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Concentrate Spray Unit

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  • Draws from concentrated product
  • Dilutes product at ratios of 34:1 to 640:1 or 24:1 to 640:1, depending on fan tip used
  • Powered by compressed air
  • Quick-change pump
  • Poly spray gun wand with fan tip
  • Anti-kink hose protection
  • Color coding options:
    • Discharge hose – 4 colors (BL, GN, YL, RD)
  • Consistent, reliable dilution rates, regardless of changes in water pressure

Compressed air requirements40-80 psi (3-5 bar) with 2 cfm (28.3 l/min)
Water requirements10-100 psi (0.69-6.9 bar)
Backflow prevention is required – consult local plumbing ordinances for more information
Liquid temperature range40-100˚F (4.4-37˚C)
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
Chemical pickup typeDraws from concentrated product
Dilution ratio range (water:chemical)*34:1 to 640:1 with ST2520 fan tip;
24:1 to 640:1 with ST2550 fan tip
Number of products unit can draw fromOne product
Suction line length/diameter8 ft. (2.4 m) clear hose with 1/4 in. (6.4 mm) inside diameter
Discharge hose diameter/length50 ft. (9 m) hose, with 1/2 in. (12.7 mm) inside diameter
Discharge wand/tip typePolypropylene trigger handle with 25˚ fan tip
Output distance10-12 ft. (3.0-3.7 m)
Output volume2 gal/min (7.6 l/min) of liquid with ST2520 fan tip;
4-5 gal/min (15.1-18.9 gal/min) of liquid with ST2550 fan tip
Flow rate*2 gal/min (7.6 l/min) with ST2520 fan tip; 4-5 gal/min (15.1-18.9 l/min) with ST2550 fan tip
Pump sealsSantoprene, Viton, or Kalrez

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

What's in the box?

  • Control box assembly
  • Discharge hose and wand
  • Mounting hardware
  • Metering tip kits for spray injector
  • Stainless steel hose rack
  • User Manual


 Pump Seal Material
SP-WCSantoprene (standard)
Viton (V)
Kalrez (K)

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

  • SP-WC (standard unit with Santoprene pump seals)
  • SP-WCV (unit with Viton pump seals)

Other available options:

  • Color coding – discharge hose

Pump Seal Material Compatibility

Need help with sales or support?


616.656.9225 or 800.567.5420