11
Table 3. Cleaning limits *
1)
Cleaning pH Range
0 – 12
Cleaning Temperature Range
0 – 40 degree C
(32 – 104 degree F)
Maximum Concentration of NaClO as Cl
2
5,000 mg/L (10 < pH < 12)
Maximum NaClO Exposure
(lifetime contact time) as Cl
2
1,000,000 mg/L hours
Maximum Acid Contact Time
1,000 hours (pH > 0)
*1): Please note that the specifications are subject to changes from time to time.
Table 4. Specifications of modules *
1)
Module Type
HFU-B2315AN
Membrane Surface Area
(Outer Surface)
60 m
2
(646 ft
2
)
Dimensions
Diameter
178 mm
(7.01 inches)
Length
2,332 mm
(7.651 ft.)
Weight
Full of Water
65 kg (143 lbs)
Drained
35 kg (77 lbs)
Materials
Housing
PVC and/or equivalent
Potting
Epoxy and/or equivalent
Connections
Top
Housing type joint
2 inches (U.S.)
Bottom
Housing type joint
2 inches (U.S.)
Side
Screw
2.28 inches (original)
Operating
Conditions
Max. Feed Water
Flow
(Feed Water only)
10.0 m
3
/h (44 gpm)
Max. Backwash
Flow
(Backwash only)
11.2 m
3
/h (49 gpm)
Max. Air Flow
(Air only)
6.7 Nm
3
/h (3.9 scfm)
Filtration Method
Outside to inside, dead end
Max. Inlet
Pressure
300 kPa (43.5 psi)
Maximum
Temperature
40 degree C (104 degree F)
*1): Please note that the specifications are subject to changes from time to time.
