Oil & Gas
Land-Based Desalination

ACT3 Series

Commercial Seawater Reverse Osmosis Systems

ACT3-Series systems are designed and manufactured for seawater applications requiring capacities of 3,000-7,000 gallons per day. Premium components equipped include a 316 plunger-type pump for high performance and corrosion resistance, a high grade corrosion resistant aluminum frame, a programmable computer controller with many built-in features, and fiberglass membrane housings for durability.

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Equipment Characteristics
models act3-3000 act3-5000 act3-7000
design
System Capacity* gpd
(m3/day)
3,000 (11.36) 5,000 (18.93) 7,000 (26.50)
Configuration* Single Pass Single Pass Single Pass
Feed Water Source*** (ppm) 36,000 36,000 36,000
Standard Recovery** 27% 33% 46%
rejection and flow rates
Nominal TDS Rejection 99.4% 99.4% 99.4%
Permeate Flow* gpm (lpm) 2.78 (10.50) 3.47 (13.10) 4.80 (18.20)
connections
Feed (in) 1 1 1
Permeate (in) 1 1 1
Concentrate (in) 1 1 1
Chemical Feed Port (in) 0.5 0.5 0.5
membranes
Membranes Per Vessel 1 1 1
Membrane Quantity 4 5 6
Membrane Size 4040 4040 4040
vessels
Vessel Array 1:1:1:1 1:1:1:1:1 1:1:1:1:1:1
Vessel Quantity 4 5 6
pumps
Pump Type CAT Pump - 7CP6111 CAT Pump - 7CP6111 CAT Pump - 7CP6111
Motor HP (KW) 7.5 7.5 7.5
electrical
Standard Voltage*** 230V, 3PH, 60Hz 230V, 3PH, 60Hz 230V, 3PH, 60Hz
system dimensions
L x W x H (in/cm) 60 x 26 x 48
(1524 x 660 x 1219)
60 x 26 x 48
(1524 x 660 x 121.9)
60 x 26 x 48
(1524 x 660 x 121.9)
Weight (lb/kg) 300 (136.1) 340 (154.2) 600 (272.2)
operating limits
Design Temperature (°F/°C) 77 (25) Maximum Turbidity (NTU)* 1
Maximum Feed Temperature (°F/°C) 85 (29) Maximum Free Chlorine (ppm) 0
Minimum Feed Temperature (°F/°C) 40 (4.4) Maximum Hardness (gpg)** 0
Maximum Ambient Temperature (°F/°C) 120 (48.9) Maximum pH (Continuous) 11
Minimum Ambient Temperature (°F/°C) 40 (4.4) Minimum pH (Continuous) 5
Maximum Feed Pressure (psi/bar) 60 (4.13) Minimum pH (Cleaning 30 Min.) 12
Minimum Feed Pressure (psi/bar) 15 (1.03) Maximum pH (Cleaning 30 Min.) 2
Maximum Piping Pressure (psi/bar) 950 (65.5) Maximum Turbidity (NTU)** 1
Maximum SDI Rating (SDI) < 3    

*Product flow and recovery rates are based on feedwater conditions of 32000 ppm TDS at 65°F. Treatment ability of the RO system is dependent on feed water quality. Higher TDS and/or lower temperatures will reduce product flow. An Aqua-Chem Applications Engineer can rate the units for these other feed water conditions.     

**Appropriate filtration must be installed in order to prevent premature membrane fouling.    

***Scale prevention measures must be taken to prolong membrane life.