Home
  • GEMU 610 Diaphragm Valve, Plastic

    Construction
    The GEMU 610 pneumatically operated 2/2-way diaphragm valve has a low-maintenance plastic piston actuator which can be controlled by inert gases. Normally closed, Normally open and Double acting control functions are available.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • The valve is insensitive to particulate, abrasive media
    • Integral optical position indicator
    • Compact design
    • The valve body and diaphragm are available in various materials
    • Optional flow direction and mounting position
    Advantages
    • All medium wetted parts and housing made of plastic
    • Optional accessories
      • Stroke limiter
      • Electrical position indicator
      • Electrical position indicators with microswitches or proximity switches
    • Special solutions and block versions on request

  • GEMU 613 Diaphragm Valve, Plastic

    Construction

    • Valve body and diaphragm are available in various materials
    • Low maintenance electric actuator with reversible synchronous motor
    • Reduction gear is operated via a cam
    • A spring ensures continuous contact between the cam and the valve spindle
    • Optical position indicator
    Features
    • Suitable for inert and corrosive" liquid, viscous and gaseous media
    • Insensitive to contaminated abrasive media
    • Direct 4-20 (0-20) mA control using an optional module or an integrated control module
    • Electrical position indication by means of a potentiometer (optional module) or potential-free limit switches
    • Consistent adjustable control system and reliable opening and closing action
    • Valve in nominal bore size 15 mm with male threads can be fitted to the pipeline without additional connection elements
    • Optional flow direction and mounting position
    Advantages
    • Long-life synchronous motor, no danger of burn-out
    • Opening and closing behaviour is independent of the working pressure
    • High flow capability
    • High efficiency

  • GEMU 617 Diaphragm Valve, Plastic

    Construction
    The GEMU 617 manually operated 2/2-way diaphragm valve has a low-maintenance plastic bonnet. An optical position indicator is integrated as standard.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • The valve is insensitive to contaminated abrasive media
    • Integral optical position indicator
    • Compact design
    • Valve body and diaphragm are available in various materials
    • Optional flow direction and mounting position
    Advantages
    • All medium wetted parts and the housing are made of plastic
    • High flow capability

  • GEMU 667 Diaphragm Valve, Plastic

    Construction
    The GEMU 667 pneumatically operated 2/2 way diaphragm valve has a low maintenance membrane actuator. All medium wetted parts and the housing are made of plastic.
    Valve sizes DN 15 to DN 50 are self-opening due to integral springs (Control function 2), valve sizes DN 65 and DN 80 are opened by the pressure of the working medium on the diaphragm (Control function 5).

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Valve body and diaphragm available in various materials and designs
    • Insensitive to particulate media
    • Various connections available

    Advantages
    • Optional flow direction, will seal in either flow direction up to full working pressure
    • Optional mounting position
    • Optional accessories
      • Stroke limiter with optical position indicator
      • Electrical position indicator (GEMU 1215), "Closed" position
      • Electrical position indicators with microswitches or proximity switches

  • GEMU 690 Diaphragm Valve, Plastic

    Construction
    The GEMU 690 2/2 way valve has a low maintenance membrane actuator which can be controlled by inert gases.
    Normally Closed, Normally Open and Double Acting control functions are available.
    All medium wetted parts and the actuator housing are made of plastic.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Valve body and diaphragm available in various materials and designs
    • Insensitive to particulate media
    • Various connections available
    Advantages
    • Optional flow direction, will seal in either flow direction up to full working pressure
    • Optional mounting position
    • Body and diaphragm sizes have coordinated diameters hence the fitting time is reduced because the pipe and fixing centres remain the same. Spares inventory is also reduced.
    • Optional accessories
      • Electrical position indicator
      • Electrical position indicator with microswitches or proximity switches
      • Mounting bracket according to NAMUR
      • Pneumatic or electro-pneumatic positioner
      • Stroke limiter (DN 65-100: observe marking on actuator cover)

  • GEMU 693 Diaphragm Valve, Plastic

    Construction
    The GEMU 693 motorized 2/2 way diaphragm valve has a low- maintenance electric actuator incorporating a reversible synchronous motor and a low maintenance toothed belt drive. It is fitted with a manual override and an optical position indicator.

    Advantages

    • Consistent control system and reliable opening and closing action
    • Direct 4-20, (0-20) mA control using the optional module GEMU 1284
    • Optional flow direction and mounting position
    • 20 second operating time provides enhanced flow control capability
    • Available as an option:
      electrical position feedback by means of a potentiometer

  • GEMU R677

    Construction

    All medium wetted parts, the bonnet and handwheel of the GEMÜ R677 2/2-way diaphragm valve are made of plastic. The low maintenance plastic bonnet has an ergonomically designed handwheel with integral optical position indicator.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Insensitive to particulate media
    • Optional flow direction and mounting position
    • Nominal pressure PN 10 / 150 PSI
    • Nominal size DN 15 - DN 100 / NPS 1/2" - NPS 4"
    • Optical position indicator as standard
    • Bonnet housing in glass fibre reinforced PP
    • Valve body and diaphragm available in various materials and designs
    • Various connections available

    Advantages

    • Compact, lightweight construction and high performance
    • Good flow characteristics due to flow optimized valve body
    • Adjusted instrumentation
    • Good specific flow capability
    • Optional accessories
      - Electrical remote indication that the valve is in the open position
      - Lock out device

  • GEMU R690

    Construction

    The GEMÜ R690 diaphragm valve has a low maintenance membrane actuator which can be controlled by air or inert gases. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) control functions are available. All medium wetted parts and the actuator housing are made of high-grade plastic materials which can be selected to suit the application.

    Features

    • Suitable for inert and corrosive* liquid and gaseous media
    • Insensitive to particulate media
    • Optional flow direction and mounting position
    • Nominal pressure PN 10 / 150 PSI
    • Nominal size DN 15 - DN 100 / NPS 1/2" - NPS 4"
    • Actuator housing in glass fibre reinforced PP
    • Valve body and diaphragm available in various materials and designs

    Advantages

    • Compact, lightweight construction and high performance
    • Good flow characteristics due to flow optimized valve body
    • Proven long-life membrane actuator
    • Leak detection hole
    • Diaphragm easy to replace
    • Adjusted instrumentation
    • Optical position indicator as standard
    • Optional accessories

    - Electrical position indicator with microswitches or proximity switches
    - Positioner and process controller
    - Stroke limiter
    - Pilot valve