Browse our Full Selection of. Quality Watco Tub Stoppers. Eagle Mountain Products offers high-quality Watco tub stoppers in a choice of the following configurations: Universal NuFitÂ®, NuFitÂ®, Lift and Turn, PushPullÂ®, PresFloÂ® and Foot Actuated.
Steam Ejector Fundamentals: An Alternative to Vacuum Pumps. Steam jet ejectors offer a simple, reliable, low-cost way to produce vacuum. They are especially effective in the chemical industry where an on-site supply of the high-pressure motive gas is available. They are easy to install, operate and maintain.
Typical reciprocating pumps are: 1  Plunger pumps â a reciprocating plunger pushes the fluid through one or two open valves, closed by suction on the way back. 2  Diaphragm pumps â similar to plunger pumps, where the plunger pressurizes hydraulic oil which is used to flex a diaphragm in the pumping cylinder.