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Pneumatic 2/2-way diaphragm valve made of metal

GEMÜ 650 BioStar

ConfigureTechnical data sheet
Pneumatically operated diaphragm valve made of stainless steel with aseptic pipe connection – ideal for pharmaceutical, food, and biotechnology applications.

Compact aseptic valve with low-maintenance stainless steel piston actuator

Product information

The GEMÜ 650 BioStar 2/2-way diaphragm valve has a stainless steel piston actuator and is pneumatically operated. The valve is designed for use in a sterile environment. All actuator parts are made from stainless steel (except seals). The compression springs of diaphragm sizes 80 and 100 are made of epoxy-coated spring steel. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) control functions are available. An integrated optical position indicator is standard.

Key features

  • Compact design (ideal when space is at a premium)
  • CIP/SIP capable
  • Autoclave capability, depending on version
  • Controlled exhaust air duct available as an option
  • Wide range of adaptation options for add-on components and accessories
  • Version according to ATEX on request
Pneumatically operated diaphragm valve made of stainless steel with aseptic pipe connection – ideal for pharmaceutical, food, and biotechnology applications.

Technical features

Parameters
Value
Media temperature
-30 to 130 °C
Sterilization temperature
max. 150 °C
Ambient temperature
-20 to 60 °C
Operating pressure
0 to 10 bar
Nominal sizes
DN 4 to 150
Body configurations
2/2-way body
i-body
Multi-port body
Tank valve body
T-body
Welding configuration
Connection types
Clamp
Flange
Spigot
Threaded connection
Connection standards
ANSI
ASME
BS
DIN
EN
ISO
JIS
SMS
Body materials
1.4408, investment casting material
1.4408, investment casting material, PFA lined
1.4435 (316L), block material
1.4435 (316L), forged material
1.4435 (BN2), forged material
1.4435, investment casting material
1.4539 (904L), forged material
Diaphragm materials
EPDM
PTFE/EPDM
PTFE/PVDF/EPDM
Conformities
3A
BSE/TSE
CRN
EAC
EHEDG
FDA
FMEDA
Oxygen
Reg. (EU) No. 10/2011
Regulation (EC) No. 1935/2004
Regulation (EC) No. 2023/2006
SIL
TA Luft (German Clean Air Act)
USP

Downloads

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

    pdf, 1.80 MB, ES

  • Montagevejledning diaphragm change MG 8

    pdf, 1.47 MB, DA

  • Betriebsanleitung GEMÜ 650, 687

    pdf, 6.62 MB, DE

  • Datenblatt / Ficha técnica GEMÜ 650

    pdf, 7.66 MB, ES

  • Fiche technique GEMÜ 650

    pdf, 7.66 MB, FR

  • Notice d'utilisation GEMÜ 650, 687

    pdf, 5.07 MB, FR

  • Produktzertifikat passivated - electropolished GEMÜ valve body collection

    pdf, 86 KB, DE

  • Technical information GEMÜ 601, 605, 611, 612, 615, 625, 629, 639, 695, 687, 660, 650, 653, 654, 649

    pdf, 169 KB, EN

  • Fiche de spécifications pour le dimensionnement de vannes à membrane

    pdf, 769 KB, FR

  • Spezifikationsblatt Membranventile Metall

    pdf, 1.23 MB, DE

  • Instruções de operação GEMÜ 650

    pdf, 8.45 MB, PT

  • Beiblatt / Supplement GEMÜ 658, 650, 688 KNR5759

    pdf, 257 KB, DE/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

    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.