Heat Sanitizable Sanitary Reverse Osmosis Membrane Element

1. Compliance Certification: FDA-compliant food-contact qualification available upon request.
2. Construction: Sanitary spiral-wound RO element with heat-resistant PSU end caps and PP feed spacers; full-fit, dead-space-free configuration supports on-site pasteurization up to 85°C.
3. Flat-Sheet Thermal Stability: Membrane sheets retain stable flux under hot-water sanitization, with flux decline held at only 10%–15% after repeated high-temperature treatment.
4. Sizes: Supplied in multiple configurations (4040 / 8040) with custom dimensions available.

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Heat Sanitizable Sanitary Reverse Osmosis Membrane Element

Heat Sanitizable Reverse Osmosis Element / HSRO

Product Trademark: NANOIMP

Custom Service: OEM & ODM available

In-house Fabrication: Yes

Production Lead Period: 3-15 working days

Logistics Options: Express delivery, ocean freight or land transport

Manufacturing Base: Hangzhou, China

Available Part Numbers: HSRO-8040T95/31SU | HSRO-4040T95/31SU

Core Technical Specifications

Specification Item	HSRO-8040T95/31SU	HSRO-4040T95/31SU
Valid Filtration Area (Ft2/M2)	390(36)±3%	91(8.4)±3%
Rated Test Flow (GPD/M3h)	9000(34)±20%	1900(7.2)±20%
Test Salt Rejection Rate (%)	99.5%
Max Allowable Working Temperature (°C)	≤45 (operating pressure ≤1.0 MPa)
Thermal Sanitization Temperature (°C)	≤90
Temperature Rise Rate (°C/Min)	≤5
Upper Working Pressure (Psi/Mpa)	≤600(4.1)
Normal Operating pH Range	2-11

Outer Dimension Details

Membrane element size	A (±2.0mm)	B (±0.1mm)	C (±0.5mm)	D (±0.1mm)
4040	1016	26.7	19.1	100
8040	1016	28.8	200	/

Target Application Fields

Cosmetic manufacturing and recycling of high-temperature condensed wastewater
Pre-treatment unit for pharmaceutical purified water and Water for Injection (WFI)
Dairy production: whey desalination and formulation water preparation
Purified water supply for food, drink, fruit juice and brewing industries
Process water preparation for bioengineering and GMP ferment workshops
Purified water supply for healthcare goods and amino acid production
High-purity water circuits for labs and biopharma manufacturers

Related Knowledge

Notes on Membrane Cleaning

Never mix different cleaning agents! Mixing will neutralize the cleaning solutions, minimize cleaning efficiency and damage the membrane surface.
Do not clean the membrane sheet by hand or with any soft tools that may impair the filtration performance and reduce the desalination capacity of the membrane material.
Deionized water shall be used for cleaning and storage to ensure optimal cleaning performance.

Warranty Period

The company warrants the performance of membrane elements for three 3 years. The three-year warranty period shall commence on the earliest of the following dates:

The date when the reverse osmosis system is put into operation;
Six 6 months from the date the membrane elements are shipped from the manufacturing site;
Three 3 months after the membrane elements are shipped from Guangzhou / Shanghai, China to Taiwan of China, Japan, South Korea, Thailand, India, Malaysia, the United States and other designated locations in China.

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