Water Management Systems and Products
Page 13
4 Specifications
Sand and Gravel Automatic Backwash Filters
•
Model SGM-250A is equipped with automatic valves operated from a time device so that backwash is accomplished
periodically on an automatic basis.
Dimensions
in.
(cm) Shipping
Pressure
Model L W H weight differential
number in.
cm
in.
cm
in.
cm
lbs.
Kg
backwash
c
SGM-250A 40
101
48
122
39
99
1,800
818
SG-250P
c
Model SGM-250P. Automatic valves are operated from pressure switch. Pressure switch monitors the pressure drop in the filter
media and activates backwash cycle at preset pressure drop.
Centri-Separator Systems
Note:
Not to be used for closed-loop or chilled water systems; back flushing eliminates chemicals added to the system.
Dimensions
in.
(cm) Shipping
Model
L
W
H
weight
number Description in.
cm
in.
cm
in.
cm
lbs.
Kg
•
150-ton (
453,600 Kcal/hr
) tower maximum
29
74
19½
50
26
66
130
60
CSM-150
•
300-ton (
907,200 Kcal/hr
) chiller maximum
29
74
19½
50
26
66
130
60
•
400-ton (
1,209,600 Kcal/hr
) tower maximum
26
66
20
51
41
104
150
69
CSM-400
•
800-ton (
2,419,200 Kcal/hr
) chiller maximum
26
66
20
51
41
104
150
69
BFS Series Bag Filters
Note:
Can be used for full flow or bypass.
Max. flow
No. filter bags
Pipe size
Model
c
gpm lpm
required supplied
inches
mm
BFS-30 30
113
1 3
1½”
NPT
38 mm
BFS-65 65
246
1 3
2½”
NPT
63 mm
BFS-90 90
340
1 3
2½”
NPT
63 mm
BFS-200 200
757
1 3
3”
(flanged)
76 mm (flanged)
BFS-300 300
1,135
2 6
4”
(flanged)
102 mm (flanged)
BFS-450 450
1,703
3 12
5”
(flanged)
127 mm (flanged)
c
Single cell filters include bypass, pressure gauges and 25 micron filter bags. Multi-cell filters include pressure gauges and 25 micron
filter bags.
SWF Series Full Flow Stainless Steel Filters
•
Maximum working pressure is
100 psi
(
689.5 kPa/6.895 bars
); 150 psi (
1,034.25 kPa/10.343 bars
) is available.
•
Maximum operating temperature is 110ºF
(
43ºC
). Consult factory for higher temperatures.
Maximum flow
Connection size/flange
Model
cd
gpm
lpm
inches
mm
SWF-100 100
378
2” flange
51 mm flange
SWF-200 200
757
3” flange
76 mm flange
SWF-350 350
1,325
4” flange
102 mm flange
SWF-750 750
2,839
6” flange
152 mm flange
SWF-1300 1,300
4,920
8” flange
203 mm flange
SWF-2000 2,000
7,570
10” flange
254 mm flange
c
80 mesh screen size is standard for stainless steel strainer basket. 40 mesh can be used for tower water.
Specify mesh size
.
d
Valving and bypass are
not
included with SWF Series stainless steel filters.