Flooded Suction Tank

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User Manual

(pdf, 1 MB)


(pdf, 151 KB)
  • Provides a consistent-pressure feed for metering pumps or other equipment
  • Improves accuracy by evening out pressure variations that occur when drawing from a drum, tote, or bulk tank
  • Prevents loss of prime due to gassing off
  • Four discharge valves
  • 2.6 gallon (10 liter) internal reservoir with level sensor
  • Pump seals available in Santoprene, Viton, or Kalrez
  • Air-operated valve seals available in Viton or silicone
  • Operates on 24 VDC power (with included transformer) and compressed air
Compressed air requirements70 psi (4.8 bar) with 2-3 cfm (56.6-85 l/min)
Liquid temperature range40-100˚F (4.4-37˚C)
Electrical requirements100-240 VAC at 60 Hz, 2 amps (GFCI protected outlet)
Operating voltage24 VDC; unit includes transformer
Chemical compatibilityChemical products used with this equipment must be formulated for this type of application and compatible with unit materials and pump seals. For more information on chemical compatibility, consult the manufacturer or SDS for your product or contact our customer service department.
Power typeCompressed air and electricity
Chemical pickup typeDraws from concentrated, pre-mixed, or ready-to-use product
Number of products unit can draw from (and whether it draws simultaneously or one at a time)One product
Suction line length/diameterSuction hose not included
Capacity2.6 gallons (10 liters)
Discharge hose diameter/lengthDischarge hose(s) not included
Flow rate*2 gal/min (7.6 l/min)
Pump sealsSantoprene, Viton, or Kalrez
Air-operated valve sealsViton or Silicone o-rings and Sarlink seal

*Dilution rates and flow rates given are based on chemical with viscosity of water and factory air pressure settings.

What's in the box?

  • Complete unit (tank, internal components, and electrical cord with transformer)
  • Wall mounting hardware and bracket
  • User manual
  • Note: No suction or discharge hoses included


 Pump Seal Material Air Operated Valve
FSTSantoprene (standard)-Viton (V)
Viton (V)Silicone (SIL)
Kalrez (K) 

Add bold option codes to item number as shown. For standard options, no option code is needed. Examples:

  • FST-V (standard unit with Santoprene pump seals and Viton valve seals)
  • FSTV-V (unit with Viton pump seals and Viton valve seals)
  • FSTK-SIL (unit with Kalrez pump seals and Silicone valve seals)

Pump Seal Material Compatibility

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