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Manual 2/2-way diaphragm valve made of plastic

GEMÜ R677

ConfigureTechnical data sheet
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 details

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 bodies
Connection standards
ANSI
ASTM
BS
DIN
EN
ISO
JIS
Connection types
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
System 1+

Downloads

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    pdf (2 MB) -
    EN

  • bs_a_IND_07_electropolishing-systems_en

    pdf (592 KB) -
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  • Application brochure Fertilizer production

    pdf (1 MB) -
    EN

  • Betriebsanleitung / Operating instructions GEMÜ R677

    pdf (6 MB) -
    DE/EN

  • Operating instructions GEMÜ R677

    pdf (4 MB) -
    EN

  • Technical information GEMÜ R629, R639, R647, R649, R677, R690

    pdf (680 KB) -
    EN

  • Product certificate NSF - GEMÜ product collection

    pdf (31 KB) -
    EN

  • Datasheet GEMÜ R677

    pdf (3 MB) -
    EN

  • Product certificate NSF - GEMÜ product collection

    pdf (122 KB) -
    EN

  • Datasheet GEMÜ R677 (US)

    pdf (3 MB) -
    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 in operation

    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.