KC-1812-75 75 GPD Residential RO Membrane
KC-1812-75 is a 75 GPD ultra-low pressure reverse osmosis membrane element designed for standard residential RO water purification systems with medium daily water demand.
It is compatible with standard 1812 membrane housing systems and is widely used in OEM residential water purifier manufacturing for stable and continuous household drinking water supply applications
Call Us
+86 13272120223
+86 13272120223
Contact us
Please leave your specific needs and contact information, and the staff will contact you as soon as possible!
Technical Specifications& Performance
| Model | Stabilized Salt Rejection (%) | Average Permeate Flow (GPD(m³/d)) |
|---|---|---|
| KC-1812-75 | 96.00 | 50(0.19) |
Standard Test Conditions
| Testing Pressure psi (MPa) | Test Solution NaCl (ppm) | Recovery (%) | Temperature (°C) | PH |
|---|---|---|---|---|
| 60(0.41) | 500 mg/L | 55 | 25 | 7.5-8.0 |
Dimensions

Packaging
Each membrane is individually packed in a sealed protective bag.
Standard packing options include:
- 20 pcs / carton
- 25 pcs / carton
- 30 pcs / carton
- 50 pcs / carton
- Customized packing available according to customer requirements
FAQ
Q1: What is the main difference between KC-1812-75 and lower GPD models?
KC-1812-75 provides higher permeate flow capacity, making it suitable for residential systems with medium daily water demand.
Q2: Is KC-1812-75 compatible with standard RO system housings?
Yes, it is fully compatible with standard 1812 housing configurations.
Q3: Who is the main buyer for this model?
It is mainly supplied to RO system manufacturers, OEM water purifier brands, and wholesale distributors.
Q4: Can customization be provided?
Customization is available for membrane performance and sheet based on system requirements.
