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Durable NSF 4040 RO Membrane for Efficient Water Filtration
US$54.00
50-99 Pieces
US$52.00
100-299 Pieces
US$51.00
300-599 Pieces
US$49.50
600+ Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableType
Reverse OsmosisUsage
Environmental Protection, Chemical Industry, Low Pressure ElementModel NO.
4040-ULPMotive Force
PressureStyle
TubePerformance
Efficient FiltrationCertification
CE, RoHS, NSFMembrane Type
TubularGallons Per Day
2400Desalination Rejection Rate
99.2%Active Membrane Area
87FT2Testing Pressure
150psiWarranty
1 YearTransport Package
1/PC 1.1*0.11*0.11(M)/PCTrademark
HYNAMOOrigin
ChinaHS Code
8421991000Production Capacity
15000/MonthKey features
Ultra Low Pressure Efficiency: Operates at 2/3 pressure of conventional membranes while maintaining high flow and rejection rates.
High Desalination Rejection: Achieves a 99.2% desalination rejection rate for superior water purification performance.
Versatile Water Application: Suitable for desalinating surface, groundwater, tap, and municipal water with salt content below 2000ppm.
Industrial Grade Durability: Designed for industrial pure water, power plant boiler feed water, and environmental protection fields.
Custom OEM/ODM Service: Supports customized membrane types and specifications with available OEM and ODM services.
Established Manufacturer: Backed by HYNAMO since 2005 with experienced engineers and professional R&D personnel.
Fast Lead Time: Offers consistent lead times within 15 workdays for both peak and off-season orders.
Company profile

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2005-04-10 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤7.21h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHangzhou Haina Environmental Protection Tech Co., Ltd. is a China-based manufacturer/factory specializing in water-treatment products, including RO membranes, RO systems, desalination, wastewater treatment equipment, filter cartridges, and membrane shells. It reports BSCI, ISO 9001, and ISO 14001 certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. The supplier has exported since 2005, with exports accounting for 41%–50% of total sales and distribution partly through agents. Its stated capabilities include technical advice, customer-specific technical solutions, standardized management, and automated equipment improvements. However, the provided information does not establish documented after-sales performance, customer cases, or independently verifiable innovation outcomes.
Supplier typeThe supplier is identified as a manufacturer/factory and limited company located in Yuhang District, Hangzhou, Zhejiang, China. Its associated industry is manufacturing, and its stated business scope covers industrial equipment and processing machinery, including water-treatment products.
CertificationsThe supplier reports holding BSCI, ISO 9001, and ISO 14001 management-system certifications. These certifications provide explicit evidence of formal social-compliance, quality-management, and environmental-management systems, although certificate validity and scope are not provided.
R&D capabilityThe supplier reports 6–10 R&D engineers and states that it has pursued innovation, standardized management, and automated equipment transformation since 2013. These are explicit capability indicators, but no specific patented technologies, new products, or measurable innovation results are provided.
Production capacityThe supplier operates more than 10 production lines, employs 6–10 quality-control staff, and reports standardized management and automated equipment improvements. Its factory status and production infrastructure support substantial manufacturing capability, although actual capacity utilization and lead-time performance are not stated.
Customization capabilityThe supplier explicitly states that its technical team provides targeted professional advice and technical solutions for each customer, indicating an ability to address customer-specific technical requirements. The slices do not specify customization scope, engineering workflow, minimum order conditions, or examples of completed customized products.
Product Q&A
Q:What is the desalination rejection rate?
A:
The membrane achieves a high desalination rejection rate of 99.2% under standard test conditions.
Q:What is the operating pressure compared to standard membranes?
A:
It operates at approximately 2/3 of the pressure required by conventional low-pressure membranes.
Q:What types of water sources are suitable for this membrane?
A:
It is suitable for surface water, groundwater, tap water, and municipal water with salt content below 2000ppm.
Q:What is the warranty period for the membrane?
A:
The product comes with a 1-year warranty covering manufacturing defects.
Q:Does the manufacturer support OEM or ODM services?
A:
Yes, the manufacturer supports both OEM and ODM services for customized requirements.
Send Inquiry
*To:
Hangzhou Haina Environmental Protection Tech Co., Ltd.
Hangzhou Haina Environmental Protection Tech Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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