy C.
    • A wide range of drive versions is available: Three-phase or 1-phase AC motor, motors for use in areas at risk from explosion, different flange designs for use of customer-specific motors
    • Degree of protection: IP 55

    Hydraulic Diaphragm Metering Pump HYDRO HP2a

    Technical data for HYDRO HP2a

    Type

    Capacity at max. back pressure with 1500 rpm motor at 50 Hz

    Capacity at max. back pressure at 60 Hz

    Suction lift

    Perm. pre-pressure suction side

    Suction / discharge side connector

    Shipping weight

    Plunger Ø

    Max. stroke rate

    Max. stroke rate

    l/h

    bar

    ml/stroke

    Strokes/min

    psi

    l/h/gph (US)

    Strokes/min

    m WC

    bar

    G-DN

    kg

    mm

    * SST version with double ball valve, valve connector on the suction-discharge side with female thread Rp 1/4 and male thread G 3/4 - DN 10

    ** HV design with G1 - DN 15 connector

    100003 *

    3

    100

    3.0

    60

    1,450

    3.6/1.0

    72

    3.0

    5

    Rp 1/4

    31

    16

    100006 *

    6

    100

    3.0

    125

    1,450

    7.0/1.8

    150

    3.0

    5

    Rp 1/4

    31

    16

    100007 *

    7

    100

    3.0

    150

    1,450

    8.0/2.1

    180

    3.0

    5

    Rp 1/4

    31

    16

    100009 *

    9

    100

    3.0

    187

    1,450

    11.0/2.9

    224

    3.0

    5

    Rp 1/4

    31

    16

    100010 *

    10

    100

    3.0

    212

    -

    -

    -

    3.0

    5

    Rp 1/4

    31

    16

    064007

    7

    64

    3.8

    60

    928

    8.4/2.2

    72

    3.0

    5

    G 3/4-10

    31

    18

    064015

    15

    64

    3.8

    125

    928

    18.0/4.8

    150

    3.0

    5

    G 3/4-10

    31

    18

    064018

    18

    64

    3.8

    150

    928

    21.0/5.5

    180

    3.0

    5

    G 3/4-10

    31

    18

    064022

    22

    64

    3.8

    187

    928

    26.0/6.9

    224

    3.0

    5

    G 3/4-10

    31

    18

    064025

    25

    64

    3.8

    212

    -

    -

    -

    3.0

    5

    G 3/4-10

    31

    18

    040014

    14

    40

    5.7

    60

    580

    16.8/4.4

    72

    3.0

    5

    G 3/4-10

    31

    22

    040029

    29

    40

    5.7

    125

    580

    34.8/9.2

    150

    3.0

    5

    G 3/4-10

    31

    22

    040035

    35

    40

    5.7

    150

    580

    42.0/11.1

    180

    3.0

    5

    G 3/4-10

    31

    22

    040044

    44

    40

    5.7

    187

    580

    52.8/13.9

    224

    3.0

    5

    G 3/4-10

    31

    22

    040050

    50

    40

    5.7

    212

    580

    -

    -

    3.0

    5

    G 3/4-10

    31

    22

    025019 **

    19

    25

    7.9

    60

    362

    23.0/6.1

    72

    3.0

    5

    G 3/4-10

    31

    26

    025040 **

    40

    25

    7.9

    125

    362

    48.0/12.7

    150

    3.0

    5

    G 3/4-10

    31

    26

    025048 **

    48

    25

    7.9

    150

    362

    58.0/15.3

    180

    3.0

    5

    G 3/4-10

    31

    26

    025060 **

    60

    25

    7.9

    187

    362

    72.0/19.0

    224

    3.0

    5

    G 3/4-10

    31

    26

    025068 **

    68

    25

    7.9

    212

    -

    -

    -

    3.0

    5

    G 3/4-10

    31

    26

    PVDF version max. 25 bar, PTFE + 25 % carbon; PTFE max.16 bar

    Wetted materials for HYDRO HP2a

    Identity code of material

    Dosing head

    Connection on suction/discharge side

    Seals/ball seat

    Balls

    * Not for areas at risk from explosion

    HCT

    Hastelloy C

    Hastelloy C

    PTFE/Hastelloy C

    Ceramic

    PVT *

    PVDF

    PVDF

    PTFE/PTFE

    Ceramic

    SST

    Stainless steel 1.4571/1.4404

    Stainless steel 1.4581

    PTFE/stainless steel 1.4404

    Ceramic

    TTT

    PTFE + 25% carbon

    PVDF (polyvinylidene fluoride)

    PTFE/PTFE

    Ceramic

    Motor data for HYDRO HP2a

    Identity code specification Power supply  Remarks
    S3-phase, IP 55

    220 - 240 V/380 - 420 V

    250 – 280 V/440 – 480 V

    50 Hz

    60 Hz

    0.37 kW

     

     
    T3-phase, IP 55

    220 - 240 V/380 - 420 V

    250 – 280 V/440 – 480 V

    50 Hz

    60 Hz

    0.37 kW

     

    With PTC, speed control range 1:5
    R3-phase, IP 55230 V/400 V50/60 Hz0.37 kWWith PTC, speed control range 1:20 with external fan 1-phase 230 V; 50/60 Hz
    V01-phase, IP 55230 V ±10%50/60 Hz0.37 kWVariable speed motor with integrated frequency converter
    L13-phase, II 2G Ex eb IIC T3 Gb220 – 240 V/380 – 420 V50 Hz0.37 kW 
    L23-phase, II 2G Ex de IIC T4 Gb220 – 240 V/380 – 420 V50 Hz0.37 kWWith PTC, speed control range 1:5
    P13-phase, II 2G Ex e II T3254 – 277 V/440 – 480 V60 Hz0.37 kW 
    P23-phase, II 2G Ex de IIC T4254 – 277 V/440 – 480 V60 Hz0.37 kWWith PTC, speed control range 1:5
    V23-phase, II 2G Ex db IIC T4...T6 Gb400 V ± 10 %50/60 Hz0.55 kWEx-variable speed motor with integrated frequency converter
    * Three-phase motor according to IEC 60034-1

    Motor data sheets can be requested for more information. Versions 265/460V - 60Hz, special motors or special motor flanges are available on request.

    The motors are designed in accordance with the Eco Design Directive 2009/125/EC.

    Information for use in areas at risk from explosion

    Only use pumps with the appropriate labelling in line with the ATEX Directive 2014/34/EC in premises at risk from explosion. Ensure that the explosion group, category and degree of protection specified on the label correspond to or are superior to the conditions prevalent in the intended application.

    Hydraulic Diaphragm Metering Pump HYDRO HP3a

    Technical data for HYDRO HP3a

    Type

    Capacity at max. back pressure with 1500 rpm motor at 50 Hz

    Capacity at max. back pressure at 60 Hz

    Suction lift

    Perm. pre-pressure suction side

    Suction / discharge side connector

    Shipping weight

    Plunger Ø

    Max. stroke rate

    Max. stroke rate

    l/h

    bar

    ml/stroke

    Strokes/min

    psi

    l/h/gph (US)

    Strokes/min

    m WC

    bar

    G-DN

    kg

    mm

    * SST version with double ball valve, valve connector on the suction/discharge side with female thread Rp 3/8, male thread G 3/4-DN 10

    ** HV design (SST only) with G 1 - DN 15 connector

    *** HV design (SST only) with 1 1/4” - DN 20 connector

    100010

    10

    100

    5.7

    60

    1,450

    12/3.2

    72

    3.0

    5

    Rp 3/8-10

    41

    22

    100021 *

    21

    100

    5.7

    125

    1,450

    25/6.6

    150

    3.0

    5

    Rp 3/8-10

    41

    22

    100025 *

    25

    100

    5.7

    150

    1,450

    30/7.9

    180

    3.0

    5

    Rp 3/8-10

    41

    22

    100031 *

    31

    100

    5.7

    187

    1,450

    37/9.8

    224

    3.0

    5

    Rp 3/8-10

    41

    22

    100035 *

    35

    100

    5.7

    212

    1,450

    -

    -

    3.0

    5

    Rp 3/8-10

    41

    22

    064019 **

    19

    64

    7.9

    60

    928

    23/6.1

    72

    3.0

    5

    G 3/4-10

    41

    26

    064040 **

    40

    64

    7.9

    125

    928

    48/12.7

    150

    3.0

    5

    G 3/4-10

    41

    26

    064048 **

    48

    64

    7.9

    150

    928

    58/15.3

    180

    3.0

    5

    G 3/4-10

    41

    26

    064060 **

    60

    64

    7.9

    187

    928

    72/19.0

    224

    3.0

    5

    G 3/4-10

    41

    26

    064068 **

    68

    64

    7.9

    212

    928

    -

    -

    3.0

    5

    G 3/4-10

    41

    26

    040029 ***

    29

    40

    12.0

    60

    580

    35/9.2

    72

    3.0

    5

    G 1-15

    41

    32

    040062 ***

    62

    40

    12.0

    125

    580

    74/19.7

    150

    3.0

    5

    G 1-15

    41

    32

    040074 ***

    74

    40

    12.0

    150

    580

    89/23.5

    180

    3.0

    5

    G 1-15

    41

    32

    040092 ***

    92

    40

    12.0

    187

    580

    110/29.2

    224

    3.0

    5

    G 1-15

    41

    32

    040105 ***

    105

    40

    12.0

    212

    580

    -

    -

    3.0

    5

    G 1-15

    41

    32

    025048 ***

    48

    25

    17.0

    60

    362

    58/15.3

    72

    3.0

    5

    G 1-15

    41

    38

    025100 ***

    100

    25

    17.0

    125

    362

    120/31.7

    150

    3.0

    5

    G 1-15

    41

    38

    025120 ***

    120

    25

    17.0

    150

    362

    144/38.0

    180

    3.0

    5

    G 1-15

    41

    38

    025150 ***

    150

    25

    17.0

    187

    362

    180/47.6

    224

    3.0

    5

    G 1-15

    41

    38

    025170 ***

    170

    25

    17.0

    212

    362

    -

    -

    3.0

    5

    G 1-15

    41

    38

    PVDF version max. 25 bar, PTFE + 25 % carbon; PTFE max.16 bar

    SST version with double ball valve, valve connector on the suction/discharge side with female thread Rp 3/8, male thread G 3/4-DN 10

    Wetted materials for HYDRO HP3a

    Identity code of material

    Dosing head

    Connection on suction/discharge side

    Seals/ball seat

    Balls

    * Not for areas at risk from explosion

    HCT

    Hastelloy C

    Hastelloy C

    PTFE/Hastelloy C

    Ceramic

    PVT *

    PVDF

    PVDF

    PTFE/PTFE

    Ceramic

    SST

    Stainless steel 1.4571/1.4404

    Stainless steel 1.4581

    PTFE/ZrO2 (DN 15/DN20 stainless steel 1.4404)

    Ceramic

    TTT

    PTFE + 25% carbon

    PVDF (polyvinylidene fluoride)

    PTFE/PTFE

    Ceramic

    Motor data for HYDRO HP3a

    Identity code specification Power supply  Remarks
    S3-phase, IP 55

    220 - 240 V/380 - 420 V

    250 – 280 V/440 – 480 V

    50 Hz

    60 Hz

    0.75 kW

     

     
    T3-phase, IP 55

    220 - 240 V/380 - 420 V

    250 – 280 V/440 – 480 V

    50 Hz

    60 Hz

    0.75 kW

     

    with PTC, speed control range 1:5
    R3-phase, IP 55230 V/400 V50/60 Hz0.75 kWwith PTC, speed control range 1:20 with external fan 1-phase 230 V; 50/60 Hz
    V01-phase, IP 55230 V ±10%50/60 Hz0.75 kWVariable speed motor with integrated frequency converter
    L13-phase, II 2G Ex eb IIC T3 Gb220 – 240 V/380 – 420 V50 Hz0.75 kW 
    L23-phase, II 2G Ex de IIC T4220 – 240 V/380 – 420 V50 Hz0.75 kWwith PTC, speed control range 1:5
    P13-phase, II 2G Ex e II T3254 – 277 V/440 – 480 V60 Hz0.75 kW 
    P23-phase, II 2G Ex de IIC T4254 – 277 V/440 – 480 V60 Hz0.75 kWwith PTC, speed control range 1:5
    V23-phase, II 2G Ex db IIC T3...T6 Gb400 V ± 10 %50/60 Hz0.75 kWEx-variable speed motor with integrated frequency converter
    * 3-phase AC motor in accordance with IEC 60034-1

    Motor data sheets can be requested for more information. 265/460V - 60Hz versions, special motors or special motor flanges are available on request.

    The motors are designed in compliance with the Ecodesign Directive 2009/125/EC.

    Information for use in areas at risk from explosion

    Only use pumps with the appropriate labelling in line with the ATEX Directive 2014/34/EC in premises at risk from explosion. Ensure that the explosion group, category and degree of protection specified on the label correspond to or are superior to the conditions prevalent in the intended application.

    Hydraulic Diaphragm Metering Pump HYDRO HP4a

    Technical data for HYDRO HP4a

    Type

    Capacity at max. back pressure with 1500 rpm motor at 50 Hz

    Capacity at max. back pressure at 60 Hz

    Suction lift

    Perm. pre-pressure suction side

    Suction / discharge side connector

    Shipping weight

    Plunger Ø

    Max. stroke rate

    Max. stroke rate

    l/h

    bar

    ml/stroke

    Strokes/min

    psi

    l/h/gph (US)

    Strokes/min

    m WC

    bar

    G-DN

    kg

    mm

    400071

    71

    40

    25.1

    71

    580

    85/22

    86

    3

    1

    G 1 1/2-25

    69

    40

    400105

    105

    40

    25.1

    103

    580

    126/33

    124

    3

    1

    G 1 1/2-25

    69

    40

    400140

    140

    40

    25.1

    136

    580

    168/44

    164

    3

    1

    G 1 1/2-25

    69

    40

    400190

    190

    40

    25.1

    188

    580

    188/49

    225

    3

    1

    G 1 1/2-25

    69

    40

    400220

    220

    40

    25.1

    214

    580

    -

    -

    3

    1

    G 1 1/2-25

    69

    40

    250130

    130

    25

    42.4

    71

    363

    155/41

    86

    3

    1

    G 1 1/2-25

    69

    52

    250190

    190

    25

    42.4

    103

    363

    230/61

    124

    3

    1

    G 1 1/2-25

    69

    52

    250250

    250

    25

    42.4

    136

    363

    300/79

    164

    3

    1

    G 1 1/2-25

    69

    52

    250350

    350

    25

    42.4

    188

    363

    420/111

    225

    3

    1

    G 1 1/2-25

    69

    52

    250400

    400

    25

    42.4

    214

    -

    -

    -

    3

    1

    G 1 1/2-25

    69

    52

    160210

    210

    16

    62.3

    71

    232

    250/66

    86

    3

    1

    G 1 1/2-25

    76

    63

    160300

    300

    16

    62.3

    103

    232

    360/95

    124

    3

    1

    G 1 1/2-25

    76

    63

    160400

    400

    16

    62.3

    136

    232

    480/127

    164

    3

    1

    G 1 1/2-25

    76

    63

    160550

    550

    16

    62.3

    188

    232

    660/174

    225

    3

    1

    G 1 1/2-25

    76

    63

    160625

    625

    16

    62.3

    214

    -

    -

    -

    3

    1

    G 1 1/2-25

    76

    63

    100330

    330

    10

    100.4

    71

    145

    400/106

    86

    3

    1

    G 2-32

    87

    80

    100480

    480

    10

    100.4

    103

    145

    580/153

    124

    3

    1

    G 2-32

    87

    80

    100635

    635

    10

    100.4

    136

    145

    760/201

    164

    3

    1

    G 2-32

    87

    80

    100880

    880

    10

    100.4

    188

    145

    1,050/277

    225

    3

    1

    G 2-32

    87

    80

    101000

    1,000

    10

    100.4

    214

    -

    -

    -

    3

    1

    G 2-32

    87

    80

    070465

    465

    7

    138.7

    71

    102

    560/148

    86

    3

    1

    G 2 1/4-40

    96

    94

    070670

    670

    7

    138.7

    103

    102

    805/213

    124

    3

    1

    G 2 1/4-40

    96

    94

    070890

    890

    7

    138.7

    136

    102

    1,070/283

    164

    3

    1

    G 2 1/4-40

    96

    94

    071230

    1,230

    7

    138.7

    188

    102

    1,450/383

    225

    3

    1

    G 2 1/4-40

    96

    94

    071400

    1,400

    7

    138.7

    214

    -

    -

    -

    3

    1

    G 2 1/4-40

    96

    94

    PVDF version max. 25 bar, PTFE + 25 % carbon; PTFE max.10 bar

    Wetted materials for HYDRO HP4a

    Identity code of material

    Dosing head

    Connection on suction/discharge side

    Seals

    Valve seats

    Valve balls up to DN 25

    Valve plates/valve springs

    * Not for areas at risk from explosion

    HCT

    Hastelloy C

    Hastelloy C

    PTFE

    PTFE

    Hastelloy C

    Hastelloy C/E-CTFE

    PVT *

    PVDF

    PVDF

    PTFE

    PTFE

    Glass

    Ceramic/E-CTFE

    SST

    Stainless steel 1.4404

    Stainless steel 1.4404

    PTFE

    PTFE

    Stainless steel 1.4401

    Stainless steel 1.4404/Hastelloy C

    TTT

    PTFE + 25% carbon

    PVDF (polyvinylidene fluoride)

    PTFE

    PTFE

    Glass

    Ceramic/E-CTFE

    Motor data for HYDRO HP4a

    Identity code specification Power supply  Remarks
    S3-phase, IP 55

    220 - 240 V/380 - 420 V

    250 – 280 V/440 – 480 V

    50 Hz

    60 Hz

    1.1 kW

     

     
    T3-phase, IP 55

    220 - 240 V/380 - 420 V

    250 – 280 V/440 – 480 V

    50 Hz

    60 Hz

    1.1 kW

     

    With PTC, speed control range 1:5
    R3-phase, IP 55230 V/400 V50/60 Hz1.5 kWWith PTC, speed control range 1:20 with external fan 1-phase 230 V; 50/60 Hz
    V03-phase, IP 55400 V50/60 Hz1.5 kWVariable speed motor with integrated frequency converter
    L13-phase, II 2G Ex e II T3220 – 240 V/380 – 420 V50 Hz1.1 kW 
    L23-phase, II 2G Ex de IIC T4 Gb220 – 240 V/380 – 420 V50 Hz1.1 kWWith PTC, speed control range 1:5
    P13-phase, II 2G Ex e II T3254 – 277 V/440 – 480 V60 Hz1.1 kW 
    P23-phase, II 2G Ex de IIC T4254 – 277 V/440 – 480 V60 Hz1.1 kWWith PTC, speed control range 1:5
    V23-phase, II 2G Ex de IIC T4400 V ± 10 %50/60 Hz1.5 kWEx-variable speed motor with integrated frequency converter
    * 3-phase AC motor in accordance with IEC 60034-1

    Motor data sheets can be requested for more information. 265/460V - 60Hz versions, special motors or special motor flanges are available on request.

    The motors are designed in compliance with the Ecodesign Directive 2009/125/EC.

    Information for use in areas at risk from explosion

    Only use pumps with the appropriate labelling in line with the ATEX Directive 2014/34/EC in premises at risk from explosion. Ensure that the explosion group, category and degree of protection specified on the label correspond to or are superior to the conditions prevalent in the intended application.

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    Overview

    For flexible metering with excellent process reliability in the medium pressure range.

    The hydraulic diaphragm metering pump HYDRO with its HP2a, HP3a and HP4a product ranges forms an integrated product range with stroke lengths of 15 or 20 mm. This covers the capacity range from 3 to 1450 l/h at 100 – 7 bar. A wide range of drive versions is available for use in areas at risk from explosion with ATEX certification. The Hydro product range is designed to comply with API 675 among others.

    Your benefits

    Excellent process safety and reliability:

    • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
    • Integral hydraulic relief valve
    • Metering reproducibility is better than ± 1% within the 20-100% stroke volume range under defined conditions and with proper installation

    Excellent flexibility:

    • The modular construction with single and double head versions permits a wide range of applications, with the double head designs being operated in push-pull mode
    • It is possible to combine up to 5 metering units, even with different pump capacities, in multiple pump systems
    • 5 different gear ratios are available

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