Select branch and language

Select language

Internal sales

For all sales-related matters:

Tel: +45 70 222 516

Send an enquiry

Service helpline

For all after-sales matters:

Tel: +49 7940 123 450

Contact the helpline

Pneumatic 2/2-way diaphragm valve with metal body

GEMÜ 620

Configure
Pneumatically operated diaphragm valve with flange connection and plastic drive housing – ideal for the chemical industry, water treatment, and process engineering.

Valve with metal piece for drive for high temperature resistance

Product information

The GEMÜ 620 2/2-way diaphragm valve has a low maintenance membrane actuator made of metal or plastic and is pneumatically operated. The valve has a metal distance piece. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) control functions are available.

Key features

  • Drive housing available in plastic or metal
  • Various lining materials are available, such as PFA, PP or hard rubber
  • Customised painting and coating options on request
  • Extensive range of spare parts
  • Standard optical position indicator
  • Wide range of adaptation options for add-on components and accessories
  • Suitable for particulate and abrasive media
Pneumatically operated diaphragm valve with flange connection and plastic drive housing – ideal for the chemical industry, water treatment, and process engineering.

Technical details

Parameters
Value
Media temperature
0 to 100 °C
Ambient temperature
-10 to 60 °C
Operating pressure
0 to 10 bar
Nominal sizes
DN 15 to 150
Body configurations
2/2-way body
Connection types
Flange
Threaded connection
Connection standards
ANSI
BS
EN
ISO
Body materials
EN-GJL-250, cast iron material
EN-GJS-400-18-LT (GGG 40.3), PFA lined
EN-GJS-400-18-LT (GGG 40.3), PP lined
EN-GJS-400-18-LT, hard rubber lined
EN-GJS-400-18-LT, SG iron material
EN-GJS-400-18-LT, SG iron material with butyl lining
EN-GJS-400-18-LT, SG iron material with soft rubber lining
EN-GJS-500-7, ductile iron material, PFA lined
EN-GJS-500-7, ductile iron material, PP lined
Diaphragm materials
CR
EPDM
FKM
NBR
PTFE/EPDM
PTFE/FKM
PTFE/PVDF/EPDM
Conformities
CRN
EAC
FDA
TA Luft (German Clean Air Act)

Downloads

59 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

  • Product certificate RoHS - GEMÜ product collection

    pdf, 450 KB, DE/EN

  • Technical information angels of rotation

    pdf, 1.87 MB, EN

  • Monteringsanvisning diaphragm change MG 8

    pdf, 1.47 MB, SV

  • Руководство по монтажу GEMÜ Code 5M

    pdf, 3.60 MB, RU

  • 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

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.