Wallace&Tiernan® glass-tube purgemeters are available with stainless steel, Kynar®, and aluminum frames. Standard calibrations are in ccc, gph, sccm, scfh and percent. Calibrations  in other units and liquid viscosities other than one centistokes is available.

All meters feature an optional built-in flow-control valve, horizontal inlet and outlet connections, and an external threaded tube locking plug for easy tube removal.

An optional purge type flow controller is available with the stainless steal and low flowmeters. It is available for inlet or out mounting.