Glass Reinforced Plastic Tank
Working pressure: <150 psi
Working temperature: 1-50℃
Material: FRP+PE
Cycle times: 100,000 times
Opening: 2.5" top opening, thread
Flowrate: 0.2-4.5 m³/h
Product Overview
💧 The Glass Reinforced Plastic (FRP) Tank (817-1665 model) is designed for small industrial and commercial water treatment systems. Such as: RO filtration, water softening, and chemical dosing.
Made from fiberglass-reinforced resin and a high-density polyethylene (HDPE) liner, INK-BLUE pressure vessel provides:
- Long-lasting corrosion protection
- Lightweight and easy installation
- Compatibility with food-grade and chemical liquids
These tanks are widely used in Asia, the Middle East, and Africa for bottled water factories, municipal water projects, and industrial water softening lines. Their robust structure and NSF-certified materials ensure safe operation in varying climates and power standards, from tropical humidity to desert conditions.
Key Features
- Food-Grade HDPE Liner – Non-toxic and certified for potable water.
- Corrosion-Proof Exterior – FRP shell resists chemicals, UV exposure, and physical impact.
- Supports Multiple Media – Works with sand, carbon, resin, or manganese filters.
- Leak-Proof Design – Seamless neck and precision-molded ports ensure durability.
- Temperature Stability – Performs from 5°C to 45°C with minimal expansion.
- Lightweight & Compact – Easy to move, install, and maintain.
- Customizable & Scalable – Available in 817-1665 models for different capacities.
Specifications of FRP Tanks (817–1665)
| Model | Description | Volume (L) | Max Flow Rate (T/h) | Dimensions (mm) | Typical Media Load (kg) |
|---|---|---|---|---|---|
| 817 | φ200×340, 2.5" Top | 11 | 0.2 | 415×205 | 4–5 |
| 835 | φ200×890, 2.5" Top | 25.2 | 0.5 | 915×210 | 12–14 |
| 844 | φ200×1115, 2.5" Top | 32.5 | 0.5 | 1138×210 | 15–18 |
| 935 | φ220×890, 2.5" Top | 31.1 | 0.5 | 905×232 | 15–18 |
| 948 | φ220×1005, 2.5" Top | 43.7 | 0.8 | 1230×232 | 22–25 |
| 1035 | φ250×890, 2.5" Top | 38.6 | 1.0 | 885×261 | 18–20 |
| 1044 | φ250×1115, 2.5" Top | 50.3 | 1.5 | 1145×261 | 25–28 |
| 1054 | φ250×1370, 2.5" Top | 62.9 | 1.5 | 1395×261 | 32–35 |
| 1248 | φ300×1005, 2.5" Top | 77.5 | 2.0 | 1255×312 | 38–40 |
| 1252 | φ300×1320, 2.5" Top | 85.2 | 2.2 | 1320×312 | 42–45 |
| 1265 | φ300×1620, 2.5" Top | 108.5 | 2.5 | 1640×312 | 55–60 |
| 1354 | φ330×1370, 2.5" Top | 102.5 | 2.5 | 1380×335 | 50–55 |
| 1465 | φ350×1620, 2.5" Top | 146.6 | 3.0 | 1660×366 | 70–80 |
| 1665 | φ400×1650, 2.5" Top | 191.7 | 4.5 | 1660×415 | 90–100 |
✅ All tanks are pressure-tested and compatible with Fleck, Runxin, Clack, and Autotrol control valves.
Opening and base:
For opening, the 2.5-inch openings are all made of PPO material and have threaded connections.

For base, the fiberglass tanks with diameters ranging from 6 to 16 inches use a standard base and are made of reinforced plastic.

Installation diagram of a complete set of accessories for a fiberglass tank:
A complete set of FRP water treatment tanks should include essential components such as a water distributor, an automatic valve, and a central pipe. The following is an installation diagram.
✅ You can also check out this blog post: What Accessories Are Included with an FRP Tank?

Filter Media Loading Reference
| Media Type | Purpose | Filling Ratio |
|---|---|---|
| Quartz Sand | Removes sediment and turbidity | 60–70% of tank volume |
| Activated Carbon | Removes odor, chlorine, and organic matter | 50–60% of tank volume |
| Ion Exchange Resin | Softens water, removes hardness | 40–50% of tank volume |
| Manganese Sand | Reduces iron and manganese | 60–65% of tank volume |
✅ For detailed filter media calculation methods, please see: How Much Filter Media Fits in Your FRP Tank?
Applications
- RO Pre-Filtration Units
- Water Softening Systems
- Industrial Wastewater Reuse
- Food & Beverage Filtration Lines
- Municipal & Community Water Supply
- Laboratories, Hotels, and Schools
These tanks are trusted by customers in India, Vietnam, Kenya, UAE, and the Philippines, where stable performance in diverse water conditions is critical.

Example Project Case
Project: Bottled Water Factory – Nairobi, Kenya
Model: 1252 × 4 units
Application: RO Pre-filtration + Activated Carbon + Softening
Feed TDS: 1,200 ppm → Output: <60 ppm
Result: 45% reduction in maintenance cost; continuous operation for 10 months without leakage or deformation.
About INK-BLUE Environmental protection
Xi'an Ink-blue Environmental Protection Technology Co., Ltd.
We are a comprehensive water treatment equipment vendor integrating design, manufacturing, sales, and installation. Our product line includes complete water treatment systems, RO membranes, membrane housings, FRP pressure vessels, filter cartridges, and filter cartridge housings. We hold a full range of certifications, including CE, NSF, ASME, and ISO9001.
Professional team
We have a team of engineers who can tailor water treatment solutions for customers. On-site installation & technical guidance services are also available. (for large projects)
7x24 hours delivery
Quote within 24 hours, CAD or design drawings within 72 hours, and respond quickly to customer needs.

20%
Engineer team proportion
800+
Customers served
70%
Export proportion
$3M+
Annual sales
Certifications

ASME Certificate

CE Certificate

NSF Certificate

ISO9001 Certificate

EMS Certificate

QMS Certificate
Procurement Information
Production cycle: 3-7 working days
Shipping time: Depends on the shipping method. By sea, it's generally 20-30 days, depending on the shipping company and customs clearance.
MOQ: 10
Payment terms: T/T, L/C
Quality certifications: NSF, CE, ISO9001
Product colors: Original color and blue are standard colors; other colors require customization.
Packing: Small-diameter FRP tanks are packaged in cardboard boxes, while large-diameter tanks are packaged with bubble wrap.

FAQ
Q1: What is the lifespan of an FRP tank?
Typically 8–10 years with normal use and periodic cleaning.
Q2: Can these tanks be used for seawater or brackish water?
Yes, the HDPE liner resists salt and chemical corrosion, suitable for both.
Q3: Are they compatible with all control valves?
Yes, standard 2.5-inch top opening fits Fleck, Runxin, and Clack types.
Q4: Can the tanks be customized?
Yes, you can select color, thread type, and base stand according to local water plant standards.
Q5: What is the operating temperature range?
Between 5°C and 45°C. For higher temperature use, special epoxy tanks are available.
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