Since 1968 ChemTec has been engineering and manufacturing their patented line of flow meters, flow monitors, and excess flow valves.ChemTec specializes in low flow applications (120 SCFM; 20 GPM or less) and currently is the only manufacturer of all-Teflon® Flow Switches and Flow Meters.
ChemTec MAO Series Flow Meter — Measuring Flows of Corrosive and Non-Corrosive Liquids.*All Teflon wetted parts model available. No seals. Undamaged by over ranging.
MAO 125/250
MAO 500
Excess Flow Valves
For Preventing Uncontrolled Flows of Gases and Liquids.
EFV Series
EFV MRS Series
HPEFV Series
Custom HP EFV Example
Filter housings, custom parts, fittings and accessories
Available in both Flare and Nippon Pillar fittings. ChemTec does have a Nippon Pillar License for 1/8” upto 3/4” and they can manufacture fittings with different fitting connections on each end.