Shijiazhuang Zhongzheng Technology Co., Ltd.
| 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 |
| Delivery Time | 2 months |
| Design Pressure | 0.1-10 Mpa |
| 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
| 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 |
| Delivery Time | 2 months | Design Pressure | 0.1-10 Mpa |
| 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 | sanitary pressure vessels food industry ，welded steel tanks beverage processing ，pressure vessels sanitary design standards | ||
The food and beverage sector relies extensively on specialized pressure vessels to ensure that consumable products are manufactured, processed, stored, and transported under strict hygiene, precise temperature, and controlled pressure parameters. Unlike heavy industrial containment systems used in oil refining, pressure vessels in food and beverage processing must balance high-pressure or vacuum operational capacities with absolute biological safety, corrosion resistance, and cleanability.
Pressure vessels are integrated into numerous steps across commercial food and beverage production lines:
Carbonation and Gas Dissolution: Used extensively in soft drinks and sparkling water manufacturing to dissolve carbon dioxide gas into liquids under controlled pressure conditions.
Pasteurization and Sterilization: Thermal units that apply precise heat and pressure profiles to eliminate pathogenic microorganisms while safeguarding product flavor and texture.
Brewing and Fermentation Cells: Conical tanks and pressure-rated bright beer vessels that manage gas release, pressure build-up, and carbonation during alcoholic beverage maturation.
Cooking and Evaporation Kettles: Jacketed pressure vessels designed for rapid thermal processing, concentration, and mixing of sauces, syrups, and confections.
Because pressure-retaining components come into direct contact with consumable ingredients, their metallurgical and surface configurations are subject to rigorous standards:
High-Purity Stainless Steel: Equipment is predominantly fabricated from austenitic stainless steel grades (such as AISI 304L and 316L) to prevent chemical leaching, resist organic fruit and food acids, and withstand aggressive cleaning routines.
Ultra-Smooth Surface Finishes: Mechanical polishing and electropolishing reduce surface roughness averages (often achieving Ra $\le 0.4\ \mu\text{m}$ to $0.8\ \mu\text{m}$), eliminating micro-crevices where bacterial biofilms or food particles could accumulate.
Hygienic Connections and Zero Dead Legs: Tri-clamp fittings, flush-mounted valves, and optimized internal geometry ensure complete fluid drainage and prevent stagnation zones.
Sanitization protocols are non-negotiable in food and beverage engineering:
Automated CIP Skids: Integrated rotary spray heads and specialized nozzles provide complete internal coverage of vessel walls, agitators, and piping networks without manual disassembly.
Thermal and Chemical Resilience: Materials and elastomer seals (such as FDA-approved grades) are engineered to withstand caustic washing agents, hot water rinses, and steam sterilization cycles without degrading.
Safety and regulatory adherence dictate every phase of design and fabrication:
ASME Section VIII & BPVC: Ensures structural integrity under internal or external pressure loads.
3-A Sanitary Standards & FDA Compliance: Dictates hygienic design principles, material safety, and construction criteria specifically for food contact surfaces.
Traceability and Documentation: Comprehensive manufacturing data dossiers—including Mill Test Reports (MTRs), weld maps, surface finish verification, and hydrostatic test documentation—guarantee full regulatory validation.
| Application Category | Primary Processing Function | Key Engineering & Sanitary Feature | Governing Standard / Code |
| Carbonation Vessels | Dissolving CO2 into beverages under pressure | Pressure control, gas injection manifolds, 316L stainless steel | ASME Section VIII, FDA |
| Pasteurizers & Sterilizers | Thermal destruction of microbes via heat/pressure | Dimple heating/cooling jackets, sanitary piping tie-ins | 3-A Sanitary Standards, ASME |
| Brewing & Fermentation | Managing gas release, maturation, and carbonation | Conical geometries, low-shear agitation, aseptic venting | ASME BPVC, EHEDG |
| CIP Solution Tanks | Storing and distributing cleaning agents | Chemical-resistant alloy selection, automated spray balls | FDA, NSF/ANSI guidelines |
Q: Why are pressure vessels required in the food and beverage industry?
A: Pressure vessels are essential for processes that require controlled pressure, vacuum, or thermal management—such as carbonating soft drinks, pasteurizing dairy products, fermenting beverages, and cooking or concentrating food formulas.
Q: What materials are used to construct food-grade pressure vessels?
A: Food-grade pressure vessels are primarily constructed from high-purity austenitic stainless steels (such as AISI 304L and 316L) because they offer excellent corrosion resistance against food acids and prevent metallic contamination.
Q: How do food-grade pressure vessels prevent bacterial contamination?
A: They feature ultra-smooth electropolished surface finishes, minimal internal crevices, zero dead legs for complete drainage, sanitary tri-clamp fittings, and full compatibility with automated Clean-in-Place (CIP) systems.
Q: What standards and codes govern food and beverage pressure vessels?
A: They are designed and manufactured under strict international frameworks, including the ASME Boiler and Pressure Vessel Code (Section VIII), 3-A Sanitary Standards, FDA regulations, and European PED guidelines where applicable.
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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