NDLTEK Charmat–Autoclave tanks are engineered for efficient secondary fermentation under pressure, ideal for sparkling wine and other carbonated beverages.
Built with a SUS 304 stainless steel body and SUS 316 stainless steel lid, they feature precision TIG welding, polished interiors, and a 6-bar design compliant with PED & ASME standards. Available in single- or dual-wall configurations with optional insulation, cooling jackets, and custom fittings to suit your production needs.
A Charmat tank is a sealed stainless‑steel pressure vessel used for the secondary fermentation of sparkling wine—also known as the “tank method” or Metodo Charmat. Sugar and yeast are added to the base wine inside the tank, where CO₂ is produced under pressure to carbonate the wine .
These tanks typically operate at pressures up to 6 bar (≈88 psi), and are often designed with PU foam insulation and dimpled cooling jackets to maintain ideal fermentation temperatures
The tank method enables faster production, cost efficiency, and the preservation of fresh, fruity, aromatic profiles—ideal for beverages like Prosecco—without the aging complexity of traditional methods
Yes. Our Charmat tanks are constructed with food‑grade stainless steel (usually AISI 304, with options for 316L), comply with CE PED / ASME pressure equipment standards, and include full material traceability .
Standard tanks include features like CIP (Clean‑In‑Place) systems, spray‑balls, and smooth interior surfaces (e.g. BA or Ra-polished) to ensure easy sanitation and routine maintenance.
Yes, customization is available. You can request specific capacities, insulation types, finishes (marbled, matte, brushed), and additional fittings such as manways, pressure gauges, sample taps, valves, and cooling jackets to match your production requirements .
Yes. NDLTEK provides a complete logistics solution to ensure your equipment arrives safely and on time — anywhere in the world.
We handle:
*Export documentation
*Ocean freight
*Customs clearance
*Inland transportation
*LTL (less-than-truckload) delivery if needed
Just provide your destination address, and we’ll take care of the rest.
Yes. NDLTEK welcomes you to visit our factory and inspect your equipment during production.
Our facility is equipped with 5G WiFi and live webcam access, allowing you to monitor the fabrication process remotely in real time.
You’re also welcome to travel to China for an on-site tour — we’ll gladly assist with your travel plans.
If preferred, you may hire a third-party inspection company to evaluate your equipment before shipment.
For some equipment types (e.g. cold-brew systems), limited functional testing may be arranged upon request.
