Is the product suitable for seawater desalination?

Yes, the 316L stainless steel option provides superior resistance to chloride and salt spray, making it ideal for seawater desalination.

What certifications does the product have?

The product is certified with CE, GS, and RoHS, and the materials comply with FDA and ISO standards.

How does the coupling design benefit maintenance?

The coupling design allows easy disassembly without moving the main equipment, enabling tool-free membrane replacement and reducing downtime.

8040 Stainless Steel Copy Ring Membrane Shell for High Pressure RO System

Name: 8040 Stainless Steel Copy Ring Membrane Shell for High Pressure RO System
Brand: Hangzhou Keyuan Water Treatment Equipment Co.,Ltd
SKU: 2279354175

Zhejiang, ChinaHangzhou Keyuan Water Treatment Equipment Co.,Ltd

US$296.00

10-99 Sets

US$286.00

100-499 Sets

US$269.00

500-999 Sets

US$249.00

1,000+ Sets

Product profile

Customization

Available

Type

Reverse Osmosis

Usage

Environmental Protection

Model NO.

Coupling type

Motive Force

Pressure

Style

Tube

Performance

Efficient Filtration

Certification

CE, GS, RoHS

Main Material

Housing/End Cap/Coupling: 304/316L Stainless Steel

End Caps

Coupling Type Flexible Diaphragm Coupling Connect

Series & Size

4-Inch (4021/4040), 8-Inch (8040)

Maximum Operating Pressure

1.0-4.0MPa (150-580psi) (Customizable)

Operating Temperature

-20℃~250℃ (-4℉~482℉)

Membrane Capacity

4-Inch: 1-3 Elements; 8-Inch: 1-6 Elements

Feeding Mode

Side Port Entry, End Port Entry (Customizable)

Installation Type

Wall-Mounted, Ground-Mounted

Housing Structure

Seamless/Seamed

O-Ring Material

Silicone,NBR,EPDM,FKM

Surface Treatment

Mechanical Polishing/Brushed

Service Life

≥ 10 Years (Under Normal Use)

Pressure Test Report

Provided

Transport Package

Carton

Specification

4040-4080

Trademark

Keyuan

Origin

Hangzhou, China

HS Code

8421999090

Production Capacity

500000pieces/Month

Key features

Premium Stainless Steel Material: Made of 304/316L stainless steel for superior corrosion resistance and durability.

High Pressure Resistance: Max operating pressure 1.0-4.0MPa (150-580PSI) with seamless structure options.

Reliable Sealing Performance: Double FDA-grade O-rings ensure leakage rate less than 0.5% under high pressure.

Easy Installation & Maintenance: Tool-free quick-disassembly design reduces maintenance downtime by 50%.

Wide Compatibility: Compatible with 4021, 4040, 8040 series and various diameter membrane elements.

Full Customization Support: Customizable size, pressure grade, feeding mode, and surface treatment.

Long Service Life: Durable construction ensures service life of over 10 years under normal use.

Low Noise Operation: Flexible diaphragm coupling provides shock absorption with no lubrication needed.

Company profile

Importers and ExportersFast Delivery100% Finished Products InspectionStandardized quality control

Hangzhou Keyuan Water Treatment Equipment Co.,Ltd

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service AvailableNearest Port: Shanghai, NingboAverage Response Time: ≤0.55hTerms of Payment: T/T, Western Union, Small-amount paymentInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryHangzhou Keyuan Water Treatment Equipment Co., Ltd. is described as a comprehensive water-treatment-equipment enterprise covering research and development, production, sales, and after-sales service. It produces multiple filtration, tank, softening, membrane-shell, and other stainless-steel products. The supplier reports professional technical R&D capability, 3D software design services, and broad customization options. Quality assurance and raw-material traceability are stated, but corrective-action and complaint-handling procedures have no written records. The supplier has no stated inventory, overseas warehouse, overseas agent or branch, showroom, or offline trade-show participation. Financial information is insufficient for a meaningful credibility assessment, and no customer cases or certifications are provided.

Supplier typeThe supplier is explicitly described as a professional technical supplier and as a comprehensive enterprise engaged in R&D, production, sales, and after-sales service for water-treatment equipment. Its stated business scopes also include environmental-protection equipment, membrane materials, and equipment for food, beverage, pharmaceutical, oil-refining, and chemical applications.

R&D capabilityThe supplier explicitly reports professional technical R&D capability and the ability to provide 3D software design services. Its stated R&D and production scope includes water-treatment equipment, new membrane materials, and environmental-protection equipment, supporting a positive assessment of technical innovation capability.

Production capacityThe supplier states that it researches and manufactures mechanical, precision, bag, membrane, tank, softening, and other water-treatment products, with additional equipment-manufacturing scopes across several industries. However, it reports no inventory capability and no valid manufacturing-capacity contract with an associated subcontractor; these limitations do not negate its stated manufacturing operations but constrain the evidence for flexible fulfillment capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, directly supporting a broad customization capability.