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).
The first piston-type vacuum pump was created in the mid-17th century by a German inventor named Otto von Guericke. This pump was used to create a partial vacuum by removing water from a sealed cask. Modern vacuum pumps are used for scientific research, metal refining and the drying of materials.