Harwil Corporation was established over 50 years ago in 1956 to conceive, design, manufacture and market electro mechanical fluid flow and liquid level switches. All designs are focused on producing simple, reliable, low cost units with broad operating flexibility in a multitude of physical, thermal and chemical operating environments.
Metal materials range from brass to stainless steel to Hastelloy® C to Titanium to special materials as required. Plastic materials range from G.E. Noryl® (PPO) to Hoechst Celanese Fortron® (PPS) to Teflon® to Epoxy to special materials as required.
Elastomers range from BUNA N to EPDM to Hypalon® to Viton®, etc. Flow pipe size range from 0.5 inches to 1