Description
The 4021 FRP End Port Membrane Housing is a high-strength fiberglass reinforced plastic (FRP) pressure vessel designed to accommodate a single standard 4″ × 21″ reverse osmosis membrane. Engineered for durability and reliable high-pressure operation, it provides secure membrane protection while offering excellent resistance to corrosion, chemicals, and harsh water-treatment environments.
The end-port configuration allows for straightforward installation and maintenance, while the lightweight FRP construction provides a strong and durable housing for commercial and light industrial RO applications.
Features:
- Designed for one standard 4″ × 21″ RO membrane.
- Durable fiberglass reinforced plastic (FRP) construction.
- End-port configuration for convenient installation and maintenance.
- Excellent corrosion and chemical resistance.
- High-pressure, leak-resistant design.
- Lightweight construction with high mechanical strength.
- Suitable for demanding water-treatment environments.
- Provides secure protection for the RO membrane.
- Designed for reliable long-term operation.
Specifications:
- Housing Type: FRP End Port Membrane Housing
- Membrane Size: 4″ × 21″
- Membrane Capacity: 1 × 4″ × 21″ RO membrane
- Construction: Fiberglass Reinforced Plastic (FRP)
- Port Configuration: End Port
- Application: Reverse Osmosis
- Material Properties: Corrosion and chemical resistant
Applications:
- Commercial reverse osmosis systems.
- Light industrial water purification.
- Borehole water treatment.
- Municipal and process water treatment.
- Food and beverage processing.
- Hospitality water-treatment systems.
- Agricultural water treatment.
- Manufacturing and industrial process water.
- General commercial water purification.
Why Choose the 4021 FRP End Port Membrane Housing?
- Durable FRP construction for demanding water-treatment applications.
- Corrosion resistant, making it suitable for a wide range of water conditions.
- End-port design simplifies membrane installation and maintenance.
- Compact and lightweight compared with many traditional pressure vessels.
- Provides reliable protection for the RO membrane.
- Suitable for commercial and light industrial RO systems.
- Built for dependable, long-term operation in harsh environments.









