What is the pH range for chemical cleaning?

The pH range of feed water during chemical cleaning is 2-12.

Sw-4040 High Flow Rate Reverse Osmosis Membrane for Industrial Water Filter

Name: Sw-4040 High Flow Rate Reverse Osmosis Membrane for Industrial Water Filter
Brand: Hebei UMEK Environment Machine Co., Ltd.
SKU: 1953251995

Hebei, ChinaHebei UMEK Environment Machine Co., Ltd.

US$51.00

1 Piece

Sample price:US$51.00/piece.Request sample

Product profile

Customization

Available

Membrane Type

Tubular

Type

Model NO.

4040 8040 4021 4014

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

HS Code

8421299090

Production Capacity

500000

Key features

High Salt Rejection: Stabilized salt rejection reaches 99.5% for efficient desalination.

High Flow Capacity: Model OV-L1-4040 delivers 2400 GPD permeate flow rate.

OEM Support: Fully support OEM services and welcome product customization.

Wide pH Range: Feed water pH range of 3-10 for continuous operation.

Robust Durability: Maximum operating pressure up to 600 psi (4.14 MPa).

Fast Delivery: General delivery time is 15 days for standard orders.

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: ≤2.69hTerms 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.