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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.
Unit of Measure

Specifications

Type Type 618 motorized, Polymer actuator, Glass-filled PP
Nominal Size 1/2" 3/8"
Connection Threaded BSP
Valve Body Material Brass Body Cast Stainless Steel Body
Diaphragm Material EPDM Diaphragm PTFE/EPDM Diaphragm Viton Diaphragm
Control Function Motorized, L4
Actuator Size 6023
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.
Temperature of Working Medium Direct mount (actuator design 2): + 60°C With distance piece (actuator design 1+3): +130°C
Ambient Temperature -15 to +55 ºC
Power Consumption 3.5 VA
Rating Continuously rated
Load Resistor 32 Ω (with reverse diode)
Operating Time approx. 17 or 45 s
Protection Class IP 65 acc. to DIN 40050
Electrical Connection 2 x Circular connector (Binder Series 717) (Design with integrated control module) 2 x PG 13.5 (Design without integrated control module)

View items

Item #

Nominal Size

Connection

Valve Body Material

Diaphragm Material

Control Function

Actuator Size

618012D-11214L46023 N/A 3/8" N/A Threaded BSP N/A Brass Body N/A EPDM Diaphragm N/A Motorized, L4 N/A 6023
618012D-112-4L46023 N/A 3/8" N/A Threaded BSP N/A Brass Body N/A Viton Diaphragm N/A Motorized, L4 N/A 6023
618012D-112-4L46023 N/A 3/8" N/A Threaded BSP N/A Brass Body N/A Viton Diaphragm N/A Motorized, L4 N/A 6023
618012D-11252L46023 N/A 3/8" N/A Threaded BSP N/A Brass Body N/A PTFE/EPDM Diaphragm N/A Motorized, L4 N/A 6023
618012D-13414L46023 N/A 3/8" N/A Threaded BSP N/A Cast Stainless Steel Body N/A EPDM Diaphragm N/A Motorized, L4 N/A 6023
618012D-134-4L46023 N/A 3/8" N/A Threaded BSP N/A Cast Stainless Steel Body N/A Viton Diaphragm N/A Motorized, L4 N/A 6023
618012D-134-4L46023 N/A 3/8" N/A Threaded BSP N/A Cast Stainless Steel Body N/A Viton Diaphragm N/A Motorized, L4 N/A 6023
618012D-13452L46023 N/A 3/8" N/A Threaded BSP N/A Cast Stainless Steel Body N/A PTFE/EPDM Diaphragm N/A Motorized, L4 N/A 6023
618015D-11214L46023 N/A 1/2" N/A Threaded BSP N/A Brass Body N/A EPDM Diaphragm N/A Motorized, L4 N/A 6023
618015D-112-4L46023 N/A 1/2" N/A Threaded BSP N/A Brass Body N/A Viton Diaphragm N/A Motorized, L4 N/A 6023
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