DEMA
®
MODEL 294DC FOAMER & 294DC-DS
DROP STATION FOAMER
INSTALLATION INSTRUCTION
Form I-739 Page 3 of 7
Rev. F-40211
TABLE 3
Metering Tip
Color
Induction Rates for Viscosities Shown
1 cps
75 cps
200 cps
500 cps
Oz/Gal
Ratio Oz/Gal Ratio Oz/Gal Ratio
Oz/Gal
Ratio
Clear
0.84
152-1 0.65 197-1 0.45 284-1
0.30
427-1
Purple
1.35
95-1 1.10 116-1 0.90 142-1
0.60
213-1
Yellow
2.40
53-1 2.00 64-1 1.50 85-1
1.10
116-1
Green
4.20
30-1 3.40 38-1 2.65 48-1
2.10
61-1
Pink
5.25
24-1 4.50 28-1 3.45 37-1
2.60
49-1
Turquoise
9.40
14-1 7.25 18-1 5.45 23-1
3.70
35-1
Black
11.75
11-1 8.80 15-1 6.35 20-1
4.20
30-1
Gray
14.50
9-1 10.80 12-1 7.75 17-1
4.75
27-1
Red
18.00
7-1 13.20 10-1 8.30 15-1
5.00
26-1
Blue
20.60
6-1 14.70 9-1 8.65 14.8-1
5.20
25-1
Brown
24.10
5-1 16.15 8-1 9.30 14-1
5.50
23-1
White
27.50
4.7-1 17.80 7-1 9.70 13-1
5.70
22-1
Orange
30.00
4.3-1 18.50 6.9-1 10.10 12.7-1
5.85
21.9-1
Lt. Blue*
32.00
4-1 18.90 6.8-1 10.20 12.5-1
6.00
21-1
Tan*
32.50
3.9-1 19.25 6.6-1 10.40 12.3-1
6.25
20.5-1
None
34.25
3.7-1 20.45 6-1 10.60 12-1
6.50
20-1
All induction rates are based on 40 psi water pressure and 40 psi air pressure.
*These tips are not standard tip pack.
6.
SERVICING
Caution: When servicing, be sure that replacement parts have been install according to
drawing. Be certain that check valve parts are in place.
Problem
See
situation:
Unit will not draw or stops drawing chemical
1, 2, 3, 5, 6, 10, 11, 12, 13, 15, 16
Poor foam quality
1, 2, 3, 5, 6, 10, 11, 12, 13, 15, 16
Foam surges
1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13,
15,
16
Foam output is too wet
1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 16
Foam output is too dry
2
Water is flowing into chemical container
12
Foam does not clean adequately
4, 8, 11, 14
