What is the pH range for continuous operation?

The pH range of feed water during continuous operation is 3~10.

4 Inch Reverse Osmosis RO Membrane for Sea Water Treatment

Name: 4 Inch Reverse Osmosis RO Membrane for Sea Water Treatment
Brand: Hebei UMEK Environment Machine Co., Ltd.
SKU: 2043701095

Hebei, ChinaHebei UMEK Environment Machine Co., Ltd.

US$141.00

1 Piece

Sample price:US$145.00/piece.Request sample

Product profile

Customization

Available

Membrane Type

Tubular

Type

Stabilized Rejection

99.5

Testing Temperature

25℃

Testing Pressure

225 Psi (1.55 MPa)

Capacity

2400gpd

Membrane Material

Polyamide

Transport Package

Paper Box

Specification

4021-8040

Trademark

OEM

Origin

Hebei

Production Capacity

500000

Key features

High Desalination Rate: Achieves a desalination rate of 99.8% for effective sea water treatment.

High Capacity Output: Provides a capacity of 2400gpd under standard testing conditions.

Robust Pressure Resistance: Supports maximum operating pressure up to 600 psi (4.14 Mpa).

Wide pH Operation Range: Operates continuously within pH 3-10 and cleans within pH 2-12.

OEM Service Support: Fully supports OEM services and welcomes product customization.

Polyamide Membrane Material: Constructed with durable Polyamide material for long-term performance.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExhibition ExperienceManagement Certification

Hebei UMEK Environment Machine Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-04-24Nearest Port: TIANJINAverage Response Time: ≤3.12hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization and product development capability, including sample, design, full, minor, and flexible customization, ODM services, and new products launched within the past year. Service management is supported by written procedures, records, supplier controls, and complaint-handling procedures. However, the supplier reports no overseas warehouses, showrooms, agents, or branches, and serves zero overseas countries according to the provided data, although it has attended one offline trade show. Financial records are indicated for 2022–2024, but no substantive financial performance details are provided. Quality assurance, traceability, and testing-equipment information is incomplete, with testing equipment recorded as zero. Sustainability digitization appears limited, with no ERP, CRM, SAP, or big-data capabilities reported, while ISO9001:2015 certification and recent fire drills are documented.

CertificationsAn ISO9001:2015 certificate is explicitly reported, indicating possession of a recognized quality-management certification. No other certification is identified in the provided slices.

After-Sales capabilityThe supplier has written procedures and followed records for service capability, corrective and preventive actions, and customer complaints. However, the data does not specifically describe warranty coverage, response times, spare-parts support, or overseas after-sales infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM capability, customization-oriented R&D services, and two R&D engineers. It lacks an available SDK, and no detailed innovation outcomes or technical development metrics are provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with ODM services. These statements provide direct evidence of broad customization coverage.