Action Blower & Equipment manufactures a standard line of moisture separators (knock-out tanks). We can also provide custom moisture separators built to your specifications.
Standard moisture separators are available in 30 gallon and 55 gallon sizes. Standard features include:
- 18 gauge steel construction
- Maximum vacuum 12" Hg
- Tangential inlet (2" for 30 gallon, 4" for 55 gallon)
- Vertical discharge to blower
- Mounting feet
- Manual drain valve
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- Options include:
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- Vacuum gauge
- Vacuum relief valve
- In-line vacuum filter
- High level shutdown switch
- Redundant (High-High) level shutdown switch
- Sight tube
- 3-level position switch for use with automatic discharge pump
- Discharge pump

Custom moisture separators can be built in a variety of sizes and from various materials including aluminum, galvanized and stainless steel.
Custom moisture separators are available to perform in conditions of absolute vacuum.