To be a result of ours specialty and repair consciousness, our corporation has won an excellent reputation amongst customers all around the entire world for Low Pressure Industrial 2540 Reverse Osmosis RO Membrane, The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world. To be a result of ours specialty and repair consciousness, our corporation has won an excellent reputation amongst customers all around the entire world for China RO Membrane and Reverse Osmosis Membrane price, now we have all day online sales to make sure the pre-sale and after-sale service in time. With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we are trying our best to be your good partner. 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.