SPECIFICATIONS ON BWA Series ( for Inlet TDS 1000 - 3000 ppm raw water ) Capacity Deliver Pump RO Membrane High Pressure Pump 1500GPD Grundfos CH2-30 4040 x 1 pc 1HP motor + Procon 2507 4000GPD Grundfos CH2-30 4040 x 2 pcs 3HP Grundfos Pump 6000GPD Grundfos CH4-30 4040 x 4 pcs 4HP Grundfos Pump 12000GPD Grundfos CH4-30 8040 x 2 pcs 5.5HP Grundfos Pump SPECIFICATIONS ON BWB Series ( for Inlet TDS 3000 - 8000 ppm raw water ) Capacity Deliver Pump RO Membrane High Pressure Pump 4000GPD Grundfos CHI2-20 4040 x 2 pcs 3HP Grundfos Pump 6000GPD Grundfos CH4-30 4040 x 4 pcs 4HP Grundfos Pump 12000GPD Grundfos CH4-30 8040 x 2 pcs 5.5HP Grundfos Pump SPECIFICATIONS ON BWC Series ( for Inlet TDS 8000 - 12000 ppm raw water ) Capacity Deliver Pump RO Membrane High Pressure Pump 4000GPD Grundfos CHI2-20 4040 x 3 pcs 3HP Grundfos Pump 6000GPD Grundfos CH4-30 4040 x 6 pcs 4HP Grundfos Pump 12000GPD Grundfos CH8-30 8040 x 2 pcs 5.5HP Grundfos Pump OPTIONAL ACCESORIES Automatic Sand Filter It will be necessary to install a pre-filter when Turbidity from the raw water is too high ( more than 5 NTU ). Membrane Cleaning System Recommended to install this system when Total Hardness or Calcium from the raw water is over 300 ppm and SiO4 is over 50 ppm. Flow Chart Panel This panel can clearly shown the working progress for the system. it also have little light bulbs that indicate the status for each single components, which can be easily find out when there is a problem occurred.