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Domestic RO Membrane 3213

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Reverse Osmosis Membrane Elements RO-3213-800

Reverse Osmosis Membrane Elements RO-3213-800 is engineered exclusively for 3213 membrane housings, boasting seamless compatibility that skips the need for any custom adjustments—perfect for retrofitting or new systems built around 3213-sized shells. It strikes a key balance: while keeping desalination rate stable to ensure treated water meets quality standards, it pushes daily output to over 800GPD, making it a go-to choice for small-scale commercial setups like neighborhood self-service water kiosks or mid-sized office drinking water systems, where both housing matching and consistent high water supply matter.

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Category Introduction

The Domestic RO Membrane 3213 is a reverse osmosis membrane element designed specifically for home water purification systems. Its core function is to utilize efficient reverse osmosis technology to effectively remove impurities such as dissolved solids, bacteria, viruses, heavy metals, and pesticides from water, thereby producing clean and safe drinking water. This series of membrane elements boasts a remarkable high flux, with water production capacities ranging from 600 GPD (gallons per day), 800 GPD, and even 1000 GPD. These membrane elements meet daily household water needs and provide a stable and reliable water purification solution.

The Domestic RO Membrane 3213 is constructed from a polyamide film composite material, ensuring high filtration efficiency and durability. Under standard testing conditions (25°C, 100 psi, 500 ppm NaCl), this series of membrane elements demonstrates excellent and stable salt rejection, typically reaching approximately 96%. To maintain optimal performance, it is recommended that the Domestic RO Membrane 3213 be replaced every six months to one year, depending on actual water quality and usage, to ensure the purity and health of your drinking water.

Product Information

Model Stable Rejection  Min Rejection GPD(L/min)
RO-3213 3213-800 95 93 800(2.10)
Testing Conditions Operating pressure 100psi (0.69MPa)
Test solution temperature 25 ℃
Test solution concentration (NaCl) 500 ppm
PH value  7-8
Recovery rate of a single membrane element 50%
Flow range of a single membrane element ±15%
Operating Conditions & Limits Maximum operating pressure 300 psi(2.07MPa)
Maximum temperature 45 ℃
Maximum feedwater flow SDI15 5
Maximum concentration of free chlorine: <0.1ppm
Allowed pH range for chemical cleaning 3-10
Allowed pH range for feedwater in operation 2-11
Maximum pressure drop per element 10psi(0.07MPa)
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