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Jets, level and flow


Automatic Sump Drainers

Models 2R-W, 2R-WL, 2R-S, 2R-SL

Steam Powered Sump Pump
Penberthy Sump drainer is used in commercial, municipal or institutional dewatering in sump areas having steam but no electrical service available.  In applications such as these, Penberthy Submersible Automatic Sump Drainers provide a practical solutions.  Reliable, fail-safe units create a powerful pumping action by using either liquid or saturated steam as the operating medium  without electricity! These units function effectively in either primary pumping operations or on standby when electrical failure occurs.  Steam powered sump drainers cannot be flooded out, require minimal upkeep and are unaffected by power outages. Capitalizing on a time-proven design, these units are available in either a space-saving non-loop design or an efficient loop configuration. They feature durable construction for long life, simple design, no need for electricity, no moving parts in jet pump to wear out, low initial cost, easy installation and are virtually maintenance-free.
Model 2R-W (non-loop) & Model 2R-WL (loop) operate with a liquid motive, while Model 2R-S (non-loop) & Model 2R-SL (loop) use a steam motive. Typical applications include: sump evacuation, steam service/boiler room operations, general manufacturing installations, in-plant services and manufacturing processes of many types. So, in areas where access is limited, Penberthy Submersible Automatic Sump Drainers are the perfect choice!

Selection Guide

Submersible Automatic Sump Drainers can be properly selected by focusing on the following information:


Water or Steam
Pressure (Available)
Flow rate (Available volume)


Required Pumping Capacity


Pressure or Discharge Head (That unit must overcome)

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