Description
The First Line 4040 × 3 Element FRP 3 Side Port Membrane Housing is a premium-quality fiberglass reinforced plastic (FRP) pressure vessel designed to accommodate three standard 4″ × 40″ reverse osmosis membranes in a single housing. Engineered for high-capacity commercial and industrial reverse osmosis systems, it provides excellent durability, corrosion resistance, and reliable performance under demanding operating conditions.
Featuring a 3 side port configuration, this membrane housing provides flexible piping options and efficient water distribution through all three membrane elements. Manufactured from high-strength FRP composite materials, it is lightweight yet exceptionally durable, offering excellent resistance to corrosion, chemicals, UV exposure, and high operating pressures.
Compatible with most standard 4040 RO membranes, the First Line 4040 × 3 Element FRP 3 Side Port Membrane Housing is an ideal solution for larger reverse osmosis systems requiring increased membrane capacity, efficient operation, and long-term reliability.
Features:
- Designed for three standard 4″ × 40″ RO membranes.
- Premium First Line quality construction.
- High-strength fiberglass reinforced plastic (FRP) body.
- 3 side port configuration for flexible piping arrangements.
- Efficient water distribution through multiple 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.
- Model: First Line 4040 × 3 Element.
- Membrane Size: 4″ × 40″.
- Membrane Capacity: 3 × 4040 membranes.
- Housing Material: Fiberglass Reinforced Plastic (FRP).
- Port Configuration: 3 Side Port.
- Port Position: Side port configuration for flexible system plumbing.
- 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:
- 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.
- High-capacity water purification systems.
- Industrial process water applications.
Why Choose the First Line 4040 × 3 Element FRP 3 Side Port Membrane Housing?
- Three-membrane capacity: Accommodates three 4040 RO membranes in one pressure vessel for increased system capacity.
- Flexible port configuration: The 3 side port arrangement provides flexibility when designing RO system pipework.
- Durable FRP construction: Excellent resistance to corrosion, chemicals, UV exposure, and harsh water-treatment environments.
- Efficient water distribution: Designed to support effective flow through all three membrane elements.
- High-pressure performance: Suitable for demanding commercial and industrial RO applications.
- Space-efficient design: Multiple membrane elements are housed in a single pressure vessel.
- Easy maintenance: Allows convenient membrane installation, inspection, and replacement.
- Long service life: Strong composite construction provides dependable performance over extended periods.
- Standard membrane compatibility: Designed for commonly available 4″ × 40″ RO membranes.
- Cost-effective system design: Housing three membrane elements in one vessel can simplify system construction and reduce installation requirements.









