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Pneumatic 2/2-way diaphragm valve made of metal

GEMÜ 656

ConfigureTechnical data sheet
Pneumatically operated diaphragm valve with flange connections and large plastic drive housing – ideal for water treatment, chemical industry, and process engineering.

Deep-seated diaphragm valve with metal actuator

Product information

The GEMÜ 656 2/2-way diaphragm valve has a low maintenance metal membrane actuator and is pneumatically operated. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) control functions are available. The valve body has a full bore design.

Key features

  • High flow rate due to straight through flow
  • Suitable for media with a high solids content such as fibres, coarse particles and sludge
  • High mechanical stability
  • Valve can be cleaned without disassembly of actuator
Pneumatically operated diaphragm valve with flange connections and large plastic drive housing – ideal for water treatment, chemical industry, and process engineering.

Technical features

Parameters
Value
Media temperature
0 to 100 °C
Ambient temperature
0 to 60 °C
Operating pressure
0 to 7 bar
Nominal sizes
DN 25 to 250
Body configurations
2/2-way body
Connection types
Flange
Connection standards
ANSI
EN
ISO
Body materials
EN-GJL-250, cast iron material
EN-GJS-400-18-LT
EN-GJS-400-18-LT, SG iron material
EN-GJS-500-7, ductile iron material
Diaphragm materials
CR
EPDM
IIR
NBR
NR
Conformities
CRN
EAC

Downloads

37 Results
  • Instrucciones de montaje diaphragm change MG 10-300

    pdf, 1.80 MB, ES

  • Montagevejledning diaphragm change MG 8

    pdf, 1.47 MB, DA

  • Fiche de spécifications pour le dimensionnement de vannes à membrane

    pdf, 769 KB, FR

  • Spezifikationsblatt Membranventile Metall

    pdf, 1.23 MB, DE

  • Specification sheet diaphragm valves

    pdf, 769 KB, EN

  • Datenblatt GEMÜ 656

    pdf, 3.00 MB, DE

  • Technical information angels of rotation

    pdf, 1.87 MB, EN

  • Monteringsanvisning diaphragm change MG 8

    pdf, 1.47 MB, SV

  • kurzanleitung_membranwechsel_mg10_300_cs

    pdf, 1.81 MB, CS

  • diaphragm change MG 10-300

    pdf, 323 KB, TR

  • Notice de montage diaphragm change MG 8

    pdf, 1.48 MB, FR

  • Fiche technique GEMÜ 656

    pdf, 3.00 MB, FR

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

    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.