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Hygienic design of motor-driven metering pump Sigma

Capacity range of the Sigma: 25 – 1,000 l/h, 10 – 4 bar

Hygienic design of motor-driven metering pump Sigma

Product description

Hygienic design: Meter precisely and hygienically

The hygienic design version of the Sigma diaphragm metering pumps is optimised in terms of dead space, feature as few gaps as possible and have smooth, wetted surfaces. They can be used flexibly and with ease in hygienically sensitive applications.

The simple construction and smooth surface make easy CIP possible and allow the device to be dismantled at speed. Ball non-return valves and EPDM seals ensure gentle and reliable metering for tasks with strict hygiene requirements (when working with aqueous foods or food additives).

Like all intelligent ProMinent metering pumps, the Sigma product range can be flexibly controlled using a highly diverse range of signals. Designed for continuous operation, hermetically sealed and without a shaft passage into the metering chamber, simple and reliable handling. A PTFE multi-layer diaphragm The multi-layer diaphragm (a minimum of two diaphragm layers on top of each other) prevents the escape of the feed chemical in the event of a fault. more in the glossary with diaphragm rupture control as standard offers additional process reliability.

Your benefits

  • Process reliability thanks to PTFE multi-layer safety diaphragm with condition monitoring
  • Rapid CIP, reliable operation and simple handling
  • Simple construction, optimised in terms of dead space and small number of parts, reliable operation, no shaft passage into the media chamber
  • Precise metering thanks to the option for adjusting the metering volume in 1% steps by means of stroke rate and stroke length
  • Physiologically safe wetted materials (FDA and 1935/2004); reliable and flexible Sigma motor-driven metering pump with ball non-return valves enables a wide range of applications
  • Flexibly connectible: Connection to process management systems via integral PROFIBUS®, CANopen interface

Field of application

Metering of aqueous foods or food additives in the food and beverage industry. Example:

  • Metering of dyes, e.g. beta carotene
  • Metering of aromas, flavour additives, sugar solutions, additives
  • Metering of enzymes, stabilisers, liquid yeasts

    Technical Details

    Capacity ranges:

    • Sigma/ 1: 25 l/h/10 bar to 70 l/h/7 bar – nominal width DN 10
    • Sigma/ 2: 50 l/h/10 bar to 350 l/h/4 bar – nominal width DN 15, DN 25
    • Sigma/ 3: 150 l/h/10 bar to 990 l/h/4 bar – nominal width DN 25, DN 32

    Wetted materials:

    • Liquid end, valves, valve seat: 1.4435
    • Seals: EPDM
    • Valve balls: ceramic Al2O3
    • Diaphragm: PTFE multi-layer diaphragm with diaphragm rupture warning system

    Connection types:

    • Tri clamp: DIN 11864-3

    Features:

    • CIP-capable up to 130 °C, max. 2 bar, max. 15 min.
    • Smooth surfaces: electropolished Ra ≤ 0.8 µm (wetted), optimised in terms of dead space and liquid end with as few gaps as possible
    • Integrated controller, universal and flexible: External activation via potential-free contacts, mA or ProfiBus and/or ProfiNet via Dulconvert
    • Operating statuses remotely transmitted via an additional output or relay module
    • Wide-range voltage power unit, power supply: 1 ph, 100 – 230 V ±10 %, 240 V ±6 %, 50/60 Hz
    • Stroke length adjustment range 0 – 100%
    • IP 65 degree of protection
    • Confirmations: FDA, 1935/2004
    • EN10204 Type 2.2 factory certificate for surface roughness Ra ≤ 0.8 µm
    • GMP EC 2023/2006
    • Wide range of power end versions, also for use in areas at risk from explosion, and different flange designs (Sigma Basic)
    • EN 10204 3.1 material certificate, performance curves (on request)

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    Overview

    Hygienic design: Meter precisely and hygienically

    The hygienic design version of the Sigma diaphragm metering pumps is optimised in terms of dead space, feature as few gaps as possible and have smooth, wetted surfaces. They can be used flexibly and with ease in hygienically sensitive applications.

    The simple construction and smooth surface make easy CIP possible and allow the device to be dismantled at speed. Ball non-return valves and EPDM seals ensure gentle and reliable metering for tasks with strict hygiene requirements (when working with aqueous foods or food additives).

    Like all intelligent ProMinent metering pumps, the Sigma product range can be flexibly controlled using a highly diverse range of signals. Designed for continuous operation, hermetically sealed and without a shaft passage into the metering chamber, simple and reliable handling. A PTFE multi-layer diaphragm The multi-layer diaphragm (a minimum of two diaphragm layers on top of each other) prevents the escape of the feed chemical in the event of a fault. more in the glossary with diaphragm rupture control as standard offers additional process reliability.

    Your benefits

    • Process reliability thanks to PTFE multi-layer safety diaphragm with condition monitoring
    • Rapid CIP, reliable operation and simple handling
    • Simple construction, optimised in terms of dead space and small number of parts, reliable operation, no shaft passage into the media chamber
    • Precise metering thanks to the option for adjusting the metering volume in 1% steps by means of stroke rate and stroke length
    • Physiologically safe wetted materials (FDA and 1935/2004); reliable and flexible Sigma motor-driven metering pump with ball non-return valves enables a wide range of applications
    • Flexibly connectible: Connection to process management systems via integral PROFIBUS®, CANopen interface

    Application

    Technical Data

    Downloads

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