Stainless Steel Sterile Water Tank – Premium Aseptic Storage Solution

Our stainless steel sterile water tanks are engineered for critical hygiene applications and manufactured with high-quality 304 or 316 stainless steel. Each tank is designed with GMP-compliant standards and features a mirror-polished interior to minimize contamination risk, making it ideal for use in pharmaceuticals, laboratories, hospitals, and food processing facilities.

With decades of expertise in clean water systems, STARK Water delivers customizable tank solutions ranging from 500L to 10,000L. These tanks ensure efficient sediment separation, long-term durability, and compatibility with advanced cleaning systems such as CIP (Clean-in-Place).

Product Features and Benefits

1. GMP-Compliant Sanitary Design

Built in accordance with international GMP and FDA standards, the tank features a fully enclosed structure, seamless welding, and internal mirror polishing (Ra ≤ 0.4μm). This ultra-smooth surface prevents bacterial adhesion and biofilm formation, ensuring long-term sterility and hygiene.

What it means for you: No risk of microbial contamination. Ideal for ultra-pure water systems and cleanroom environments.

2. Intelligent Sediment Separation with Minimal Maintenance

The spherical bottom design allows natural stratification: clean water rises to the top while heavy sediments settle at the bottom. A strategically positioned bottom outlet valve enables periodic discharge of sediments without opening the tank or manual intervention.

What it means for you: Less manual labor, more hygienic operation, and longer service intervals.

3. Flexible Material Options: 304 & 316L Stainless Steel

Standard models are constructed with food-grade 304 stainless steel. For high-chloride or corrosive media, 316L stainless steel offers superior corrosion resistance—ideal for pharmaceutical, biotech, and seawater-related applications.

What it means for you: Extended product life and safe performance in demanding environments.

4. Customizable Tank Geometry and Accessories

You can fully tailor the tank to your project requirements. Available customizations include:

  • Inlet/outlet ports (DN size, flange/threaded)
  • Manholes, sight glasses, level indicators
  • Spray balls for CIP (clean-in-place)
  • Pressure-relief and vacuum valves

What it means for you: One tank fits many systems. Avoid costly retrofits or adapters.

5. Mirror-Polished Interior for Clean Water Flow

The mirror-finished interior eliminates water retention points, ensuring efficient flow, reducing residue buildup, and accelerating cleaning processes.

What it means for you: Faster turnover cycles, reduced cleaning time, and better water quality preservation.

6. CIP-Ready and Easy to Maintain

Fully compatible with clean-in-place systems and high-pressure washing. No internal angles or dead zones—maintenance is minimal and operator-friendly.

What it means for you: Hygienic cleaning with reduced downtime. Ideal for regulated industries.

7. Structural Durability and Long Life

Manufactured using precision TIG welding and anti-corrosion passivation, the tank is built to last under varying pressure, temperature, and transport conditions.

What it means for you: Long service life and low total cost of ownership (TCO).

Technical Specifications

Model Capacity Dimensions (mm) Wall Thickness Inlet/Outlet Port
STK-WT-0.5T 500L 800 × 1910 1.5mm 1"
STK-WT-1T 1000L 1000 × 2110 1.5mm 1"
STK-WT-1.5T 1500L 1200 × 2110 2.0mm 1"
STK-WT-2T 2000L 1300 × 2540 2.0mm 1"
STK-WT-3T 3000L 1500 × 2690 2.0mm 1"
STK-WT-4T 4000L 1500 × 3190 2.0mm 1"
STK-WT-5T 5000L 1600 × 3290 3.0mm 1"
STK-WT-6T 6000L 1800 × 3390 3.0mm 1.5"
STK-WT-8T 8000L 2000 × 3440 3.0mm 1.5"
STK-WT-10T 10000L 2200 × 3540 3.0mm 1.5"

Applications

Our stainless steel sterile water tank is engineered to deliver exceptional performance across a wide range of industries. With a GMP-compliant design and robust construction, it guarantees contamination-free water storage for critical processes. The following sectors have benefited from its advanced features:

Pharmaceutical Industry

In the pharmaceutical sector, water quality is paramount. Our tanks are used for storing Purified Water (PW) and Water for Injection (WFI), ensuring compliance with strict regulatory standards. The sterile design minimizes microbial contamination, supporting high-purity water production essential for drug formulation and sterile manufacturing processes.

Medical and Hospital Applications

Hospitals and healthcare facilities rely on these tanks to supply water for dialysis, surgical procedures, and diagnostic laboratories. The aseptic construction ensures that the water remains free from pathogens, thus protecting patients and supporting critical medical operations. Additionally, the tanks serve as reliable backup systems for emergency water supply.

Food and Beverage Processing

Water purity is crucial in the food and beverage industry. Our sterile tanks are utilized for storing RO water and other process liquids used in cleaning, processing, and product formulation. Their contamination-preventive design helps maintain consistent quality, ensuring that food products meet rigorous safety and quality standards.

Laboratory and Research Facilities

High-quality, sterile water is a cornerstone for laboratories and research centers. The tank provides a controlled environment for water storage, which is critical for analytical testing, cell culture, and other sensitive experiments. Its reliable performance guarantees that scientific instruments receive water free from impurities, thereby contributing to accurate and reproducible results.

Chemical Processing and Cleanroom Environments

In chemical processing plants and cleanroom environments, the integrity of water used in reactions and cleaning procedures is vital. The sterile water tank prevents contamination during these processes and can be customized for slightly pressurized systems. Its robust design ensures efficient operation under varying conditions, making it suitable for diverse industrial applications.

Additional Industrial Applications

Beyond the primary sectors, the versatility of our sterile water tanks extends to other industrial uses, including:

  • Industrial rinsing and buffering processes
  • Supplementary storage in integrated water treatment systems
  • Support for process control in biotech fermentation and related industries

By leveraging these features, each application benefits from reduced maintenance, improved operational efficiency, and secure water quality over the long term.

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