Top-opening fiberglass reinforced plastic composite tank, manual addition tank for filter media, household small-sized filtration tank, reliable sealing
"Head Opening" FRP Composite Tank Series is designed for convenient, leak-proof media loading in water treatment systems, available in 10" to 16" sizes (multiple models optional):
Head Opening Design: The tank head features a φ40mm opening, with the head opening component made of durable alloy ABS material. An integrated O-ring seal inside the loading port ensures reliable leak-proof performance.
User-Friendly Operation: This design simplifies media loading while saving time and effort, making daily operation more efficient.
Specifications & Dimensions: The series covers models with volumes ranging from 3.8L to 91.7L (1.0 to 50.6 gallons). Key parameters include a 2.5" NPSM opening size, a φ40mm head diameter, and a PE round base for stable placement.
Durable Construction: Built with high-quality FRP materials, the tanks offer excellent structural stability, suitable for long-term use in various water treatment scenarios.
Ideal for both small-scale and medium-scale fluid processing applications, these tanks balance practicality, durability, and ease of use.
For example, model 1035, 2.5T-U: Diameter 258mm, Capacity 38.1 liters
Core Design
The top cover of the tank is equipped with a special feeding port with a diameter of 40mm.
Tank material
Glass Fiber Reinforced Plastic (FRP)
Hole-making component material
Alloy ABS material, with built-in O-ring seal
Main purpose
A home or small business filtration system that allows for manual filling of the filter material
【Product Overview】
The “Top Opening” FRP (Fiber Reinforced Plastic) composite tank series is a portable pressure vessel specifically designed for household or small commercial filter material tanks. Its core design is to integrate a standardized dedicated filling port (with a diameter of Φ40mm) at the center of the tank’s top cover, allowing users to directly and quickly manually fill or replenish filter materials (such as activated carbon, softening resin, etc.) into the tank without having to dismantle the complex piping and valves. This design significantly simplifies the maintenance operation of small filtration systems. With its reliable sealing performance, long-lasting durability, and ultimate user-friendly operation experience, it becomes the ideal choice for water treatment applications with compact space and emphasis on maintenance convenience.
【Product Features and Advantages】
Additive Revolution, Time and Labor Saving: The core advantage lies in the dedicated top additive port. When filling the filter material, there is no need to disassemble any inlet or outlet valves or pipes. You can simply open the cover to add the additive, simplifying the complex maintenance work into a simple dumping operation. This is particularly suitable for non-professionals to use.
Sealing is reliable and leakage is completely avoided: The feeding port assembly is made of alloy ABS material and is equipped with an O-ring, ensuring excellent sealing performance even after multiple openings and closings, fundamentally preventing leakage risks during system operation.
Sturdy and durable, with simple maintenance: The FRP tank has excellent pressure resistance and corrosion resistance. The entire feeding structure is designed to be sturdy and long-lasting, and it is easy to clean, thereby reducing the maintenance cost throughout the equipment’s life cycle.
Optimized for small-scale scenarios: Product models (such as 1035, 2.5T-U) are designed for household and small-flow commercial use. They have an appropriate volume (as shown in the document, it is 38.1 liters), perfectly meeting the filter material filling requirements of small water softeners, water purifiers, and other equipment.
Enhancing user experience: Significantly reduces the maintenance threshold and anxiety for end users, making filter material replacement effortless and tidy, thereby improving the overall usability and user satisfaction of the product.
【Typical Application Scenarios】
Ion exchange resin tanks for small central soft water systems in homes or villas.
Activated carbon filter tanks for small commercial spaces (such as coffee shops, offices), and filter material tanks for water purification equipment.
Other small water treatment devices that require manual addition or replacement of granular filter media on a regular basis.