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Plunger Metering Pump Sigma/ 2 (Basic Type)

Capacity range 2 – 76 l/h, 320 – 12 bar

The plunger metering pump Sigma SBKa is an extremely robust plunger metering pump with high-performance plunger and the option to adjust the pump capacity in 0.2% increments. It 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

Sigma plunger pump – durable and high-performance

The plunger metering pump Sigma/ 2 (Basic Type) (SBKa) is a metering pump, the pump capacity of which can be precisely adjusted in 0.2% increments, either manually or optionally with an electric actuator An actuator is used to move the adjustment spindle for the stroke length adjustment of a ... more in the glossary or control drive. A wide range of power end versions is available for use in areas at risk from explosion with ATEX certification.

Your benefits

Excellent process safety and reliability:

  • Metering reproducibility is better than ± 1% within the 10 – 100% stroke length range under defined conditions and with correct installation

Flexible adaptation to the process:

  • Wide range of power end versions, also for use in Exe and Exde areas and different flange designs for the use of customised motors
  • Customised designs are available on request

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.

  • Volume-proportional metering of chemicals 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
    • Stroke length adjustment range: 0 – 100%
    • Stroke length adjustment: manually by self-locking rotary dial in 0.2% increments (optionally with electric actuator or control drive)
    • Metering reproducibility is better than ± 1 % within the 10-100% stroke volume adjustment range under certain defined conditions and with correct installation
    • Wetted materials: Stainless steel 1.4571/1.4404, special materials are available on request
    • High-performance oxide ceramic plunger
    • A wide range of power end versions is available: Three-phase standard motor, 1-phase AC motor, motors for use in areas at risk from explosion and different flange designs for use in customer-specific motors
    • Degree of protection IP 55
    • Highly rigid fibreglass-reinforced plastic housing with excellent chemical resistance
    • Provide suitable overload protection in all plunger metering pumps during installation for safety reasons

    Control of Sigma Basic type SBKa

    Stroke length actuator/control drive

    Actuator for automatic stroke length adjustment, actuating period approx. 1 second for 1 % stroke length, return potentiometer 1 kΩ degree of protection IP 54.

    Control drive consisting of an actuator and an integral servo controller for stroke length adjustment via a standard signal. Standard current input 0/4-20 mA corresponds to stroke length 0 - 100%. Switch-over for manual/automatic operation, key switch for stroke adjustment in manual mode, mechanical position display of actual stroke length value output 0/4-20 mA for remote display.

    Variable speed motors with integrated frequency converter (identity code specification V)

    Power supply 1-phase 230 V, 50/60 Hz, 0.37 kW

    Externally controllable with 0/4-20 mA (see Fig. pk_2_103).

    Speed controllers in metal housing (identity code specification Z)

    The speed controller assembly consists of a frequency converter and a variable speed motor of 0.37 kW.

    Technical Data

    Materials in Contact with the Medium

    Motor Data

    Identity code specification Power supply  Remarks
    S3-phase, IP 55*230 V/400 V50 Hz0.25 kW 
    R3-phase, IP 55*230 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 55*230 V50/60 Hz0.37 kWVariable speed stroke control motor with integrated frequency converter
    M1-phase AC, IP 55230 V ± 5 %50/60 Hz0.18 kW 
    N1-phase AC, IP 55115 V ± 5 %60 Hz0.18 kW 
    L13-phase, II 2G Ex e II T3220 – 240 V/380 – 420 V50 Hz0.18 kWOn request
    L23-phase, II 2G Ex de IIC T4220 – 240 V/380 – 420 V50 Hz0.18 kWWith PTC, speed control range 1:5
    P13-phase, II 2G Ex e II T3250 – 280 V/440 – 480 V60 Hz0.18 kWOn request
    P23-phase, II 2G Ex de IIC T4250 – 280 V/440 – 480 V60 Hz0.21 kWWith PTC, speed control range 1:5

    Motor data sheets can be requested for more information.

    Special motors or special motor flanges are available on request.

    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

    Sigma plunger pump – durable and high-performance

    The plunger metering pump Sigma/ 2 (Basic Type) (SBKa) is a metering pump, the pump capacity of which can be precisely adjusted in 0.2% increments, either manually or optionally with an electric actuator An actuator is used to move the adjustment spindle for the stroke length adjustment of a ... more in the glossary or control drive. A wide range of power end versions is available for use in areas at risk from explosion with ATEX certification.

    Your benefits

    Excellent process safety and reliability:

    • Metering reproducibility is better than ± 1% within the 10 – 100% stroke length range under defined conditions and with correct installation

    Flexible adaptation to the process:

    • Wide range of power end versions, also for use in Exe and Exde areas and different flange designs for the use of customised motors
    • Customised designs are available on request

    Application

    Technical Data

    Downloads

    Contact us

    Tze Lin Mak

    Managing Director, ProMinent Fluid Controls PFC far East Pte Ltd.

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

    +65 6747 4935  Send request   

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