DEMA SPRAY FOAM MODEL 294C
INSTALLATION INSTRUCTIONS
I-144
Pg. 1 of 4
Rev. B-37102 7/29/11
D E M A
FOAM OUTLET
DETERGENT INLET
METERING SCREW
WATER INLET
AIR INLET
PRESSURE REGULATOR
AND GUAGE
1.
PARTS
A.
Foamer assembly.
B.
Plastic supply tubing w/strainer.
C.
Outlet hose 3/4" ID x 25'long (optional)
D.
Shutoff valve (optional)
E.
Drum protector disc.
2.
INSTALLATION
This product is designed only to be used as described in this instruction sheet. Adhere to all
warnings and cautions identified in this document.
WARNING:
Installations must conform to all local and national plumbing codes
and use approved backflow prevention and pressure relief devices where
required.
ALWAYS DISCONNECT DISPENSER FROM WATER SOURCE WHEN
DISPENSER IS NOT IN USE.
Always read SDS for all chemicals used and follow personal protective
guidelines.
A.
Water inlet is 3/4" garden hose swivel. It may be removed if attaching to 1/2" pipe.
B.
Air inlet is 1/4" NPT.
C.
Foam outlet is 3/4" garden hose. Connect shutoff valve to end of hose. See Table 1 for hose limitations.
D.
Detergent may be drawn directly from any size container which usually is set on the floor. Use the plastic tubing
for connecting to the injector barb, first cutting to desired length and dropping the end with the strainer into the
container. The drum protector disc may be twisted at the slit to attach to the tubing at the bung opening.
WARNING: Use care when handling hazardous chemicals.
TABLE 1
HOSE SIZE
& LENGTH
MIN. PRESSURES
WATER AIR
25’ OF 3/4” ID
40 PSI
40 PSI
50’ OF 3/4” ID
50 PSI
40 PSI
25’ OF 1/2” ID
60 PSI
40 PSI
TABLE 3
PRESSURE PSI
40 50 60 80
WATER FLOW GPM
1.4 1.6 1.7
2.0
AIR FLOW SCFM
3.5 4.2 4.8
6.1
TABLE 2
VISCOSITY CPS
1 75
220
500
MAX. OZ/GAL.
27 13 10 9
