✅ PRODUCT DESCRIPTION – 21×69 FRP WATER TREATMENT TANK
Our 21×69 FRP (Fiberglass Reinforced Plastic) Water Treatment Tank is a high-capacity pressure vessel designed for advanced industrial, commercial, and large-scale residential water treatment systems. With its extra-large media volume and robust FRP construction, this tank delivers superior filtration, softening, and chemical treatment performance.
Built with a seamless polyethylene liner and multi-layer FRP winding, the 21×69 tank provides exceptional strength, corrosion resistance, and long service life. It is compatible with all major automatic and manual multiport valves, making it ideal for large water softeners, multimedia filters, activated carbon systems, and RO plant pretreatment.
✅ TECHNICAL SPECIFICATIONS – 21×69 FRP TANK
1. Dimensions
Diameter: 21 inches
Height: 69 inches
Top Opening: 4" or 2.5" (based on model)
Bottom Opening: Optional (depending on design)
Base Material: FRP / Reinforced Polypropylene
2. Material Construction
Outer Shell: High-strength Filament-Wound FRP
Inner Liner: Food-grade, NSF-approved polyethylene
Resin Type: Corrosion-resistant epoxy/vinyl ester
UV Protection: Yes, suitable for outdoor use
3. Pressure & Temperature Ratings
Max Operating Pressure: 100–150 PSI
Burst Pressure: Approx. 400 PSI
Operating Temperature: 1°C to 50°C
4. Applications
Large Water Softener Systems
Multimedia Sand Filters
Activated Carbon Filters
Iron & Manganese Removal Plants
Industrial Water Treatment Units
High-Flow Commercial Filtration
RO Plant Pre-Treatment Systems
5. Key Features
Large media holding capacity for higher flow rates
Lightweight and easy to install
Fully corrosion-proof FRP body
Smooth, hygienic inner liner prevents scale and bacteria
Compatible with Fleck, Runxin, Autotrol & other multiport valves
Long service life with minimal maintenance