Select branch and language

Select language

Personal AI assistant

Do you have any questions? Start a conversation.

Internal sales

For all sales-related matters:

Tel: +49 7940 123 8509

Send an enquiry

Service helpline

For all after-sales matters:

Tel: +49 7940 123 450

Contact the helpline

Manual 2/2-way diaphragm valve made of plastic

GEMÜ R677

Configure
Manual plastic diaphragm valve with adhesive sleeve connections and visual position indicator – ideal for water treatment, the chemical industry, and process engineering.

Universal diaphragm valve with high flow valve body

Product information

The GEMÜ R677 2/2-way diaphragm valve has a low maintenance plastic actuator and is manually operated. An integrated optical position indicator is standard. 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
  • Lockable handwheel optionally available
  • Position feedback optionally available
  • Integral optical position indicator
Manual plastic diaphragm valve with adhesive sleeve connections and visual position indicator – ideal for water treatment, the chemical industry, and process engineering.

Technical features

Parameters
Value
Media temperature
-10 to 80 °C
Ambient temperature
-10 to 50 °C
Operating pressure
0 to 10 bar
Nominal sizes
DN 15 to 100
Body configurations
2/2-way body
Connection types
Flange
Spigot
Union end
Connection standards
ANSI
ASTM
BS
DIN
EN
ISO
JIS
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

8 Results
  • Üzemeltetési útmutató GEMÜ R677

    pdf, 839 KB, HU

  • Instrukcja obsługi GEMÜ R677

    pdf, 869 KB, PL

  • Application brochure Fertilizer production

    pdf, 1.32 MB, EN

  • Produktzertifikat OFI water - GEMÜ plastic diaphragm valve collection

    pdf, 886 KB, DE

  • Návod k obsluze GEMÜ R677

    pdf, 842 KB, CS

  • Betriebsanleitung / Operating instructions GEMÜ R677

    pdf, 6.07 MB, DE/EN

  • Anwendungsbroschüre Elektropolieranlagen

    pdf, 756 KB, DE

  • Bedieningshandleiding GEMÜ R677

    pdf, 828 KB, NL

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.