What is the operating pressure for the 4040-ULP membrane?

The 4040-ULP series operates at 150 psi (1.02 Mpa), which is 2/3 of conventional low-pressure membranes, allowing for high permeate flow and rejection rates under ultra-low pressure.

Premium 4040 Reverse Osmosis Membrane for Water Purification

Name: Premium 4040 Reverse Osmosis Membrane for Water Purification
Brand: Hangzhou Haina Environmental Protection Tech Co., Ltd.
SKU: 2032501015

Zhejiang, ChinaHangzhou Haina Environmental Protection Tech Co., Ltd.

US$275.00

10-49 Pieces

US$265.00

50-99 Pieces

US$255.00

100+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Material

Activated Carbon

Application

Industry, Food and Beverage, Medicine, Textile, Metallurgy

Model NO.

4040 membrane drinking water treatment for RO memb

Type

Activated Carbon Filter

Filter Connector

226 Connector

Filtration Grade

ULPA Filter

Activated Carbon Filter Type

Compact

Desalination Rejection Rate

99.2%

Gallons Per Day

2400

Active Membrane Area

87FT2

Testing Pressure

150psi

Sample

Yes

Membrane Type

Tubular

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Transport Package

1/PC 1.1*0.11*0.11(M)/PC

Specification

reverse osmosis system

Trademark

HYNAMO

Origin

China

HS Code

8421991000

Production Capacity

15000/Month

Key features

17 Years Manufacturing Experience: Professional manufacturer with 17 years in R&D and production of RO membranes.

High Rejection Rate: 4040-ULP model achieves 99.2% salt rejection rate under ultra-low pressure.

Ultra Low Pressure Efficiency: Operating pressure is 2/3 of conventional membranes, saving energy costs.

12-Month Warranty: All products covered by a 12-month warranty with factory inspection reports.

Customization Support: OEM and ODM services available for tailored membrane solutions.

Large Production Capacity: Annual capacity of 15 million square meters of diaphragms and 200k industrial elements.

Versatile Application: Suitable for industrial pure water, boiler feed, and desalination of various water sources.

Company profile

Hangzhou Haina Environmental Protection Tech Co., Ltd.

Zhejiang, China

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: ≤4.83h 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:Are you a manufacturer or trading company?

We are a manufacturer with our own factory and cooperate with other factories using our technology. We have an 18-year background in the reverse osmosis membrane industry with independent R&D personnel.

Q:What is the warranty period for the product?

All products are covered by a 12-month warranty. Factory quality inspection reports and photos can be provided for your reference.

Q:What is the minimum order quantity (MOQ)?

MOQ varies by model. For household membranes, the minimum is 200 (two boxes). For industrial membranes, the minimum is five pieces. OEM orders may have different requirements.

Q:What are the advantages of your company and products?

Our technical advantage lies in high desalination technology with a unique polyamide coating process. Household membranes can handle 3,000-6,000 ppm water quality, and seawater membranes handle 30,000-40,000 ppm with significant cost advantages.

Q:What is your guarantee for quality problems?

We maintain zero customer complaints on 3G and 4G products. If a quality problem occurs, we guarantee replacement and are responsible for freight according to a reasonable verification process.