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Motor-Driven Metering Pump Sigma/ 3 (Basic Type)

Capacity range 146 – 1,030 l/h, 12 – 4 bar

The patented multi-layer safety diaphragm for excellent process reliability is just one feature of the extremely robust motor-driven metering pump Sigma/3 Basic. It also offers a wide range of power end versions, such as three-phase or 1-phase AC motors, also for use in ATEX areas.

Product description

The robust pump for safe and reliable use

The Sigma/ 3 diaphragm metering pump together with pumps of type Sigma/ 1 and Sigma/ 2 represent an integrated product range. They cover the capacity range from 17 to 1,030 l/h, with a consistent operating concept, control concept and spare parts management. A wide range of power end versions is available, including some for use in areas at risk from explosion.

Your benefits

Excellent process reliability:

  • In the event of an accident, the feed chemical does not escape to the outside nor into the pump's power end, thanks to the patented multi-layer safety diaphragm with optical (optionally electric) signalling
  • Integrated relief valve protects the pump against overloading
  • Reliable operation by bleed option during the suction process

Flexible adaptation to the process:

  • The entire Sigma product range is available as standard in a "Physiologically safe in respect of wetted materials" design.
  • Metering pumps with electro-polished stainless steel metering head enable them to be used in hygienically challenging applications
  • Wide range of power end versions, also for use in areas at risk from explosion, and different flange designs for the use of customised motors

Field of application

  • Volume-proportional addition of chemicals in water treatment, e.g. sodium-calcium hypochlorite for the disinfection of potable water
  • Addition of chemicals depending on the measured value, e.g. metering of acid and alkali for pH neutralisation in waste water treatment
  • Time-controlled addition of chemicals in the cooling water circuit
  • Pulse-controlled metering in the bottling of different volumes e.g. glycerin filling of manometers
    1 2 3 4 5 6 7 8 9 10

    Technical Details

    • Stroke length: 6 mm,
    • Stroke length adjustment range: 0 – 100%
    • Stroke length adjustment: manually by self-locking rotary dial in 1 % increments (optionally with actuator or control drive)
    • Metering reproducibility is better than ± 2% in the 30 – 100 % stroke length adjustment range under defined conditions and with correct installation.
    • Wetted materials: PVDF, stainless steel 1.4571/1.4404, special materials on request
    • Patented multi-layer safety diaphragm with optical diaphragm rupture display (optionally with diaphragm rupture warning system via a contact)
    • Integrated hydraulic relief and bleed valve
    • A wide range of power end versions is available: Three-phase standard motor, 1-phase AC motor, motors for use in Exe and Exde areas and different flange designs for use in customer-specific motors
    • For areas at risk from explosion II 2G Ex h IIC T3 Gb X or II 2G Ex h IIC T4 Gb X (optional)
    • Degree of protection IP 55
    • Highly rigid fibreglass-reinforced plastic housing with excellent chemical resistance
    • For reasons of safety, provide suitable overload protection mechanisms when installing all mechanically deflected diaphragm metering pumps.

    Technical Data

    Type

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

    Capacity at max. back pressure with 1800 rpm motor at 60 Hz

    Suction lift

    Perm. pre-pressure suction side

    Connector Suction/Discharge Side

    Shipping weight

    Max. stroke rate

    Max. stroke rate

    S3Ba

    l/h

    bar

    ml/stroke

    Strokes/min

    l/h

    psi

    gph (US)

    Strokes/min

    m WC

    bar

    G-DN

    kg

    * Only available for 50 Hz.

    ** DN32 plate valves with valve spring

    120145 PVT

    146

    10

    33.7

    72

    174

    145

    45.9

    86

    5

    2

    1 1/2–25

    22

    120145 SST

    146

    12

    33.7

    72

    174

    174

    45.9

    86

    5

    2

    1 1/2–25

    26

    120190 PVT

    208

    10

    33.7

    103

    251

    145

    66.3

    124

    5

    2

    1 1/2–25

    22

    120190 SST

    208

    12

    33.7

    103

    251

    174

    66.3

    124

    5

    2

    1 1/2–25

    26

    120270 PVT

    292

    10

    33.8

    144

    351

    145

    92.7

    173

    5

    2

    1 1/2–25

    22

    120270 SST

    292

    12

    33.8

    144

    351

    174

    92.7

    173

    5

    2

    1 1/2–25

    26

    120330 PVT *

    365

    10

    33.8

    180

    -

    -

    -

    -

    5

    2

    1 1/2–25

    22

    120330 SST *

    365

    12

    33.8

    180

    -

    -

    -

    -

    5

    2

    1 1/2–25

    26

    070410 PVT

    410

    7

    95.1

    72

    492

    102

    129.9

    86

    4

    1

    2–32 **

    24

    070410 SST

    410

    7

    95.1

    72

    492

    102

    129.9

    86

    4

    1

    2–32 **

    29

    070580 PVT

    580

    7

    95.1

    103

    696

    102

    183.8

    124

    4

    1

    2–32 **

    24

    070580 SST

    580

    7

    95.1

    103

    696

    102

    183.8

    124

    4

    1

    2–32 **

    29

    040830 PVT

    830

    4

    95.1

    144

    1,000

    58

    264.1

    173

    3

    1

    2–32 **

    24

    040830 SST

    830

    4

    95.1

    144

    1,000

    58

    264.1

    173

    3

    1

    2–32 **

    29

    041030 PVT *

    1,030

    4

    95.1

    180

    -

    -

    -

    -

    3

    1

    2–32 **

    24

    041030 SST *

    1,030

    4

    95.1

    180

    -

    -

    -

    -

    3

    1

    2–32 **

    29

    Performance data for TTT, see type PVT

    Materials in Contact With the Medium

    Identity code of material

    Seals

    Suction/pressure connector on dosing head DN 25

    Suction/pressure connector on dosing head DN 32

    * The valve spring is coated with CTFE (resistance similar to PTFE)

    ** With design “F”, the ball seat is made of PVDF, only for DN 25 ball valves

    *** Specifically for areas at risk from explosion

    PVT

    PTFE

    PVDF

    Glass

    PTFE **

    PVDF

    Ceramic/Hastelloy C + CTFE *

    PTFE

    PVDF/FKM or EPDM

    SST

    PTFE

    Stainless steel 1.4581

    Stainless steel 1.4404

    PTFE **

    Stainless steel 1.4581

    Stainless steel 1.4404/Hastelloy C

    PTFE

    Stainless steel/FKM or EPDM

    TTT ***

    PTFE

    PTFE + 25% carbon

    Ceramic

    PTFE **

    PVDF

    Ceramic/Hastelloy C + CTFE *

    PTFE

    -

    Motor Data

    Identity code specificationPower supplyΔ/Y  Remarks
    S3-phase, IP 55220 - 240 V/380 - 420 V50 Hz0.37 kW 
    T3-phase, IP 55220 - 240 V/380 - 420 V50 Hz0.37 kWWith PTC, speed control range 1:5
    R3-phase, IP 55220 - 240 V/380 - 420 V50 Hz0.55 kWWith PTC, speed control range 1:20 with external fan (1-phase 230 V; 50/60 Hz, 134 W)
    M1-phase AC, IP 55230 V ± 5 %50/60 Hz0.55 kW 
    N1-phase AC, IP 55115 V ± 5 %60 Hz0.55 kW 
    L13-phase, II2GExellT3220 – 240 V/380 – 420 V50 Hz0.37 kW 
    L23-phase, II2GExdllCT4220 – 240 V/380 – 420 V50 Hz0.37 kWWith PTC, speed control range 1:5
    P13-phase, II2GExellT3250 – 280 V/440 – 480 V60 Hz0.37 kW 
    P23-phase, II2GExdllCT4250 – 280 V/440 – 480 V60 Hz0.37 kWWith PTC, speed control range 1:5

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

    In accordance with the Eco Design Directive 2009/125/EC, motors of less than 0.75 kW and motors designed for operation with variable speed are not subject to the IE3 standard.

    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

    The robust pump for safe and reliable use

    The Sigma/ 3 diaphragm metering pump together with pumps of type Sigma/ 1 and Sigma/ 2 represent an integrated product range. They cover the capacity range from 17 to 1,030 l/h, with a consistent operating concept, control concept and spare parts management. A wide range of power end versions is available, including some for use in areas at risk from explosion.

    Your benefits

    Excellent process reliability:

    • In the event of an accident, the feed chemical does not escape to the outside nor into the pump's power end, thanks to the patented multi-layer safety diaphragm with optical (optionally electric) signalling
    • Integrated relief valve protects the pump against overloading
    • Reliable operation by bleed option during the suction process

    Flexible adaptation to the process:

    • The entire Sigma product range is available as standard in a "Physiologically safe in respect of wetted materials" design.
    • Metering pumps with electro-polished stainless steel metering head enable them to be used in hygienically challenging applications
    • Wide range of power end versions, also for use in areas at risk from explosion, and different flange designs for the use of customised motors

    Application

    Technical Data

    Downloads

    Contact us

    Prasanna Rao

    Managing Director, Heidelberg ProMinent Fluid Controls India Pvt. Ltd.

    »Please send us your request! We will contact you shortly.«

    +91 8023 5788 72  Send request   

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