Bear “Customer very first, Quality first” in mind, we work closely with our customers and supply them with efficient and professional services for 4021 Water Filter Membrane Factory Supply For Reverse Osmosis Pure Water, We consider in top quality more than quantity. Before export in the hair there is strict quality control check during treatment as per international excellent standards.
Bear “Customer very first, Quality first” in mind, we work closely with our customers and supply them with efficient and professional services for 4021 water filter membrane, Excellent quality comes from our adherence to every detail, and customer satisfaction comes from our sincere dedication. Relying on advanced technology and industry reputation of good cooperation, we try our best to deliver more quality solutions and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future.
HIDTM Industrial RO Membrane ranks the best brands in China among the RO membrane industry. RO Membrane 4021 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.