HIDTM Membrane ranks the best brands in China among the RO membrane industry. HID brackish water 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)|
|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
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.
Start-up Data of Model ULP26-4040
(test temp. 25℃; pressure at 150psi; TDS at 1500ppm)
(test temp. 25℃; TDS at 1500ppm)
HID RO Membranes are widely used in ultra-pure water, process pure water, cooling tower water, boiler water supply, pure water, throughout the electronics industry, optoelectronic industry, machinery manufacturing, fine chemical industry, medical pharmaceutical, food, and beverage industry, surface coating, and many other industries.