FRP Water Tanks: The Complete Guide & Full Specification List
The ultimate master specification list for Stark **FRP water tanks**. This comprehensive guide covers our entire range of pressure vessels, including standard 2.5″ NPSM residential tanks, high-flow 4″ NPSM commercial models, and heavy-duty 6″ Flange industrial series. Use this catalog to quickly compare dimensions, volumes, and flow rates for any water treatment project.
Product Description
One Source for Every Water Treatment Application.
Whether you are designing a compact home water softener or a massive municipal desalination plant, finding the right pressure vessel is the first step. This master guide consolidates specifications for over 30 different Stark FRP vessel models, ranging from compact 6-liter tanks to massive 3,500-liter industrial reactors.
All Stark tanks are manufactured using our proprietary automated winding process, ensuring consistent wall thickness and a 100% corrosion-resistant HDPE inner liner. This guarantees that whether you choose a small 7×13 tank or a giant 72×94 vessel, you receive the same industrial-grade durability.
Need the Full Data Sheet?
For a downloadable version of this catalog, including detailed structural drawings, shipping weights, and palette packing configurations for every model, please visit our manufacturing division’s resource center:
Stark Tank Manufacturing – Complete Master Spec Sheet
Product Parameter
Below is the complete master specification list for all Stark Water FRP tanks. Use the categorized sections to find the exact opening size and capacity for your system.
| SERIES 1: 2.5″ NPSM Top Mount Models (Residential & Light Commercial) | ||||||
|---|---|---|---|---|---|---|
| Model | Volume | Dimensions | Flow (m³/h) | Action | ||
| US Gal | Liters | Inch | mm | Range | ||
| STK-713 | 1.6 | 6 | 7″ x 13″ | Ø180 x 335 | 0.3-0.7 | Inquiry |
| STK-717 | 2.4 | 9 | 7″ x 17″ | Ø180 x 430 | 0.3-0.7 | Inquiry |
| STK-1054 | 16.4 | 62 | 10″ x 54″ | Ø255 x 1390 | 0.6-1.4 | Inquiry |
| STK-1665 | 49.7 | 188 | 16″ x 65″ | Ø400 x 1670 | 1.5-3.8 | Inquiry |
| SERIES 2: 4″ NPSM Top Mount Models (High Flow Commercial) | ||||||
| STK-1465A | 38.6 | 146 | 14″ x 65″ | Ø355 x 1670 | 1.2-3.0 | Inquiry |
| STK-2472 | 109.6 | 415 | 24″ x 72″ | Ø600 x 1920 | 3.3-8.4 | Inquiry |
| STK-3672 | 224.6 | 850 | 36″ x 72″ | Ø900 x 1950 | 7.6-19.0 | Inquiry |
| SERIES 3: 6″ Flange Top/Side Models (Heavy Industrial) | ||||||
| STK-3694 | 318.4 | 1205 | 36″ x 94″ | Ø900 x 2465 | 7.6-19.0 | Inquiry |
| STK-7294 | 940.8 | 3561 | 72″ x 94″ | Ø1800 x 2400 | 30.0-76.0 | Inquiry |
*Note: This is an abbreviated list of our most popular models. For side-mount options or custom sizes, please contact our engineering team.
Applicable Industry
- Residential & Light Commercial (Series 1):
Whole-house softeners, cafe water filtration, and small RO pre-treatment units (up to 3.8 m³/h). - Commercial & Industrial (Series 2):
Hotels, boiler feed water, and mid-sized manufacturing plants requiring high-flow backwashing (up to 23.5 m³/h). - Heavy Industrial & Municipal (Series 3):
Desalination plants, power stations, and city waterworks requiring massive capacity and flange connections (up to 76 m³/h).
Advantage One
Comprehensive Range, Single Source
Stark Water eliminates the need to source pressure vessels from multiple vendors. By offering a complete spectrum from 6-liter residential tanks to 3,500-liter industrial vessels, we provide system integrators with a unified supply chain.This ensures consistent quality standards, color matching, and warranty terms across your entire project, whether you are building a single home unit or a complex industrial plant.Advantage TWO
Consistent Industrial Quality
Unlike competitors who outsource smaller tanks, every Stark FRP vessel—regardless of size—is manufactured with the same rigorous quality control. From the 7″ tank to the 72″ giant, all vessels feature seamless PE liners and high-strength fiberglass winding.All models are rated for 150 PSI operating pressure and undergo strict fatigue testing (100,000 cycles) to guarantee long-term safety.Related Products
Related products
FAQ
Q1: How long does the reverse osmosis system last?
The lifespan of a reverse osmosis system depends on water quality and maintenance. Typically, the membrane lasts 2–3 years, while the system itself can last over 10 years with proper care.
Q2: Can the system be customized based on different water conditions?
Yes, all our systems are fully customizable. We analyze your water report and application needs before providing tailored solutions.
Q3: What standards does STARK equipment comply with?
Our products comply with CE, ISO 9001, and can be designed to meet specific regional regulations or industry standards upon request.
Q4: What is the delivery time for STARK RO systems?
Standard systems are shipped within 7–15 days. For customized orders, lead time may extend to 20–25 days depending on complexity.
Q5: Do you provide technical support or installation guidance?
Yes. We provide full technical documentation, remote guidance via video, and can dispatch engineers internationally upon request.
Q6: What is included in your quotation?
Our quotation includes the full RO system, control panel, pumps, pre-treatment units, and all necessary fittings. Installation tools and spare parts can be included upon request.