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.
Home > Steam Theory > Returning Condensate and When to Use Condensate Pumps. The transport and recovery of condensate for reuse always requires a positive pressure differential from the source to the destination (typically a condensate collection area or return header).
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.