The 24V Twin-Line Concentrate Doorway Foam Unit is a wall-mounted system powered by air and electricity for applying two-part chemistries at entry points. It supports up to three twin-line nozzles across 100 feet and includes a repeat-cycle digital timer for consistent, automated coverage.
This is a direct replacement for the DS4-2P.
24V Twin-Line Concentrate Doorway Foam Unit for 2-Part Products - Datasheet
24V Twin-Line Concentrate Doorway Foam Unit for 2-Part Products - Operation Manual
compressed air and electricity
draws from concentrated product
7:1 to 125:1
note: dilution rate can be set independently for each product
two products, simultaneously
8 ft. (2.4 m) clear hose with 1/4 in. (6.4 mm) inside diameter
19 gal/min (72 l/min)
2 gal/min (7.6 l/min)
Santoprene, Viton, or Kalrez
repeat cycle
one nozzle: up to 9×5 ft. (2.7×1.5 m);
two nozzles: up to 8×4 ft. (2.4×1.2 m) at each nozzle;
three nozzles: up to 6×3 ft. (1.8×0.9 m) at each nozzle
one nozzle: ST80200SS;
two nozzles: ST80100SS;
three nozzles: ST8060-12SS
twin-line stainless steel nozzle assembly
one control box can support up to three nozzle assemblies
the combined distance between the control box and the nozzle(s) must equal 100 ft. (30.5 m) or less
designed for use with 1/2 in. (12.7 mm) outside diameter tubing between control box and nozzle(s)
*dilution rates and flow rates given are based on chemical with viscosity of water and factory air pressure settings.
40-80 psi (2.8-5.5 bar) with 5-10 cfm (141.6-283.2 l/min)
10-100 psi (0.7-6.9 bar)
backflow prevention is required – consult local plumbing ordinances for more information.
40-100˚F (4.4-37.8˚C)
100-240 VAC, 50-60Hz, 1A (GFCI protected outlet)
24 VDC
Chemical 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.
Choose a pump seal material that is compatible with the chemicals you will use. Chemical incompatibility can cause accelerated wear and equipment failure that is not covered by warranty, so it’s important to do your research.
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