Equipment  

• Grundfos™ CRN 1-36 high pressure pump
• 450 psi membrane vessel
• Ecosoft controller OC6000
• Purified water conductivity probe
• Electrical inlet valve
• Regulating needle valves
• AISI 304 Stainless steel frame
• AISI 316 Stainless steel piping
• Wooden crate

Options

• High rejection Filmtec™ membranes

Connections:

• influent water — ½"
• permeate — ½"
• concentrate — ½"
• antiscalant dosing port - ½″

Specifications  

• Permeate capacity* — 250 L/h
• Permeate recovery** — depends on feed water TDS

• Maximum TDS — 10000 mg/L
• Influent flow demand
  - 400…800 L/h (service)
  - 2000…3000 L/h (rinse)
• Operation pressure — 15…20 bar
• Maximum pressure — 25 bar
• Electrical requirements — 230 V, 50 Hz (1 ph)
• Electrical power — 2.2 kW

* depends on feed water TDS, temperature, and permeate recovery

** for low scaling/fouling water

Feed water requirements 

• Influent water temperature — +5...+40 °С
• Residual chlorine, max — 0.1 mg/L
• Hardness — up to 3 meq/L (150 mg/L CaCO₃)
• Iron — up to 0.1 mg/L
• Manganese — up to 0.05 mg/L
• Silicate — up to 20 mg/L
• Chemical oxygen demand, max  — 5.0 mg О₂/L
• Hydrogen sulfide - none

The limitations may be exceeded if using antiscalant, oxygen scavenger, or other RO chemical pretreatment.  

Controller ОС 6000 provides best possibilities for professional maintenance:

— measures flow rate and volume of purified water;

— controls quality of feed water and treated water;

— purified water discharge mode;

— remote update of firmware.