Eiger Reverse Osmosis Membrane BW4021

It is widely used for automatic water dispenser in residential area and school, direct drinking equipment in office, pure water machine in medical laboratory, small size desalination devices, etc.

Technical information

• Max.Working Pressure: 600 psi(4.14MPa)
• Max. FeedWater Temperature: 45 ℃
• Max. FeedWaterSDI15: 5.0
• Max. Feed Water Flow: 3.6m3/h
• Free Chlorine Concentration of FeedWater: 0.1mg/L
• pH Range of FeedWaterDuring Continuous Operation: 3-10
• pH Range of FeedWaterDuring Chemical Cleaning: 2-12
• Max. Pressure Drop of Single Membrane Element: 10psi(0.07Mpa)

Standards

• Active Membrane Area ft2(m2): 36(3.4)
• Permeate Flow GPD(T/D): 1000(3.8)
• Stable Rejection Rate (%): 99.6

Test conditions

• Concentration of Solution (NaCl): 2000mg/L
• Temperature (℃): 25
• pH Value: 7.5-8
• Operating Pressure psi (MPa): 225(1.55)
• Recovery Rate (%): 8