Kaydon Corp.: flow switch
The company says its Teleflo® “Flow, No-Flow” flow switch monitors turbine oil, gear oil, paper machine oil, hydraulic oil, cutting oil, and water with standard 1/2-in., 3/4-in., 1-in., 1.5-in., and 2-in. NPT size connections. It is designed to last decades in tough environments and handles pressures up to 125 psig and liquid temperatures up to 200˚F, says the manufacturer.
— Kaydon Corp.