Shijiazhuang Zhongzheng Technology Co., Ltd.
| Delivery Time | 2 months |
| Design Pressure | 0.1-10 Mpa |
| Material | Stainless Steel, Carbon Steel |
| Supply Ability | 200 sets / days |
| Applications | Chemical, Food Processing, Beverage Processing, Brewing, Metallurgy, Oil Refining, Pharmaceuticals |
| Payment Terms | L/C,T/T |
| Size | Customized |
| Certification | ASME,ISO 9001,CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001 |
| Place of Origin | China |
| Brand Name | Center Enamel |
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Product Specification
| Delivery Time | 2 months | Design Pressure | 0.1-10 Mpa |
| Material | Stainless Steel, Carbon Steel | Supply Ability | 200 sets / days |
| Applications | Chemical, Food Processing, Beverage Processing, Brewing, Metallurgy, Oil Refining, Pharmaceuticals | Payment Terms | L/C,T/T |
| Size | Customized | Certification | ASME,ISO 9001,CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001 |
| Place of Origin | China | Brand Name | Center Enamel |
| High Light | food-grade stainless steel storage tanks ，hygienic stainless steel tanks ，durable stainless steel storage tanks | ||
Answering the core question: What criteria must food processors and beverage manufacturers evaluate when selecting food-grade stainless steel storage tanks for safe, hygienic, and long-term operations? Food-grade stainless steel storage tanks are specialized, non-reactive containers engineered to hold liquid ingredients, syrups, dairy, beer, wine, and sauces under pristine sanitary conditions. Selecting the optimal tank requires evaluating alloy composition (such as AISI 304 or 316L), internal surface roughness parameters, thermal insulation, and seamless integration with Clean-in-Place (CIP) sanitation systems to prevent contamination and ensure regulatory compliance.
The chemical environment inside a food processing facility dictates the required stainless steel alloy:
AISI 304 Stainless Steel: The versatile, cost-effective industry standard for general food and beverage applications. It offers excellent corrosion resistance against water, mild organic acids, and dairy products, making it ideal for standard holding and storage tanks.
AISI 316L Stainless Steel: Contains an addition of molybdenum, providing superior resistance against pitting corrosion caused by high-salinity solutions, aggressive cleaning chemicals, citrus juices, and high-temperature brines.
The internal finish of a storage tank directly impacts its ability to resist bacterial adhesion and biofilm formation:
Mechanical Polishing and Electropolishing: Raw stainless steel sheets are mechanically ground and electropolished to reduce surface roughness. For food-grade storage, an internal finish with a roughness value of Ra <= 0.4 um is strongly recommended.
Eliminating Crevices: Smooth, polished surfaces eliminate microscopic pits and rough grain boundaries where organic soils, yeast, or bacteria could hide from sanitizing rinses.
Modern industrial storage tanks incorporate specialized design elements to optimize fluid handling and hygiene:
Clean-in-Place (CIP) Spray Balls: Permanently mounted rotary spray nozzles ensure 100% internal surface coverage during automated caustic and acid wash cycles without requiring manual entry.
Insulation and Thermal Jackets: Dual-wall construction featuring polyurethane foam insulation and optional glycol or steam jackets maintains precise liquid temperatures during storage and transit.
Sloped Bottoms and Drain Ports: Conical or dished bottoms paired with flush-mount bottom outlet valves ensure complete drainage and prevent product pooling.
| Evaluation Parameter | AISI 304 Stainless Steel | AISI 316L Stainless Steel |
|---|---|---|
| Corrosion Resistance | Excellent for general water, milk, and mild acids | Superior resistance to chlorides, brines, and high acid levels |
| Standard Surface Finish | Electropolished (Ra <= 0.4 um) | Mirror electropolished (Ra <= 0.2 to 0.4 um) |
| Typical Applications | Potable water, brewing, dairy, edible oils | Juice concentrates, brines, pharmaceutical, high-salt foods |
| Cleaning Compatibility | Fully compatible with standard caustic/acid CIP cycles | High resistance to aggressive sanitizers and harsh chemicals |
| Durability & Lifespan | Decades of heavy industrial use | Extended lifespan in highly corrosive food environments |
Company Details
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
100,000,000-200,000,000
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is a leading high-tech enterprise specializing in the research, development, manufacturing, and sales of a diverse range of equipment. Our core business revolves around providing top-tier solutions, including Glass-Fused-to-Steel (GFS) tank... Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is a leading high-tech enterprise specializing in the research, development, manufacturing, and sales of a diverse range of equipment. Our core business revolves around providing top-tier solutions, including Glass-Fused-to-Steel (GFS) tank...
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