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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 safety and reliability is just one feature of the extremely robust motor-driven diaphragm metering pump Sigma/ 3 Basic. It also offers a wide range of power end versions, such as three-phase or 1-phase AC motors, even for Exe and Exde areas with ATEX certification.

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 drive versions is available, including some for use in Exe and Exde areas with ATEX certification.

Your benefits

Excellent process safety and 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 and EHEDG certification enable them to be used in hygienically challenging applications
  • Wide range of power end versions, also for use in Exe and Exde areas 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 11 12

    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% with a 30-100% stroke length adjustment range under certain defined conditions and with proper 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
    • Degree of protection IP 55 (optionally II2GEExeIIT3, II2GEExdIICT4)
    • Highly rigid fibreglass-reinforced plastic housing with excellent chemical resistance
    • For reasons of safety, provide suitable overload protection mechanisms in all mechanically deflected diaphragm metering pumps.

    Sigma Basic Type Control Functions (S3Ba)

    Stroke length actuator/controller

    Actuator with stroke positioning motor for automatic stroke length adjustment. Setting time approx. 1 sec for 1 % stroke length. Resistance potentiometer 1 kΩ. Enclosure rating IP 54.

    Controller consisting of actuator with stroke positioning motor and in-built follower for stroke length adjustment via a standard signal. Standard signal current input 0/4-20 mA corresponds to stroke length 0 - 100%. Can be switched between manual and automatic operation, key switch for stroke adjustment for manual operation. Mechanical status display of actual stroke length value output 0/4-20 mA for remote display.

    Speed controllers in metal housing (identity code characteristic Z)

    The speed controller assembly consists of a speed controller and a 0.55 kW variable speed motor.

    "Physiologically safe (FDA) in respect of wetted materials" design “F”

    All wetted materials in the "Physiologically safe (FDA) in respect of wetted materials" design comply with the FDA guidelines (Version F).

    FDA guidelines:

    • Material PTFE: FDA-No. 21 CFR § 177.1550
    • Material PVDF: FDA-No. 21 CFR § 177.2510

    Available for material version PV and SS and DN 25 ball valve.

    Identity code example: S3BaH120330PV F S000S000

    Type S3BaWith 1500 rpm motor at 50 HzWith 1800 rpm motor at 60 HzPerm. pre-pressure suction sideSuction liftConnection, suction/discharge sideShipping weight
     Delivery rate at max. back pressureMax. stroke rateDelivery rate at max. back pressureMax. stroke rate    
    bar l/h ml/strokeStrokes/min psil/h/gph (US)Strokes/min bar m WCG–DN kg
    120145 PVT1014633.772145174/45.986251 1/2–2522
    120145 SST1214633.772174174/45.986251 1/2–2526
    120190 PVT1020833.7103145251/66.3124251 1/2–2522
    120190 SST1220833.7103174251/66.3124251 1/2–2526
    120270 PVT1029233.8144145351/92.7173251 1/2–2522
    120270 SST1229233.8144174351/92.7173251 1/2–2526
    120330 PVT*1036533.8180251 1/2–2522
    120330 SST*1236533.8180251 1/2–2526
    070410 PVT741095.172102492/129.986142–32–**24
    070410 SST741095.172102492/129.986142–32–**29
    070580 PVT758095.1103102696/183.8124142–32–**24
    070580 SST758095.1103102696/183.8124142–32–**29
    040830 PVT483095.1144581,000/264.1173132–32–**24
    040830 SST483095.1144581,000/264.1173132–32–**29
    041030 PVT*41,03095.1180132–32–**24
    041030 SST*41,03095.1180132–32–**29

    Performance data for TTT, see type PVT

    * only available for 50 Hz.

    ** DN32 plate valves with valve spring

    Materials in Contact With the Medium

      DN 25 ball valves  DN 32 plate valves
    MaterialSealsSuction/pressure connector on dosing headValve ballsValve seatsSuction/pressure connector on dosing headValve plates/valve springsValve seatsIntegral relief valve
    PVTPTFEPVDF GlassPTFE**PVDF Ceramic/ Hast C. + CTFE*PTFEPVDF/FKM or EPDM
    SSTPTFEStainless steel 1.4581Stainless steel 1.4404PTFE**Stainless steel 1.4581Stainless steel 1.4404/ Hast. CPTFEStainless steel/FKM or EPDM
    TTT***PTFEPTFE + 25% carbonCeramicPTFE**PVDFCeramic/ Hast C. + CTFE*PTFE
    * The valve spring is coated with CTFE (resistance similar to PTFE)
    ** On design "F", the ball seat is made of PVDF, only for DN 25 ball valves
    *** Specifically for areas at risk from explosion DN25: PTFE + 25% carbon; DN32 plate valves: PVDF

    Motor Data

    Identity code specificationPower supplyΔ/Y  Remarks
    S3-phase, IP 55220 – 240 V/380 – 420 V
    250 – 280 V/440 – 480 V
    50 Hz
    60 Hz
    0.37 kW
    0.37 kW
     
    T3-phase, IP 55220 – 240 V/380 – 420 V
    250 – 280 V/440 – 480 V
    50 Hz
    60 Hz
    0.37 kWwith PTC, speed control range 1:5
    R3-phase, IP 55220 – 240 V/380 – 420 V50 Hz0.55 kWwith PTC, speed adjustment range 1:20 with external fan 1-phase 230 V; 50/60 Hz
    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, II2GEExellT3220 – 240 V/380 – 420 V50 Hz0.37 kW 
    L23-phase, II2GEExdllCT4220 – 240 V/380 – 420 V50 Hz0.37 kWwith PTC, speed control range 1:5
    P13-phase, II2GEExellT3250 – 280 V/440 – 480 V60 Hz0.37 kW 
    P23-phase, II2GEExdllCT4250 – 280 V/440 – 480 V60 Hz0.37 kWwith PTC, speed control range 1:5
    V23-phase, II2GEExdllCT4400 V ± 10 %50/60 Hz0.55 kWEx-variable speed motor with integrated frequency converter. Mains feed: 3-phase + neutral + earth, adjustment range 1:10

    Motor data sheets can be requested for more information. Motors for Sigma basic pumps, special motors or special motor flanges are available on request.

    Motors less than 0.75 kW and motors designed for speed-controllable operation are not subject to the IE3 standard 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 94/9/EC in premises at risk from explosion. Ensure that the explosion group, category and degree of protection specified on the label corresponds to or is better than the conditions prevalent in the intended field of 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 drive versions is available, including some for use in Exe and Exde areas with ATEX certification.

    Your benefits

    Excellent process safety and 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 and EHEDG certification enable them to be used in hygienically challenging applications
    • Wide range of power end versions, also for use in Exe and Exde areas and different flange designs for the use of customised motors

    Application

    Technical Data

    Downloads

    Contact us

    Ralf Kiermaier

    Vice President Sales and Marketing, ProMinent GmbH

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

    +49 6221 842 0  Send request   

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