NFE specializes in the design and manufacturing of high-performance stainless steel tanks, and our Wine Fermentation Tanks represent the pinnacle of this expertise. Engineered to provide winemakers with unparalleled control, hygiene, and versatility, these tanks are the foundation for producing superior quality wines from crush to fermentation.
1. Key Features & Technical Specifications A. Superior Material & Construction
Food-Grade Stainless Steel: Constructed from 304 or 316L stainless steel, offering excellent corrosion resistance against the acidic wine must. Surface Finish: Available in a range of interior finishes, including:
Mechanical Polished (2B): A standard, smooth finish for easy cleaning. Mirror Polished (Ra < 0.4µm): An ultra-smooth, non-porous surface that minimizes bacteria adhesion and simplifies sanitation, ideal for premium wines. Structural Integrity: Tanks are designed with reinforced jackets and support structures to handle the full weight of the must and the pressures of fermentation. B. Advanced Temperature Control System This is the most critical system for quality fermentation. NFE tanks feature a fully integrated Glycol Jacket.
Jacket Configuration: Options include:
Full Jacket: Covering the entire tank for maximum heat exchange. Partial/Zone Jacket: Covering the bottom cone and one or more zones on the tank wall, providing efficient cooling for most applications. Precise Regulation: The jacket is connected to a glycol chiller, allowing the winemaker to set and maintain a specific temperature profile. This control is essential for managing fermentation speed, preserving delicate aromatics, and preventing the production of off-flavors.
C. Specialized Fermentation Components
Variable Capacity Tank (VCT) Design: The tank includes an Airtight Manhole on top, often fitted with a Tank Neck Extender. This allows for the installation of a floating cap or provides headspace for punch-down tools, making the tank suitable for both white and red wine production. Integrated Cooling Coils (Optional): For tanks without full jackets, internal cooling coils can be installed for efficient temperature management. Sample Valve: A sanitary valve for taking small samples to monitor fermentation progress (Brix, pH, temperature) without risking contamination. D. Sanitary Fittings & Accessories Spray Ball (CIP): An internal rotating spray ball is standard, allowing for Clean-In-Place (CIP) operations. This ensures thorough and efficient cleaning with minimal manual labor. Sanitary Connections: All ports and valves (for racking, sampling, and glycol) use tri-clamp fittings to maintain a hygienic, leak-proof, and easily disassembled system. Pressure Relief Valve (PRV): While primarily for fermentation, tanks can be equipped with a PRV to handle slight over-pressure from CO² production, enhancing safety. 2. Available Configurations Open-Top Fermenters: Designed for red wine production, allowing easy access for punch-downs or pump-overs. Closed-Top Fermenters: The standard for white wines, protecting the must from oxidation and contamination. Conical Bottom vs. Dish Bottom: Conical Bottom: Highly recommended. Facilitates easy lees settling and efficient juice/wine racking off the sediment. Allows for complete tank drainage. Dish Bottom: A traditional design, often used for smaller batches or specific processes.
FAQ
Q1: What's the lead time for orders? A1: Tanks ship in 30 days; Complete brewing system requires 40–60 days. Q2: Do you provide after-sales service overseas? A2: Yes. Q3: Can I request a customized size? A3: Absolutely! Q4: What documents do you provide for export? A4: Commercial invoice, packing list, bill of lading, etc. Q5: How do I place an order? A5: Contact us via email/phone for a quote, then confirm with a po.
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