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Sanitary Spiral RO Membrane

Sanitary Spiral RO Membrane

Membrane types: Ultrafiltration (UF), Nanofiltration (NF), Reverse Osmosis (RO)
Outer wrap type: sanitary mesh
Flow channel type: Parallel flow channel 32 mil/34 mil, other channel sizes available for customization
Application scenarios: material separation, purification, decolorization, desalination and concentration
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Product Introduction

Sanitary Reverse Osmosis Membrane

 

Product Description

 

  • The sanitary membrane element is engineered as a hygienic separation component for demanding industrial processes where product safety, cleanliness, and operational reliability are critical.
  • It is designed to ensure controlled fluid handling under continuous operation, supporting stable separation performance while maintaining strict hygiene standards throughout the process lifecycle.
  • The structural concept focuses on process stability and cleanability, enabling the system to maintain consistent operation even under variable feed conditions and frequent cleaning cycles.
  • Special attention is given to product integrity protection, ensuring that the treated stream remains isolated from contamination sources during operation and maintenance stages.
  • The element is suitable for integration into hygienic process systems requiring high operational reliability, low contamination risk, and long-term stable performance.

 

Product Features

  • The membrane element is developed under a hygiene-first engineering concept, focusing on minimizing contamination risks throughout the entire fluid-contact pathway.
  • All internal contact surfaces are designed to reduce material retention and avoid areas where product residues may accumulate during operation or shutdown.
  • The configuration is optimized to limit stagnant zones where microbial colonies could potentially develop, supporting safer long-term operation in sensitive industries.
  • The element is fully compatible with standard industrial cleaning procedures, allowing effective removal of organic, inorganic, and biological residues without dismantling the system.
  • The membrane maintains structural integrity and separation consistency even after multiple chemical cleaning cycles, ensuring long-term sanitary reliability.
  • Surface characteristics and material selection are optimized to slow down biofilm formation, reducing the frequency of biological contamination events.
  • The design emphasizes the protection of product quality by preventing cross-contamination between feed and permeate streams under hygienic operating conditions.
  • The membrane is engineered to maintain sanitary performance consistency over long-term continuous operation in demanding process environments.

 

Reverse osmosis membrane performance parameters

 

model

ROA-8040/34SU

ROB-8040/34SU

Ratio of desalinization

99.3%

99.8%

Diaphragm Material

aromatic polyamide

Membrane area (ft2/m2)

365(34)±3%

Flux (LMH)

5-15

Temperature tolerance (°C)

≤45

Operating pressure (bar)

≤50

Single diaphragm pressure differential (psi/bar)

6-10(0.4-0.7)

Normal Operating pH

2-10

Clean pH

1-13

Cleaning pressure (psi/bar)

75-100/5.2-6.9

Residual chlorine tolerance (ppm)

≤0.1

Maximum inflow SDI

≤5

Customizable size

1812/3838/4038/4040/8038/8040

 

Product size parameter

 

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Membrane element size

A (±2.0mm)

B (±0.5mm)

C (±0.1mm)

1812

305

15.7 (inner diameter)

45

3838

965

21.0 (outer diameter)

97

4038

965

12.8 (outer diameter)

100

4040

1016

19.0 (outer diameter)

100

8038

965

28.8 (inner diameter)

200

8040

1016

28.8 (inner diameter)

200

 

About Us

 

6 Years Of Expertise
In Integrated Solutions

Hangzhou Nanoimp Environmental Technology Co.,Ltd. established in 2019 and headquartered in Hangzhou, China, specializes in the research, manufacturing, and innovation of advanced separation membranes. The company is committed to providing integrated solutions for material separation and wastewater resource recovery.

 

Nanoimp has established independent subsidiaries, with the Foshan Branch specializing in the production of public water purification equipment and the Haining Branch focusing on manufacturing PTFE MBR products.

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40+
Patents Owned
100,000+
Annual Production Capacity
7/72
Standard/Urgent Delivery Days
NANO-SEPMER 
Exclusive Authorized Partner
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