Purani RO6500 4″ Commercial Reverse Osmosis System

The Ecosoft MO6500 is the most popular model in the Professional series, featuring permeate flushing and blending options that handle even complex water. Its reliable design and components enable continuous 24/7 operation.

Key features:
-Flow capacity: 250 L/h
-Reliable and stable performance
-Flexible flow adjustment for various feed water
-Pre-designed options for tailor-made solutions
-Reliable Ecosoft OC5000 controller
-Energy-efficient and quiet Grundfos® pump

Parameters:
-Rated capacity 250 L/h
-Rated capacity 6500 L/d
-Recovery up to 75 %
-Inlet water TDS 3000 ppm
-Membranes (pcs/type) 1/40×40
-Inlet water pressure 2…4 bar
-Operating pressure 8…12 bar
-Maximum pressure 14 bar
-Service feed flow 320–400 L/h
-Forward flush feed flow 2400 L/h
-Water consumption for forward flush 40 L
-Inlet water temperature 5…30 °C
-Online access no
-Controller menu languages EN
-Power supply 1 × 220–230 V
-Frequency 50 Hz
-Rated power 0.67 kW
-System dimensions (H × W × D) 1450 × 540 × 385 mm
-System weight 55 kg
-Permeate flow* 4.2 LPM
-Concentrate flow* 1.4 LPM
-Recycle flow* 15.0 LPM
-Operating pressure*9.8 bar

System components:
-Pump: Grundfos® CM 1-10, high-energy efficiency (IE4, A+), low noise and vibration, AISI 304 – 1 pcs
-Membrane vessel: 300 psi – 1 pcs
-Electrical controller: Ecosoft OC5000
-Conductivity cell (permeate): yes
-Sediment prefilter: BB20 – 1 pcs
-Sediment filter: PP melt-blown 4.5″ × 20″, 5 µm – 1 pcs
-Frame: Steel, powder-coated – 1 pcs
-Inlet solenoid valve: Danfoss – 1 pcs
-Forward flush solenoid valve: Danfoss – 1 pcs
-Float switch: 1 pcs
-Pressure switch after sediment filter: adjustable
-Pressure switch on permeate line: adjustable
-Permeate rotameter: 1–7 LPM, non-adjustable
-Concentrate rotameter: 1–7 LPM, adjustable
-Permeate recycle: 2–18 LPM, adjustable
-Pressure gauge after sediment filter: 10 bar
-Operating pressure gauge: 16 bar

Feed water requirements:
-Max. inlet water TDS (Total dissolved salts)3000 ppm
-Hardness (without antiscalant) 150 ppm CaCO₃
-Hardness (with antiscalant) 15000 ppm CaCO₃
-Silica 20 mg/L SiO₂
-Residual chlorine 0.1 mg/L
-Chemical oxygen demand 5 mg/L O₂
-Iron 0.1 mg/L
-Manganese 0.05 mg/L
-Hydrogen sulfide none
– Chlorides 500 mg/L

Service:
Cartridge replacement schedule:
Ecosoft PP melt-blown sediment filter, 4.5″ × 20″, 5 µm – replace every 4 months, or if the pressure drop reaches 0.5 bar
Membrane element – replace or clean every 6 months if productivity decreases by more than 15–20%, water quality worsens by 15–20%, or pressure drop increases by 15–20%

RESOURCES:
Purani RO6500 Data Sheet
Purani RO6500 User Manual