Dalian Hongya Pump Industry Co.,Ltd


Black Liquor Pump

Black Liquor Pump

Black liquor pump Extracted during the washing cycle, black liquor has a significant economic impact on a paper mill’s cost efficiency, as it can be used as a fuel source when concentrated to 65% solids or greater. Airtight makes several evaporator service pumps to ISO standards.

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Airtight Black liquor pump

Pump Performance

Capacity: Up to 9000m3/h

Head: Up to 160m

Temperature: 180oC

Operating frequencies: 50Hz or 60 Hz

Pressure: Up to 2.5Mpa (depend on material and size)

Impeller: Closed/Low flow/Open/Special open/Low pulse

Consistency: 0% ~ 8%

M.O.C: Duplex Stainless ASTM A890 3A/1B/5A, Cast Iron ASTM A48 CL 35B, Chromium Iron A532IIA etc.


1/Handles all chemical process requiremts.

2/Acods, alkalies, corrosive slurries

3/Suitable for all liquids with/without sloides

4/Green liquor, black liquor, Caustic slurry, lime-mud slurry



1/Conforming to ISO5199 and ISO2858

2/open, special open and closed impellers are available for a wide variety of application to handle stocks of various kinds, sludges or slurries.

3/Gland packing/Mechanical seal/Dynamic seal

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