
The Pentair 1865 FRP Tank is a high-performance filtration vessel designed for residential and light commercial water treatment applications. With a capacity of 250 liters, it features a 4-inch threaded top and bottom opening, facilitating easy installation and maintenance. The tank's inner shell is crafted from seamless polyethylene, ensuring leak-proof performance, while the outer shell comprises continuous fiberglass strands with high-strength epoxy resin, providing exceptional durability and chemical resistance. Certified by NSF and CE, it operates efficiently up to 150 PSI (10.34 bar) and is suitable for temperatures up to 49°C. This vessel is ideal for use in water softeners, sand filters, and demineralization plants.
The Pentair 1865 FRP (Fiberglass Reinforced Plastic) tank is a high-performance vessel designed for water treatment applications, including filtration, softening, and storage. With a capacity of 250 liters (66.1 gallons), it is well-suited for both residential and light commercial systems.
Construction & Durability
This tank features a seamless inner shell made of high-density polyethylene (PE), providing a leak-proof barrier. The outer shell is constructed from continuous strands of fiberglass impregnated with high-strength epoxy resin, ensuring exceptional durability and resistance to corrosion. This robust construction enables the tank to withstand harsh water treatment environments and high pressures.
Specifications
Diameter: 473 mm (18.6 inches)
Height: 1640 mm (64.5 inches) without base; 1753 mm (69 inches) with base
Operating Pressure: 145 PSI (10 bar)
Maximum Pressure: 150 PSI (10.3 bar)
Maximum Temperature: 49°C (120°F)
Weight: Approximately 32.83 kg
Opening: 4-inch threaded top
Certifications: NSF & CE.
Applications
The Pentair 1865 FRP tank is ideal for various water treatment processes, including:
Water softening
Filtration systems
Reverse osmosis (RO) pre-treatment
Industrial and commercial water purification
Storage of treated water
Advantages
Corrosion Resistance: The fiberglass construction prevents rust and degradation over time.
Lightweight: Easier handling and installation compared to metal tanks.
Low Maintenance: Requires minimal upkeep due to its durable materials.
Longevity: Designed for extended service life in demanding conditions.
In summary, the Pentair 1865 FRP tank offers a reliable, durable, and efficient solution for various water treatment needs, combining advanced materials with practical design to ensure optimal performance.

