Product Categary: 
Commercial Membrane Element 
Main Feature: 
High rejection rate and low working pressure.

USAGE
It is applicable to the desalination of raw water with salt concentration less than1500ppm, and widely used for small pure water system, such as automatic water dispenser in residential area and school, direct drinking equipment in office, pure water machine in medical laboratory.
SPECIFICATIONS & PARAMETERS
Model : ULP-4021
Active Membrane Area ft2(m2) : 36(3.4)
Permeate Flow GPD(T/D) : 950(3.6)
Stable Rejection Rate (%) : 99.0

STANDARD TEST CONDITION
Concentration of Solution : 1500ppm (NaCl)
Temperature（℃）: 25
pH Value : 7.5-8
Operating Pressure psi(MPa) : 150(1.03)
Recovery Rate（%） : 8

Notes: The permeate flow of single membrane element may vary with in ±15%.

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