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M1 RO International Specifications
Nominal Capacity, GPD [m³/hr]*
Dimensional, Series M1 Units
Width - in [mm]
Depth - in [mm]
Height - in [mm]
Operating Weight, lb [kg]
Unit Connections
Inlet (Tube) - mm
Product (Tube) - mm
Concentrate (Tube) - mm
Electrical
Motor Horsepower, hp [kW]
Power Requirement (VAC/phase/Hz)
Full Load Current, amp (@230V)
Hydraulic - Prefilter
Housing Quantity
Cartridge Rating, micron
Hydraulic - RO
RO Housing Quantity
RO Element Quantity
RO Element Size - in [mm]
RO Array
Product Flow - gpm [L/min]*
Concentrate Flow - gpm [L/min]*
Required Inlet Feed Flow - gpm [L/
min]
Pump Flow @ 150 psi, gpm [L/min]
Maximum Module Feed Pressure psig
[kPa]
Nominal Module Feed Pressure psig
[kPa]†
Max. Product Pressure psig [kPa]
Inlet Pressure Min., dynamic psig
[kPa]
Maximum, dynamic psig [kPa]
Operating Temp °F [°C]
Recovery (%)*
Design
Minimum
Salt Rejection, Nominal (%)
†Calculated using a 0.85 fouling factor
*Nominal capacity based on new RO membranes operating on a properly pretreated feed water of 500 ppm TDS as NaCl,
77 °F (25 °C), Silt Density Index (SDI) below 3, and supplying water to atmosphere. Productivity will vary depending on
the actual feed water quality and temperature.
Culligan® M1 Series Reverse Osmosis
60
M1-1S
M1-2S
500
250
[0.04]
[0.08]
34.8 [884]
77 [35]
81 [37]
0.333 [0.25]
4
1
2
1
2
2.5x21
1
1:01
0.17 [0.64]
0.35 [1.28]
0.51 [1.93]
0.35 [1.28]
0.68 [2.57]
0.7 [2.65]
1.33 [5.03]
95 [654.6]
100 [689]
M1-3S
M1-2L
750
1200
[0.12]
[0.19]
34.5 [876]
8.7 [221]
92 [42]
88 [40]
10
10
10
230/1/50
1
5
3
2
3
2
1:01:01
1:01
0.52 [1.97]
0.83 [3.14]
0.52 [1.97]
0.83 [3.14]
1.04 [3.94]
1.66 [6.28]
2.53 [9.58]
150 [1034]
103 [709.7]
96 [661.4]
40 [275.6]
20 [137.8]
50 [344.5]
33-100 [1-38]
50
40
98
60
M1-3L
M1-4L
1700
2200
[0.35]
[0.27]
38.5 [978]
45.5 [1156]
103 [47]
111 [50]
0.75 [0.56]
6
3
4
3
4
2.5x40
1:01:01
1:1:1:1
1.18 [4.47]
1.53 [5.79]
1.18 [4.47]
1.53 [5.79]
2.36 [8.93]
3.06
[11.58]
3.1 [11.73]
97 [668.3]
101 [695.9]
Cat. No. 01022940
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