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Electromotive 2/2-way Mambrane valve with metal body

GEMÜ 628

ConfigureTechnical data sheet
Electrically operated diaphragm valve with flange connection and handwheel – ideal for the chemical industry, water treatment, and process automation.

Robust diaphragm globe valve with AUMA actuator

Product information

The GEMÜ 628 motorized 2/2-way diaphragm valve has a motor/control units made by AUMA. The valve body has a weir-type design.

Key features

  • No auxiliary air pressure supply required
  • Diaphragm valve body combinations for virtually all media available
  • Optional flow direction
  • Valve can be cleaned without disassembly of actuator
  • Proven motorized actuators and control units in modular design
Electrically operated diaphragm valve with flange connection and handwheel – ideal for the chemical industry, water treatment, and process automation.

Technical details

Parameters
Value
Media temperature
0 Up to 150 °C
Ambient temperature
0 Up to 50 °C
Operating pressure
0 Up to 10 bar
Nominal sizes
DN 32 Up to 150
Connection types
Flange
thread
Body materials
EN-GJL-250, cast iron material
EN-GJS-400-18-LT (GGG 40.3)
EN-GJS-400-18-LT, SG iron material with butyl lining
EN-GJS-400-18-LT, SG iron material with hard rubber lining
EN-GJS-400-18-LT, SG iron material with soft rubber lining
EN-GJS-400-18-LT, SG iron material, PFA lined
EN-GJS-400-18-LT, SG iron material, PP lined
EN-GJS-500-7, ductile iron material, PFA lined
EN-GJS-500-7, ductile iron material, PP lined
Conformities
CRN
EAC

Downloads

6 Results
  • Product certificate RoHS - GEMÜ product collection

    pdf (450 KB) -
    DE/EN

  • Data sheet GEMÜ 628

    pdf (2 MB) -
    EN

  • Product certificate RoHS - GEMÜ product collection

    pdf (305 KB) -
    DE/EN

  • Herstellererklaerung-Verordnung-EU-2024-590-de-2026-02-25

    pdf (84 KB) -
    DE

  • Datenblatt GEMÜ 628

    pdf (1 MB) -
    DE

  • Manufacturers-Declaration-Regulation-EU-2024-590-gb-2026-02-24

    pdf (39 KB) -
    EN

Suitable services

  • Expert knowledge
    for your applications

    Training

    Deepen your expertise in valve technology and plant control. Our training courses provide practical content to help you design processes that are safe, efficient, and compliant with standards.

  • Ensure longevity
    and reliability

    Maintenance

    Regular maintenance ensures consistently stable processes. Our service teams ensure the availability of your systems and reliably extend the service life of your components.

  • Fast, efficient and
    precise in operation

    Repair

    When it comes to repairs, every minute counts. Our experts analyze, repair, and test reliably - using original spare parts, technical precision, and a focus on minimizing downtime.

  • Intelligent networking with GEMÜ CONEXO

    Digital support

    CONEXO makes maintenance digital: RFID technology and mobile apps enable the unique identification of your components and document maintenance processes transparently.