LMI Chemical Metering Pumps & Accessories


Accessories Catalog (pdf)*

Four Function Valve (4FV)

This compact and economical valve performs four important functions for your LMI pump:

  • Diaphragm type anti-syphon protection
  • Back pressure
  • Priming aid/line drain
  • Pressure Relief

Priming with the 4FV is simple and is achieved by a turn of the pressure relief knob. We highly recommend this accessory for every LMI electronic pump.

Data Sheet*

* Requires Adobe Acrobat Reader

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