High-quality reverse osmosis membrane Vontron ULP21-4040 for professional and industrial applications.

Ideal Operating Use: The Vontron ULP21-4040 is ideal for medium pressure pumps of 10 bar and medium salinity water up to 1,500 ppm NaCL. (up to 2,000 TDS)

Technical Specifications:

• Membrane Type: VONTRON ULP21-4040
• Construction Material: spiral-wound element with polyamide thin-film composite
• Country of Manufacture: China
• Daily Water Production: 9.8 m3/d
• Hourly Water Production: 400 lt/h
• Salt Rejection: 99.5 %
• Operating Pressure: 10.3 bar
• Maximum Operating Pressure: 41 bar
• Maximum Water Flow Rate: 3.6 m3/h
• Maximum Operating Temperature: 45°C
• Maximum Pressure Drop: 1 bar
• Operating pH Range: 3…10
• Operating pH Range (during cleaning): 2…12
• Maximum Feed Silt Density Index (SDI): SDI < 5
• Maximum Allowable Chlorine: < 0.1 mg/L
• Filtering Surface Area: 9.3 m2
• Membrane Dimensions (length x diameter): 40.0 in (1,016 mm) x 3.9 in (99 mm)
• Port Dimensions (length x diameter): 1.05 in (26.7 mm) x 0.75 in (19 mm)

Authenticity Certification: Each membrane carries a unique number with which you can verify that your membrane is a genuine VONTRON.