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Manual 2/2-way container valve with metal body

GEMÜ 643

ConfigureTechnical data sheet
Manual GEMÜ diaphragm valve with stainless steel body and funnel-shaped inlet – ideal for powdery, granular or pasty media in industrial applications.

Valve with manual angle actuator and plastic handwheel

Product information

The GEMÜ 643 2/2-way tank bottom valve has a manual side mounted gear operator with a plastic handwheel. An integral optical position indicator is standard. The stainless steel valve body is machined from a single block (monoblock, no welded components). The metal distance piece and the operator housing are made from stainless steel.

Key features

  • Compact design
  • Operator rotatable 360°
  • A shaft extension for the handwheel can be mounted by the user
  • The temperature resistant plastic handwheel prevents burns injuries at high operating temperatures
Manual GEMÜ diaphragm valve with stainless steel body and funnel-shaped inlet – ideal for powdery, granular or pasty media in industrial applications.

Technical details

Parameters
Value
Media temperature
-10 to 100 °C
Sterilization temperature
Max. 150 °C
Ambient temperature
0 to 60 °C
Operating pressure
0 to 10 bar
Nominal sizes
DN 15 to 40
Body configurations
Tank valve body
Connection types
Spigot
Connection standards
ANSI
ASME
DIN
EN
ISO
SMS
Body materials
1.4435 (316L), forged material
1.4435 (BN2), forged material
Diaphragm materials
EPDM
PTFE/EPDM
Conformities
BSE/TSE
CRN
EAC
FDA
Pressure Equipment Directive
Regulation (EC) No. 1935/2004
TA Luft (German Clean Air Act)
USP

Downloads

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

    pdf, 1.80 MB, ES

  • Montagevejledning diaphragm change MG 8

    pdf, 1.47 MB, DA

  • Produktzertifikat passivated - electropolished GEMÜ valve body collection

    pdf, 86 KB, DE

  • Fiche de spécifications pour le dimensionnement de vannes à membrane

    pdf, 769 KB, FR

  • Spezifikationsblatt Membranventile Metall

    pdf, 1.23 MB, DE

  • Betriebsanleitung / Operating instructions GEMÜ 643

    pdf, 1.02 MB, DE/EN

  • Specification sheet diaphragm valves

    pdf, 769 KB, EN

  • Product certificate RoHS - GEMÜ product collection

    pdf, 450 KB, DE/EN

  • Monteringsanvisning diaphragm change MG 8

    pdf, 1.47 MB, SV

  • Руководство по монтажу GEMÜ Code 5M

    pdf, 3.60 MB, RU

  • Produktzertifikat TA-Luft - GEMÜ diaphragm valve collection - TÜV

    pdf, 103 KB, DE

  • kurzanleitung_membranwechsel_mg10_300_cs

    pdf, 1.81 MB, CS

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.