Compact 4000GPD RO with Permeate Flush

Compact 4000 GPD RO for Industrial Water Purification

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The Compact 4000 GPD RO is a powerful reverse-osmosis system designed to deliver up to 4,000 gallons per day of clean water for commercial and industrial use. Featuring a permeate flush function, this system protects membranes, reduces maintenance, and ensures consistent water quality for demanding applications.

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High-Performance Industrial Filtration

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This system includes twin 4040 membranes housed in durable stainless-steel frames. The permeate flush minimizes fouling, while flow meters, pressure gauges, and a micro-computer controller simplify monitoring and operation. Its robust design guarantees long-term reliability in factories, labs, and water-bottling plants.

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Compact 4000 GPD RO Technical Specifications

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• Permeate Output: 4,000 gallons per day (≈15,100 litres/day)

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• Membranes: 4040 × 2 units

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• Membrane Housings: 4040 × 2 units

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• Working Pressure: 150‑200 PSI (≈10‑14 bar)

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• Pre‑Filtration: 20″ filter housing × 2 + 2 × 20″ PP cartridges

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• Pump: SHIMGE PLD2‑11, 1.8 kW (2.4 HP), suction height 7 m, inlet/outlet 1″, 230 V/50 Hz, 11.3 A

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• Solenoid Valves: 2 × 220 V; water temp –5 ~ 80 °C; pressure 0–10 bar (closed)

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• Monitoring & Controls: Flow meters (permeate, concentrate, back‑flow); pressure gauges (feedwater, pump, concentrate); TDS meter with LCD; micro‑computer control with overload breakers & LED indicators

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• Feed Water Parameters:
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  • Turbidity (SD): < 5

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  • TDS: < 2,000 ppm

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  • Temperature: +5 to +40 °C

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  • Free Chlorine: 0 ppm

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  • pH: 3 – 11

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  • Iron: < 0.01 ppm

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• Frame / Construction: Electro‑polished stainless steel 304

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• Capacity/Flow Rate Equivalent: 4,000 GPD / 500 LPH

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Applications & Benefits

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• Ideal for laboratories, factories, and water-bottling facilities

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• Permeate flush extends membrane life

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• Stainless-steel construction for durability

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• Easy monitoring and maintenance

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Installation & Maintenance

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• Ensure feed water meets required parameters

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• Place on a stable, ventilated surface

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• Monitor TDS, flow, and pressure regularly

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• Perform scheduled cleaning and service

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