RO FRP Vessel
Operating Temp Range: 2°C ---59°C
Operating pH Range: 3 – 11
Cleaning pH Range: 2 – 12
Number of elements: 1-6
Payment terms: T/T, West Union, etc.
RO FRP Vessel - Lightweight, Corrosion-Proof & High-Pressure Resistant
The RO FRP Vessel is engineered for reliable, high-performance water desalination and industrial filtration systems. Made from high-strength fiberglass-reinforced plastic (FRP), it offers durability, light weight, and excellent corrosion resistance - a cost-effective alternative to stainless steel membrane housings.
Each membrane vessel provides an effective membrane area of 40–44m², producing over 1 ton of permeate water per hour under standard operating conditions (conductivity ≤1000 μS/cm). Operating between 10–15 bar, it achieves a desalination rate of 99%, ideal for treating brackish water, tap water, and low-salinity groundwater.
Technical Specifications
| Parameter | Description |
|---|---|
| Model | 8040 / 4040 / 2540 / 4021 |
| Design Pressure | 300 / 450 / 600 / 1000 / 1200 / 1800 PSI |
| Material | High-strength FRP (epoxy resin coating) |
| Membrane Elements | 4" (1–5 cores) / 8" (1–7 cores) |
| Length | 4": 120cm / 8": 160cm (customizable) |
| End Port Distance | 4": 118.5cm / 8": 105.5cm |
| Operating Temperature | ≤66°C (150°F) |
| pH Range | 3–11 |
| Connection Type | 3/4"–3" NPT (customizable) |
| Surface Finish | Anti-UV polyurethane paint (outdoor protection) |
FRP vs. Stainless Steel - Which Is Better for RO membrane housing?
| Feature | FRP Vessel | Stainless Steel Vessel |
|---|---|---|
| Weight | 1/3 lighter – easy installation | Heavier – needs lifting tools |
| Corrosion Resistance | Excellent, rust-free | May corrode in saline/chemical water |
| Cost | Affordable for large systems | 1.5–2× cost of FRP |
| Pressure Rating | Up to 1800 PSI | Comparable |
| Maintenance | Low – no anti-rust needed | Requires regular inspection |
| Thermal Conductivity | Low – safe outdoors | High – heats up easily |
💡 Conclusion: FRP vessels offer the best balance between cost, durability, and corrosion resistance, making them ideal for most industrial RO systems than stainless steel RO membrane housing.
Why Industrial Buyers Choose Us
✅ Certified Quality: NSF, CE, and ASME approved; ISO 9001 quality management.
Certifications
ISO 9001
QMS
EMS
ASME
CE
NSF
💧 Hydro Tested: Every vessel passes 1.5× pressure test (e.g., 1800 PSI model tested at 2700 PSI).
🔩 Universal Fit: Compatible with 99% of international membranes (DOW, Toray, Hydranautics, Vontron).
🛠️ Custom Options: Port size, hole distance, and color (RAL code) available.
☀️ Outdoor-Grade Option: Anti-UV coating for solar-powered or exposed RO systems.
📍Project Highlight:
In Pakistan, we supplied 4,000 pcs of 4080 RO FRP vessels for a government tender project, ensuring high-pressure testing and export documentation - a benchmark for our large-scale manufacturing capability.
Applications
- Municipal & Industrial RO Systems
- Desalination Plants
- Food & Beverage Processing
- Chemical & Petrochemical Industry
- Mining & Metallurgy
- Pharmaceutical & Biotechnology
- Power & Energy Systems
FAQ
Q1: What's the difference between "FRP vessel" and "membrane housing"?
A: They are the same. "FRP vessel" emphasizes the fiberglass material, while "membrane housing" is the general term.
Q2: Can it handle high-temperature water?
A: Yes. Suitable for up to 66°C (150°F) applications.
Q3: What certifications are available?
A: NSF, CE, ASME, ISO 9001, hydro test report, and material certificate (ROHS/REACH compliant).
Q4: What's the lifespan?
A: Typically 3–5 years, depending on water quality and maintenance frequency.
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