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Pneumatic 2/2-way diaphragm valve made of plastic

GEMÜ R690

Configure
Pneumatic diaphragm valve made of plastic with adhesive sleeve connections – ideal for water treatment, chemical industry, and process engineering.

Universal diaphragm valve with high flow valve body

Product information

The GEMÜ R690 2/2-way diaphragm valve has a low maintenance membrane actuator and is pneumatically operated. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) control functions are available. The high-flow valve body provides compact dimensions at high flow rates.

Key features

  • Compact system design due to flow-optimized high-flow valve bodies
  • Reduced control air consumption
  • Modified spring sets available for applications with reduced control pressure
  • Position indicator and positioner optionally available
  • Closing stroke limiter optionally available
Pneumatic diaphragm valve made of plastic with adhesive sleeve connections – ideal for water treatment, chemical industry, and process engineering.

Technical features

Parameters
Value
Media temperature
-10 to 80 °C14 to 176 °F
Ambient temperature
-10 to 50 °C14 to 122 °F
Operating pressure
0 to 10 bar0 to 150 psi
Nominal sizes
DN 15 to 1001/2" (DN 15) to 4" (DN 100)
Body configurations
2/2-way body
Connection standards
ANSI
ASTM
BS
DIN
EN
ISO
JIS
Connection types
Flange
Spigot
Union end
Flange
Spigot
Union end
Body materials
ABS
Inliner PP-H, grey / outliner PP, reinforced
Inliner PVDF/outliner PP, reinforced
PP, reinforced
PVC-U, grey
PVDF
Diaphragm materials
EPDM
FKM
NBR
PTFE/EPDM
Conformities
ACS
EAC
FDA
NSF
System 1+

Downloads

10 Results
  • Návod k obsluze GEMÜ R690

    pdf, 1.04 MB, CS

  • Notice d'utilisation GEMÜ R690

    pdf, 1.03 MB, FR

  • Application brochure Fertilizer production

    pdf, 1.32 MB, EN

  • Produktzertifikat OFI water - GEMÜ plastic diaphragm valve collection

    pdf, 886 KB, DE

  • Üzemeltetési útmutató GEMÜ R690

    pdf, 1.05 MB, HU

  • Betriebsanleitung / Kullanim kilavuzu GEMÜ R690

    pdf, 1.04 MB, DE/TR

  • Руководство по эксплуатации GEMÜ R690

    pdf, 1.10 MB, RU

  • Betriebsanleitung / Operating instructions GEMÜ R690

    pdf, 9.44 MB, DE/EN

  • Instrukcja obsługi GEMÜ R690

    pdf, 1.04 MB, PL

  • Anwendungsbroschüre Elektropolieranlagen

    pdf, 756 KB, DE

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.