4000L Fermentation Tank
Precision Fermentation for High-Capacity Brewing
The 4000L Fermentation Tank from Tonsen is built for breweries looking to scale beyond micro and craft levels into full commercial production. With advanced engineering, durable construction, and process automation compatibility, this tank is ideal for breweries targeting consistent, high-volume output without sacrificing quality.
Built from food-grade SUS304/SUS316L stainless steel, this conical fermenter is equipped with fully jacketed cooling zones, reinforced pressure handling, and a hygienic internal finish to meet the demands of industrial fermentation.
4000L Fermentation Tank – Industrial-Scale Stainless Steel Fermenter for Commercial Breweries
Technical Specifications
Effective Volume: 4000L / 40HL
Material: SUS304 / SUS316L stainless steel
Design: 60° conical bottom for efficient sediment separation
Pressure Rating: 2 bar working pressure / 3 bar test pressure
Cooling Jacket Zones: Dual glycol jackets (cylinder and cone)
Insulation: 100mm high-density polyurethane foam
Surface Finish: Ra < 0.6μm, mirror-polished interior with sanitary welds
Manway: Top or side shadowless manhole for easy internal access
Core Features of the 4000L Stainless Steel Fermenter
1. Built for Heavy-Duty Brewing
Optimized for batch sizes of 30–40 bbls
Fully compatible with automated control systems
Structural reinforcements for long-term heavy use
2. Complete Temperature and Pressure Control
Multi-zone glycol jackets ensure even chilling and fermentation stability
Equipped with PRV, sample valve, RTD sensor ports, and spunding valve
Optional carbonation stone for inline or in-tank CO₂ infusion
3. Hygienic and Clean-In-Place Ready
CIP arm with 360° spray ball ensures full interior coverage
Passivated interior and exterior welds
Pressure-rated for safe high-gravity and mixed fermentation
Brewing Applications
Commercial-scale fermentation of ales, lagers, stouts, and high-gravity beers
Pressure fermentation for faster turnaround and hop aroma retention
Cold conditioning, brightening, and carbonation
Ideal for regional distribution breweries and contract brewing operations
Why Tonsen?
With over 15 years serving breweries worldwide, Tonsen offers fermentation tanks that are custom-engineered to fit your production needs.
Delivered to over 50 countries with global logistics support
CE / PED / ASME certified fermentation vessels
Fully customizable – choose fittings, accessories, and control integration
Factory-tested and ready for plug-and-play installation
Responsive OEM and white-label manufacturing support
FAQ – 4000L Fermentation Tank
Q: Can this fermenter support double batching?
A: Yes. It can handle back-to-back brews and high-capacity fermentation from 2 x 2000L batches.
Q: Is it suitable for both ales and lagers?
A: Absolutely. The temperature control and pressure rating support a wide range of beer styles.
Q: Does it come with a sample valve and carbonation port?
A: Yes, both are standard, with optional carbonation stone and level sight glass.
Q: How do you ship the 4000L fermenter?
A: We crate and containerize each unit for safe international sea or air freight delivery.
