CHEM-TECH Series 100-150

The CHEM-TECH Series 100 is the standard by which all other dosing pumps are judged, CHEM-TECH Series 100/150 pumps with motorized-diaphragm technology deliver dependable performance and extended longevity. The Series 100/150 provides quiet, consistent metering over long periods of time in a compact form.

A tried-and-true electric motor transfers power via a sealed gearbox and eccentric cam for smooth, reliable dosing.

Simple, adjustable system with knob and locking lever provide easy flow rate control and turndown.

The compact, injection-molded housing and clear pump head offer both affordability and chemical resistance.

The industrial grade, low-stress diaphragm provides long life, even in harsh conditions and continuous duty cycles.

Series 100 Models – The preferred metering pump for water conditioning professionals around the world. Perfect for applications where economical, consistent performance is required. Capable of a wide range of flows, from less than 3 gpd (0.47 lph) up to 30 gpd (4.72 lph) and pressures up to 100 psig (7 bar).

Series 150 Models – Built upon the same solid platform as the 100 Models, these units are capable of higher flow rates. With a range offering up to 100 gpd (15.76 lph), the Series 150 can meet the demands of larger applications. Maximum pressure is 60 psig (4.2 bar).


  • Guided Quad Check Valve System
  • Bleed Valve Assembly Standard
  • Feed Rate Control
  • Duplex Head Models