- Qingqingquan
- Shandong
- 20 days
- 300 units per month
NSF-certified FRP membrane housings withstand 300psi with 30% longer membrane life. Perfect for RO and industrial RO. Download free technical specs.
FRP RO Membrane Housings: The 2025 Ultimate Guide
Why Choose FRP Pressure Vessels?
✔ High Pressure Resistance - Up to 300psi working pressure
✔ Superior Corrosion Resistance - Ideal for seawater applications
✔ Thermal Insulation - Protects membranes from temperature fluctuations
✔ Lightweight - 60% lighter than stainless steel
Industry Fact: FRP housings extend membrane life by 30% compared to metal alternatives (SWRO 2023 Report)
Key Technical Specifications
| Parameter | Standard Value | Advantage |
|---|---|---|
| Burst Pressure | ≥900psi | Safety margin |
| Operating Temp | -40°C to 65°C | All-climate use |
| Surface Finish | ≤0.5μm Ra | Prevents biofilm |
| Weight | 4.5kg/m (8") | Easy installation |
Certifications: NSF/ANSI 61, ASME RTP-1, WRAS
3 Unique FRP Advantages
1. Composite Construction
• 4-layer winding process:
Corrosion barrier
Structural layer
Reinforcement
UV-resistant coating
2. Thermal Performance
• 0.21W/m·K conductivity (vs 16W/m·K for steel)
• Maintains stable water temperature
3. Chemical Resistance
• pH range: 2-12
• Resists:
Chlorides
Sulfates
Hydrocarbons
Installation Checklist
Pre-Installation
1. Inspect O-rings for damage
2. Apply silicone-free lubricant
3. Verify thrust ring position
During Installation
✔ Align arrows with flow direction
✔ Torque endplates to 28-32Nm
✔ Perform 3-stage pressure test
Post-Installation
• Check for leaks at 125% operating pressure
• Confirm proper membrane seating
• Document serial numbers
Maintenance Protocol
🔧 Monthly: Visual inspection
💧 Quarterly: O-ring replacement
📊 Biannual: Full pressure test
⚠️ Annual: Internal inspection
Pro Tip: Use food-grade grease for potable water systems
Industry Applications
1. Seawater Desalination
• 8" 300psi vessels for SWRO
• 100% saltwater-resistant
2. Wastewater Reuse
• Chemical-resistant for MBR systems
• Handles backwash cycles
3. Food & Beverage
• NSF-certified materials
• Smooth interior prevents contamination
4. Pharmaceutical
• Electropolished options available
• Validatable for FDA compliance
Free Resources
📥 Download: "FRP Housing Installation Manual"
🔧 Get: Free O-Ring Kit with Purchase
📞 Consultation: System Design Experts
