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  • 611

    Construction
    The GEMÜ 611 manually operated 2/2-way metal diaphragm valves have a low maintenance plastic bonnet and an integral optical position indicator as standard.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Chemical resistance of bonnet
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • Compact design (ideal when space is at a premium)
    Advantages
    • Hermetic separation between medium and bonnet
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position.

  • 615

    Construction
    The GEMÜ 615 2/2-way diaphragm valve has a low maintenance piston actuator which can be controlled by inert gases.
    Normally Closed, Normally Open and Double Acting control functions are available. An optical position indicator is integrated as standard.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • Compact design (ideal when space is at a premium)
    Advantages
    • Hermetic separation between medium and actuator
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Optional accessories:
      • Stroke limiter
      • Electrical position indicators with micros witches or proximity switches.

  • 618

    Construction

    The GEMU 618 motorized metal diaphragm valve has a low maintenance electric actuator and a reversible synchronous motor. It is operated via a reduction gear and cam. The valve has an integrated optical position indicator as standard. GEMU 618 is also available without a stainless steel distance piece for applications with lower operating temperatures.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • The motor will withstand being stalled under full voltage
    • Valve body and diaphragm available in various materials and designs
    • Suitable for use as a control valve (with integrated control module)
    • Insensitive to particulate media
    Advantages
    • Direct 0/4 - 20 mA signal processing (with integrated control module)
    • Opening and closing behaviour is independent of the operating pressure
    • Hermetic separation between medium and actuator
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position.

  • GEMU 620 Diaphragm Valve, Metal

    Construction

    The GEMU 620 pneumatically operated 2/2-way diaphragm valve has a low maintenance membrane actuator which can be controlled by inert gaseous media.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    Advantages
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Good flow capability
    • Accessories:
      • Stroke limiter
      • Optical position indicator
      • Manual override
      • Pilot valve with manual operation
      • Electrical position indicator
      • Pneumatic or electro-pneumatic positioners

  • GEMU 625 Metal Diaphragm Valves

    Construction

    The GEMU 625 2/2-way diaphragm valve has a low maintenance piston actuator which can be controlled by inert gases. Normally Closed, Normally Open and Double Acting control functions are available. An optical position indicator is integrated as standard.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • Compact design (ideal when space is at a premium)
    • CIP/SIP cleaning and sterilizing capabilities
    Advantages
    • Hermetic separation between medium and actuator
    • For sterile applications
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Optional accessories:
      • Stroke limiter
      • Electrical position indicators with microswitches or proximity switches

  • GEMU 653 Diaphragm Valve, Metal

    Construction

    The GEMU 653 manually operated 2/2-way metal diaphragm valve has a stainless steel bonnet and is available in two versions - GEMU 653 has a handwheel in high temperature and chemically resistant plasticl. The handwheel is non-rising and has a standard optical position indicator. Two bonnet versions are available: for 2/2-way bodies and for T-bodies or multi-port bodies.

    Features

    • Suitable for inert, corrosive, liquid and gaseous media
    • CIP/SIP cleaning and sterilizing capabilities
    • Autoclave capability
    • Insensitive to particulate media
    • Surface finishes down to 0.25 μm, electropolished
    • Designed according to GMP (Good Manufacturing Practice)
    Advantages
    • The handwheel design allows minimal heat sink thus reducing the danger of burns injuries
    • The service life of the diaphragm is increased to a maximum by the patented optional seal adjuster (US-patent 6,691,737 B2)
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Option
      • Lockable handwheel
      • Mounting for proximity switches for position feedback

  • GEMU 654 Diaphragm Valve, Metal

    Construction

    The GEMU 654 manually operated 2/2-way metal diaphragm valve has a stainless steel bonnet and is available in two versions -GEMU 654 a stainless steel handwheel. The handwheel is non-rising and has a standard optical position indicator. Two bonnet versions are available: for 2/2-way bodies and for T-bodies or multi-port bodies.

    Features

    • Suitable for inert, corrosive, liquid and gaseous media
    • CIP/SIP cleaning and sterilizing capabilities
    • Autoclave capability
    • Insensitive to particulate media
    • Surface finishes down to 0.25 μm, electropolished
    • Designed according to GMP (Good Manufacturing Practice)
    Advantages
    • The handwheel design allows minimal heat sink thus reducing the danger of burns injuries
    • The service life of the diaphragm is increased to a maximum by the patented optional seal adjuster (US-patent 6,691,737 B2)
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Option
      • Lockable handwheel
      • Mounting for proximity switches for position feedback

  • 657
  • 671

    Construction

    The GEMU 611 and 671 manually operated 2/2-way metal diaphragm valves have a low maintenance plastic bonnet and an integral optical position indicator as standard.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Chemical resistance of bonnet
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • Compact design (ideal when space is at a premium)
    Advantages
    • Hermetic separation between medium and bonnet
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Optional accessories for 671:
      • Electrical remote indication that the valve is in the open position
      • Lockable handwheel clamp

  • 673

    Construction

    The GEMU 601, 612 and 673 manually operated diaphragm valves have a temperature resistant plastic handwheel. Bonnet and internals are made all of stainless steel. An integral optical position indicator and a seal adjuster to increase service life of the diaphragm are included as standard. GEMU 602 has a stainless steel handwheel and an integral optical position indicator.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Chemical resistance of bonnet
    • CIP/SIP cleaning and sterilizing capabilities
    • Autoclave capability
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • Compact design (ideal when space is at a premium)
    • Stepless minimum flow regulation due to seal adjuster
    Advantages
    • Hermetic separation between medium and actuator
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Long service life of the diaphragm due to patented seal adjuster (US-Pat. 5 377 956)
    • Valve body also available in multi-port designs (M-block and T-body) or as tank bottom valve body

  • GEMU 675 Diaphragm Valve, Metal

    Construction

    The GEMU 675 manually operated 2/2-way metal diaphragm valve has a non-rising handwheel and an integral optical position indicator as standard.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • Various connections available
    • Compact design (when space is at a premium)
    Advantages
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Due to its modular design, stocks of valve spares are minimized

  • 684
  • 687

    Construction

    The GEMU 687 pneumatically operated 2/2-way diaphragm valve has a low maintenance membrane actuator. Normally Closed, Normally Open and Double Acting control functions are available.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Chemical resistance of actuator
    • Stainless steel body with CIP/SIP cleaning and sterilizing capabilities
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • Surface finishes down to 0.25 µm, electropolished
    Advantages
    • The modular actuator system permits a variety of options to be used such as tank bottom valves, T valves, sampling valves, multi-port valves and tandem welded configurations
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Optional accessories:
      • Stroke limiter
      • Optical position indicator
      • Manual override
      • Pilot valve with manual override
      • Electrical position indicator

  • 695

    Construction

    The GEMU 695 pneumatically operated 2/2-way diaphragm valve has a low maintenance membrane actuator which can be controlled by inert gaseous media. Normally Closed, Normally Open and Double Acting control functions are available.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • Surface finishes down to 0.25 µm, electropolished
    Advantages
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Weight-saving design
    • Optional accessories:
      • Stroke limiter
      • Optical position indicator
      • Manual override
      • Pilot valve with manual override
      • Electrical position indicator

  • 698

    Construction

    The GEMU 698 motorized 2/2-way diaphragm valve has a low maintenance electric actuator with a toothed belt drive and a reversible synchronous motor. A manual override and an optical position indicator are standard.

    Features

    • Suitable for inert and corrosive liquid and gaseous media
    • Chemical resistance of actuator
    • Stainless steel body with CIP/SIP cleaning and sterilizing capabilities
    • Insensitive to particulate media
    • Valve body and diaphragm available in various materials and designs
    • The valve stroke can be limited by means of adjustable limit switches
    • Suitable for use as a control valve (with GEMU 1283)
    Advantages
    • Hermetic separation between medium and actuator
    • Optional flow direction, will seal in either flow direction up to full operating pressure
    • Optional mounting position
    • Consistent control system and reliable opening and closing action
    • Direct 0/4 - 20 mA signal processing using the additional module GEMU 1283
    • Electrical position feedback by means of a potentiometer available as an option