The LW type pressure ultrafiltration membrane components and their integrated LGW-type equipment are a reliable filtration solution built upon high-performance PVDF membrane material. With a precise pore size of 0.02 microns, excellent product water quality (SDI<3, turbidity<0.1 NTU), and a broad, stable operating window, this product provides robust pretreatment assurance for core water treatment processes. Whether as standalone single elements (LW type) or integrated into complete systems (LGW type), it is the preferred choice for safeguarding downstream processes and enhancing final effluent quality.
High-Quality PVDF Membrane Core: Utilizes stable PVDF (Polyvinylidene Fluoride) material, offering good mechanical strength and chemical stability for long-term, reliable operation.
Precise Filtration, Ensured Water Quality: The 0.02-micron nominal pore size efficiently retains pollutants like suspended solids, colloids, and bacteria. Product water SDI₁₀ is consistently below 3, with turbidity lower than 0.1 NTU, making it an ideal pretreatment unit for sensitive membrane systems like RO.
Broad and Stable Operational Adaptability: Features a wide design flux range (40-200 L/(m²·h)), can operate within 0-40°C water temperature and pH 1-13, tolerates routine chemical cleaning, and adapts to various complex water sources.
Robust and Reliable System Construction: The membrane housing uses PVC material, and end seals use EP resin for structural integrity. The integrated equipment (LGW type) is highly engineered, easy to install and maintain, and enables automated operation.
The LW type pressure ultrafiltration system serves as a reliable bridge between conventional and advanced treatment, widely applied in:
Core Pretreatment for Reverse Osmosis Systems: In seawater desalination, water reuse, and ultrapure water preparation, it provides RO systems with high-quality feed water featuring very low SDI values, significantly extending RO membrane life and reducing system energy consumption.
High-End Industrial Water Preparation: Provides a critical purification unit for processes with stringent feed water quality requirements, such as in electronics/semiconductor, biopharmaceuticals, and high-pressure boiler feed water.
Municipal and Community Drinking Water Standards Upgrade: Used for process upgrades in existing water treatment plants or in new plant construction to directly produce low-turbidity, high-biosecurity drinking water.
Specialized Separation and Material Concentration: Used in food, beverage, and bioengineering fields for clarification, sterilization, and separation/concentration of macromolecules.
The LW type pressure ultrafiltration solution, with its stable performance, excellent effluent indicators, and flexible configuration options, provides customers with an efficient and economical technological pathway for water purification, resource recovery, and process upgrades.
| Item | Parameters |
| Membrane Material | PVDF |
| Nominal Pore Size | 0.02 μm |
| Fiber Inner/Outer Diameter (ID/OD) | 1.00 / 1.60 mm |
| Product Water Quality | SDI₁₀ < 3, Turbidity < 0.1 NTU |
| Item | Parameters |
| Maximum Inlet Pressure | 300 kPa |
| Maximum Transmembrane Pressure (TMP) | 120 kPa |
| Maximum Backwash Pressure | 250 kPa |
| Design Filtration Flux | 40 – 200 L/(m²·h) |
| pH Tolerance Range | 1 – 13 |
| Temperature Range | 0 – 40 °C |
| Model | Effective Membrane Area (m²) | Flow Range (m³/h) | Moist Weight (kg) |
| LW2-0960-F | 56 | 1.6 – 8.0 | ≈ 50 |
| LW2-0980-F | 77 | 2.2 – 11.0 | ≈ 60 |
Note: LW-type membrane components can be integrated into standardized or customized LGW-type ultrafiltration equipment based on project requirements.
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A: You receive comprehensive water treatment services including detailed system documentation, operator training, warranty coverage, and access to our technical support team. We also offer optional annual maintenance contracts for long-term industrial water system support.
A: We maintain strategic inventory of critical water treatment spare parts. For urgent needs, we expedite shipping to minimize your RO system maintenance downtime. Our support team manages parts identification and logistics.
A: We prioritize emergency cases. For critical issues halting operation, we provide initial response within 4-8 business hours and work relentlessly to resolve problems, leveraging remote diagnostics for water treatment maintenance.
A: Yes. We offer comprehensive training during water plant commissioning, covering normal operation, routine water treatment maintenance, and basic troubleshooting procedures.
A: Absolutely. Our systems feature modular design. We can reassess needs and provide retrofit solutions or capacity expansions through our water treatment services to adapt to changing conditions.
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