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4" Vontron RO Membrane for Water Treatment RO Plant
Basic Info

Model No.:  ULP31-4040

Product Description

Model NO.: ULP31-4040

Application: Industry

Filter Connector: Flat Connector

Activated Carbon Filter Type: Compact

Salt Rejection Rate: 99.4%

Operate Pressure: 150psi(1.03m PA)

Test Salt Rejection Rate: 15%

Max, Inflow Temperature: 45 Centigreed

Max, Working Pressure: 600psi(2.07MPa)

Origin: China

Material: Paper

Type: Folding Microporous Filter

Filtration Grade: ULPA Filter

Model: Ulp31-4040

Gpd (M3/D)Water Production Rate: 1900(7.2)

Na Cl (Ppm): 1500

Membrane Type: Ultra-Low Pressure

Max, Inflow Sdi: 5

Trademark: Vontron

HS Code: 84219990

4" Vontron RO Membrane for Water Treatment RO plant


LP Series: Low Pressure Compound RO Membrane Element

LP Series of Membrane Element

Brief Introduction

The LP (low pressure) series of aromatic polyamide compound membrane element developed by Vontron Technology Co., Ltd. has the properties of low-pressure operation, high permeate flow and excellent desalination and are applicable to desalination of brackish water. Besides, it is particularly applicable to fabrication of high-purity water for electronic industry and electric power industry owing to its excellent performance in removing soluble salts, TOC, SiO2, etc.

Being suitable for desalting such water sources as surface water, underground water, tap water and municipal water, etc., LP series is mainly applicable to treatment of various industrial water such as industrial-purpose pure water, boiler water replenishment in power plant, and can be also applied to such brackish water applications as treatment of high-concentrated saline wastewater and production of beverage-purpose water.

Specifications and Major Properties

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ULP Series: Ultra-low Pressure Compound RO Membrane Element

1. ULP Series of Membrane Element

Brief Introduction

ULP series of ultra-low pressure aromatic polyamide compound membrane element newly developed by Vontron Technology Co., Ltd. can work under ultra low pressure to reach as high permeate flow and salt rejection as regular low-pressure membrane element can, and is applicable to desalination of surface water and underground water. It operates under approximately 2 thirds of the operating pressure of regular low-pressure composite membrane, and achieves a salt rejection rate of up to 99.5%, which can decrease the investment costs for such relevant facilities as pump, piping, and container, etc. and the operating cost for the RO System , thus increasing the economic efficiency.

Being suitable for the desalting treatment of those water sources with salt concentration lower than 2000 ppm, such as surface water, underground water, tap water and municipal water, etc., ULP series membrane elements are mainly applicable to numerous applications of various scales, such as pure water, boiler water replenishment, foodstuff processing, and pharmaceutical production, etc.

Specifications and Major Properties

SW Series: Compound RO Membrane Element for Seawater Desalination

Brief Introduction

SW series of aromatic polyamide compound membrane element developed by Vontron Technology Co., Ltd. is applicable to desalination of seawater. By optimizing the structure of membrane element, the SW series increases the permeate flow, and requires fewer elements for same permeate flow. It is characterized by low operating pressure, low investment in equipment, excellent rejection rate and reliable performace, and its high salt rejection can ensure producing the drinking water from seawater simply through one-pass RO design.

Applicable to treatment of seawater and high-concentration brackish water, the SW series of membrane element is designed for various industrial water treatment, such as seawater desalination, high-concentration brackish water desalting, boiler water replenishment for power plant, etc., and is also applicable to various fields such as recycling of wastewater, concentration and reclamation of such substances with high additional value as foodstuff, pharmaceuticals, etc.

Specifications and Major Properties

salt rejection rate
GPD (m3/d)water production rate Test
Psi(M pa)
Operate pressure
Na Cl (ppm) (%)salt rejection rate
LP21-8040 99.5 9600(36.3) 225(1.55) 2000 15
LP22-8040 99.5 10500(39.7)
LP21-4040 99.5 2400(9.1)
XLP11-4040 98.0 2000(7.6) 100(0.69) 500 15
ULP21-8040 99.0 11000(41.6) 150(1.03) 1500 15
ULP12-8040 98.0 13200(49.9)
ULP22-8040 99.0 12100(45.7)
ULP32-8040 99.5 10500(39.7)
ULP11-4040 98.0 2700(10.6)
ULP21-4040 99.0 2400(9.1)
ULP31-4040 99.4 1900(7.2)
ULP11-4021 98.0 1000(3.78) 150(1.03) 1500 8
ULP21-4021 99.0 950(3.6)
ULP31-4021 99.4 850(3.2)
ULP21-2521 99.0 300(1.13)
ULP21-2540 99.0 750(2.84) 15
SW21-8040 99.7 5000(18.9) 800(5.5) 32800 8
SW22-8040 99.7 6000(22.7)
SW21-4040 99.5 1400(5.3)
FP11-8040 99.5 9600(36.3) 225(1.55) 2000 15
FP11-4040 99.5 2200(8.3)
HOR21-8040 99.2 9000(33.9) 225(1.55) 2000 15
HOR21-4040 99.2 2200(7.9)


About us:

Guangzhou Jieming Water Treatment Equipment Co., dedicated to the development of water treatment in Southeast Asia. We have adopted advanced water treatment technology in Europe and America for industrial water treatment, pure water, drinking water, ion exchange systems, Reverse Osmosis systems, ultrafiltration systems, and undertake all types of water treatment works.

We have our own factory to produce tank FRP, Disc Filter , reverse osmosis Water Treatment Plant, Multi Valve System. We are also the agents of all kinds of water treatment components, such as Y Pattern Diaphragm Valve, Backwash Valve , Fleck Valve , Runxin valve, Fobrite valve, FRP and Stainless Steel Membrane Housing, PVC Bag Filter , PVC Cartridge Filter, distributors, brine valve, brine tank, water tank...etc. You can achieve a one-stop purchase here, saving time, energy and money.


Contact us if you need more details on RO Membrane. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Reverse Osmosis Membrane、RO Elements. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : RO Membrane

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