Description
The First Line 4040 × 4 Element FRP Opposite Side Port Membrane Housing is a premium-quality fiberglass reinforced plastic (FRP) pressure vessel designed to accommodate four standard 4″ × 40″ reverse osmosis membranes in a single housing. Engineered for high-capacity commercial and industrial reverse osmosis systems, it provides excellent water distribution, efficient flow performance, and flexible piping options.
The opposite side port configuration allows for flexible system layouts and efficient water flow through all four membrane elements. Constructed from high-strength FRP composite materials, the housing is lightweight yet exceptionally durable, offering excellent resistance to corrosion, chemicals, UV exposure, and demanding operating conditions.
Compatible with most standard 4040 RO membranes, the First Line 4040 × 4 Element FRP Opposite Side Port Membrane Housing is an ideal solution for large-scale reverse osmosis systems requiring high membrane capacity, dependable performance, and long service life.
Features:
- Designed for four standard 4″ × 40″ RO membranes.
- Premium First Line quality construction.
- High-strength fiberglass reinforced plastic (FRP) body.
- Opposite side port configuration for flexible piping arrangements.
- Efficient water distribution through all four membrane elements.
- Corrosion, chemical, and UV resistant.
- High-pressure, leak-resistant performance.
- Lightweight yet exceptionally strong construction.
- Easy to install and maintain.
- Compatible with most standard 4040 RO membranes.
- Suitable for commercial and industrial reverse osmosis systems.
Specifications:
- Product Type: FRP RO Membrane Housing
- Brand: First Line
- Model: 4040 × 4 Element
- Membrane Size: 4″ × 40″
- Membrane Capacity: 4 × 4040 membranes
- Housing Material: Fiberglass Reinforced Plastic (FRP)
- Port Configuration: Opposite Side Port
- Port Position: Opposite-side entry/exit configuration
- Membrane Type: Standard 4040 RO membrane
- Construction: High-strength FRP composite
- Pressure Rating: Suitable for high-pressure RO applications
- Resistance: Corrosion, chemical, and UV resistant
- Installation: Suitable for commercial and industrial RO systems
- Maintenance: Easy membrane access and replacement
- Application: Commercial and industrial reverse osmosis systems
Applications:
- High-capacity commercial reverse osmosis systems.
- Industrial water purification plants.
- Borehole water treatment.
- Brackish water desalination.
- Food and beverage processing.
- Pharmaceutical and laboratory water systems.
- Hotels and hospitality facilities.
- Agriculture and irrigation water treatment.
- Manufacturing and process water treatment.
- Large-scale water purification systems.
- Industrial process water applications.
Why Choose the First Line 4040 × 4 Element FRP Opposite Side Port Membrane Housing?
- Four-membrane capacity: Accommodates four 4040 RO membranes in one pressure vessel for high-capacity water production.
- Flexible piping: The opposite side port configuration allows greater flexibility when designing RO system pipework.
- Durable FRP construction: Provides excellent resistance to corrosion, chemicals, UV exposure, and harsh water-treatment environments.
- Efficient water distribution: Designed to support effective flow through all four membrane elements.
- High-pressure performance: Suitable for demanding commercial and industrial RO applications.
- Space-efficient design: Multiple membrane elements are housed in one pressure vessel, helping reduce installation requirements.
- Easy maintenance: Allows convenient access for membrane installation, removal, and replacement.
- Long service life: Robust FRP composite construction provides dependable long-term performance.
- Standard 4040 compatibility: Designed to accommodate widely available 4″ × 40″ RO membranes.
- Cost-effective system solution: Housing four membrane elements in a single vessel can simplify system construction and reduce piping and installation requirements.









