FRP 1665 Filter Vessel 4″ Opening

FRP 1665 Filter Vessel – Extra High-Capacity Water Filtration Tank

• Needs a 4″ control valve, riser pipe and strainers.
• Max 10bar working pressure.
• Media supplied separately.

The FRP 1665 Vessel with a 4” top opening is a heavy-duty fiberglass reinforced plastic (FRP) pressure tank designed for large-scale water filtration and treatment systems. Measuring 16 inches in diameter and 65 inches in height, this high-capacity vessel is ideal for industrial, commercial, and high-demand residential applications that require efficient filtration and high flow rates.

Constructed with a corrosion-resistant FRP outer shell and a food-grade polyethylene inner liner, the FRP 1665 vessel offers excellent durability, pressure tolerance up to 10 bar, and safe handling of potable water. Its 4” top opening allows for larger control valves, easier media loading, and convenient maintenance, making it perfect for professional water filtration setups.

Key Features & Benefits

• Heavy-duty FRP construction – corrosion-resistant and rust-free
• Food-grade inner liner – safe for drinking water applications
• Extra-large media capacity – supports high water usage and flow
• 4” top opening – compatible with larger 4″ valves and easier media replacement
• Lightweight compared to steel tanks – simpler transport and installation

Typical Applications

• Industrial and commercial water filtration systems
• Borehole and municipal water treatment
• Carbon, glass, and multimedia filters
• Water softeners and iron removal systems
• High-demand residential filtration systems

Product Specifications

• Model: FRP 1665
• Size: 16” x 65”
• Top Opening: 4”
• Material: Fiberglass Reinforced Plastic (FRP)
• Inner Liner: Food-grade polyethylene (PE)
• Colour: Standard (may vary)
• Valve Compatibility: Standard 4″ top-mount valves

Why Choose the FRP 1665 Vessel?

The FRP 1665 vessel with 4” opening combines high capacity, durability, and ease of maintenance, making it the preferred choice for professional water treatment applications. Its large media volume and non-corrosive construction ensure consistent filtration performance in demanding commercial, industrial, and residential settings

FRP 1665 Vessel with 4” Opening – Frequently Asked Questions (FAQ)

What is an FRP 1665 vessel with a 4” opening?

The FRP 1665 vessel with a 4” top opening is a fiberglass reinforced plastic (FRP) pressure tank designed for water filtration and treatment systems. It measures 16 inches in diameter and 65 inches in height, with a large 4” top opening for easier valve installation and media handling.

What is the FRP 1665 vessel with 4” opening used for?

This high-capacity vessel is ideal for:

• Industrial and commercial water filtration systems
• High-demand residential water treatment
• Borehole water filtration
• Carbon, glass, and multimedia filters
• Water softeners and iron removal systems

Is the FRP 1665 vessel with 4” opening suitable for drinking water?

Yes. The vessel features a food-grade polyethylene inner liner, making it suitable for potable water applications when used with approved filtration media and correctly installed components.

What material is the FRP 1665 vessel made from?

The vessel has a fiberglass reinforced plastic (FRP) outer shell and a food-grade PE inner liner, offering superior strength, corrosion resistance, and long-term durability.

Why is the 4” top opening important?

The 4” top opening provides:

• Easier installation of larger control valves
• Simplified loading and replacement of filtration media
• Convenient access for inspection and maintenance
• Increased flow rates

What control valves are compatible with this vessel?

The FRP 1665 vessel with a 4” opening is compatible with standard top-mount 4″ valve, suitable for industrial, commercial, and high-flow filtration systems.

Can the FRP 1665 vessel be installed outdoors?

Yes. It has a UV-resistant exterior, allowing outdoor installation. For optimal longevity, it is recommended to install the vessel in a shaded or sheltered location.

Will the FRP 1665 vessel rust or corrode?

No. FRP vessels are completely rust-free and corrosion resistant, making them ideal for water treatment systems exposed to moisture or harsh water conditions.

What maintenance does the FRP 1665 vessel require?

The vessel itself requires minimal maintenance. Routine maintenance depends on the filtration media and control valve, such as periodic backwashing or media replacement.

Is the FRP 1665 vessel easy to install?

Despite its large size, the FRP 1665 vessel is lighter than equivalent steel tanks, making it easier to transport and install. Professional installation is recommended for best performance.

Does the FRP 1665 vessel come with filtration media and a control valve?

This depends on the selected product option. Check the product listing on www.pumpsandfilters.co.za or contact Pumps & Filters for guidance on selecting compatible media and control valves.