Stark Industrial 6″ Flange Pressure Vessel Series (Heavy Duty)
The Stark industrial **6″ Flange pressure vessel** is engineered for high-volume filtration applications. Featuring a secure 6-inch flange top opening, this heavy-duty tank series (36″-72″ diameter) is designed for municipal water treatment and large-scale industrial plants requiring maximum flow rates and absolutely leak-proof pipe connections.
Product Description
Engineered for the Toughest Industrial Demands.
The Stark **6″ Flange pressure vessel** series represents the pinnacle of large-scale composite manufacturing. Unlike threaded connections which can be prone to leaks under the stress of large piping systems, our 6-inch flange interface offers a robust, bolted connection point compatible with standard DN150 industrial piping. This ensures zero-leakage performance even under high vibration or pressure surges common in desalination plants and municipal facilities.
Our proprietary multi-axis winding process ensures that even our largest 72-inch vessels maintain structural rigidity and uniform pressure distribution, offering a superior, corrosion-resistant alternative to rubber-lined steel tanks.
Installation & Standard Data:
Proper flange alignment and bolt torque are critical for large vessel safety. For detailed flange dimension drawings (ANSI/DIN), bolt circle specifications, and installation torque guides, please reference the technical documentation at our specialized manufacturing division:
Stark Tank Manufacturing – 6″ Flange Series Technical Specs
.
Product Parameter
Below are the verified specifications for our 6″ Flange top-mount series. These heavy-duty tanks are designed for industrial applications requiring high flow rates.
| Model | Volume Capacity | Dimensions (Dia x H) | Flow Rate (m³/h) | B2B Quote | ||
|---|---|---|---|---|---|---|
| Type | US Gal | Liters | Nominal | mm | (Filter/Softener) | Action |
| STK-3694 | 318.4 | 1205 | 36″ x 94″ | Ø900 x 2465 | 7.6-10 / 12-19 | Inquiry |
| STK-4094 | 351.9 | 1332 | 40″ x 94″ | Ø1000 x 2430 | 9.4-11.7 / 15.7-23.5 | Inquiry |
| STK-4272 | 290.6 | 1100 | 42″ x 72″ | Ø1080 x 1850 | 15-25 / 26-30 | Inquiry |
| STK-4872 | 345.6 | 1308 | 48″ x 72″ | Ø1200 x 1880 | 13.5-17 / 22.6-34 | Inquiry |
| STK-4894 | 504.4 | 1909 | 48″ x 94″ | Ø1200 x 2430 | 13.5-17 / 22.6-34 | Inquiry |
| STK-6083 | 570.1 | 2158 | 60″ x 83″ | Ø1500 x 2120 | 21-27 / 35-53 | Inquiry |
| STK-6094 | 710.2 | 2688 | 60″ x 94″ | Ø1500 x 2430 | 21-27 / 35-53 | Inquiry |
| STK-6383 | 681.6 | 2580 | 63″ x 83″ | Ø1600 x 2100 | 25-45 / 46-56 | Inquiry |
| STK-7294 | 940.8 | 3561 | 72″ x 94″ | Ø1800 x 2400 | 30-40 / 50-76 | Inquiry |
*Note: US dimensions are nominal. Flow rates are for reference only. Please consult our engineers for precise system design.
Applicable Industry
- Municipal Water Treatment:
Large-scale sand and carbon filtration for city water supplies, removing sediment and contaminants at high throughput. - Seawater Desalination:
Pre-treatment filtration for SWRO plants, utilizing corrosion-resistant FRP to withstand aggressive saline environments. - Power Plant Cooling Systems:
Side-stream filtration for cooling towers to reduce suspended solids and prevent heat exchanger fouling.
Advantage One
Secure Flange Connection
For vessels exceeding 36 inches in diameter, threaded connections are often insufficient. Stark’s 6-inch flange top opening provides a standardized, bolted connection that eliminates the risk of thread stripping or cross-threading during installation. This design allows for the secure attachment of heavy industrial piping (steel or large diameter UPVC) and ensures a reliable seal capable of withstanding system vibration and hydraulic shock.Advantage TWO
Massive Capacity, Minimal Maintenance
With diameters up to 72 inches, these vessels hold thousands of liters of media, allowing for extended service runs between backwashes. Unlike traditional rubber-lined steel tanks, Stark FRP vessels are inherently rust-proof and require zero painting or lining maintenance. This significantly reduces the total cost of ownership (TCO) for large-scale projects while providing a service life that often exceeds 10 years in harsh conditions.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.