While using the "Client-Oriented" company philosophy, a demanding high-quality management method, innovative producing products and also a sturdy R&D workforce, we always deliver premium quality merchandise, superb solutions and aggressive selling prices for Revers Osmosis Membrane 3540 RO Water Treatment System, We adhere towards the tenet of "Services of Standardization, to fulfill Customers' Demands". While using the "Client-Oriented" company philosophy, a demanding high-quality management method, innovative producing products and also a sturdy R&D workforce, we always deliver premium quality merchandise, superb solutions and aggressive selling prices for revers osmosis membrane, What You Have to have Is What We Pursue.We've been sure our solutions will bring you first class quality.And now sincerely hope to promote partner friendship with you from all over the world. Let's joint hands to cooperate with mutual benefits! RO Membrane 2540 HIDTM RO Membrane 2540 ranks the best brands in China among the RO membrane industry. Industrial RO Membrane has won the trust of thousands of families for feeding the reliable purified water over 10 years. Each membrane is made of HID developed & pre-examined sheet and goes through stringent making processes as well as in-house quality inspection & testing before delivery. HID Membrane has been certified by SGS & China Jiangsu Sanitation Bureau wrt drinking water membrane elements. Model RT-2521 HF RT-2540 HF RT-4021 HF RT-4040 HF RT-8040 HF Performance Stable Desalination % 98 98 98 99 99.3 Min. Desalination % 97 97 97 98 98.5 Mean Permeable Flow GPD (L/d) 380(1300) 780(2800) 1000(3400) 2800(9500) 11000(41000) Active Film Area ft2(m2) 13 (1.2) 28 (2.6) 36 (3.3) 97 (9) 400 (37) Test Conditions Pressure 100psi(0.7Mpa) 225psi(1.55Mpa) Water Temp. 25℃ 25℃ Concentration(NaCl) 2000ppm 2000ppm Water PH 6.5 to 7.5 6.5 to 7.5 Recovery Rate % 15 15 Operating Conditions Max. Operating Pressure 600psi(4.2Mpa) 600psi(4.2Mpa) Max. Feed Water Temp. 45℃ 45℃ Max. Feed Water Silt Density Index (SDI) 5 5 Feed Water Chlorine Tolerance < 0.1ppm < 0.1ppm Feed Water PH Range, Continuous Operation 3 to 10 3 to 10 Feed Water PH Range, Short-Term Cleaning 2 to 12 2 to 12 Max. Pressure Drop of Single Membrane 15psi(0.1Mpa) 15psi (0.1Mpa) 1. Permeate flow rate and salt rejection is based on testing conditions: 25℃, PH 7.5, 20% recovery. 2. Stabilized salt rejection is generally achieved within 24-48 hours of continuous use, depending upon feedwater characteristics and operating conditions.