GEMU 698 Industrial Diaphragm Valve

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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.


    • 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


Type Type 698 Motorized, Polymer actuator, Glass-filled PP
Nominal Size 1 1/2″ 1″ 1/2″ 2″ 3/4″
Connection 125# Flat Face Flange 150# Flat Face Flange 150# Raised Face Flange Serated 150# Raised Face Flange Smooth Flanged ANSI class 125/150 RF, length EN 558-2, Series 1 ISO 5752, Basic Series 1 Schedule 40 Socket Weld Threaded NPT
Valve Body Material 316 Stainless Steel with PFA Lined Body Cast Iron – ASTM A-126 Class B Body Ductile Iron with Butyl Lined Body Ductile Iron with Hard Rubber Lined Body Ductile Iron with Hypalon Lined Body Ductile Iron with Neoprene Lined Body Ductile Iron with PFA Lined Body Ductile Iron with Polypropylene Lined Body Ductile Iron with PVDF Lined Body Ductile Iron with Silica Free Soft Rubber Lined Body Ductile Iron with Tefzel Lined Body Investment Cast 316 Stainless Steel Body
Diaphragm Material Buna-N Diaphragm Butyl Diaphragm EPDM Diaphragm Hypalon Diaphragm Natural Rubber Silica Free Diaphragm Neoprene Diaphragm PTFE/EPDM Diaphragm PTFE/VitonDiaphragm TFM/EPDM Diaphragm TFM/VitonDiaphragm Viton Diaphragm
Control Function Motorized, 120V Motorized, 230V Motorized, 24V
Mains Frequency 50/60Hz
Max. Ambient Temperature -10 to +55 ºC

Working Medium

Working Medium Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and chemical properties of the body and diaphragm material.


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