RObust 4000 is an innovative recerse osmosis water filter designed for small commercial applications in micro-brewing and distilling, food production, restaurants or similar areas.

It is a small, direct flow reverse osmosis filter without an additional tank and has the highest flowrate in the RObust filter range.

The RObust 4000 has a stainless steel body in a style to match other restaurant equipment.

Flow capacity: 150-180 L/h

Water consumption: 230-300 L/h

Waste water: 80-120 L/h

Inlet water pressure: 2 to 5 bar

Power supply: 180-240 V, 50-60 Hz

Power consumption: 0.12 kW

Features

• Flow rate 180 liters per hour
• Made to run 20 hours per day
• Recovery rate 60-65% - filter is economical and environmentally-friendly
• Built-in 2 L pressure tank
• Built-in pressure gauges indicating pump conditions
• CE marked and confirmed to be safe by EC New Approach Directives

Dimensions: H×W×D: 553×195×562 mm

Filter weight: 25 kg

System components  

• Assembled filter
• Pre–filter and post–filter
• Reverse osmosis membranes
• Drain saddle
• Installation fitting set
• Set of tubes
• Service wrenches
• Power supply

Specifications  

• Inlet pressure — 2–5 bar
• Purified water flow rate — 150–180 L/h
• Feed water flow rate — 230–300 L/h
• Concentrate flow rate — 80–120 L/h
• Inlet water temperature — +4… +30 °С
• Room temperature — +5…+40 °С
• Ingress protection rating — IP 54

Feed water requirements

• pH = 6.5–8.5
• TDS ≤ 1500 mg/L
• Hardness ≤ 10 meq/L (<500 mg/L CaCO₃)
• Chlorine ≤ 0.5 mg/L
• Iron ≤ 0.3 mg/L
• Manganese ≤ 0.05 mg/L
• COD ≤ 5 mg O₂/L
• Total microbial count (TMC) ≤ 100 CFU/ mL
• Coliform index = none