alway full floating lid tank

1. Product Overview

The always full tank, also known as floating lid wine tank or variable capacity tank, is professional winery equipment specially designed for wine aging, storage, buffer storage and low-volume batch fermentation.

Different from ordinary fixed-head tanks, it adopts an automatic floating lid structure that always fits the liquid level tightly. It completely eliminates top air space, blocks oxygen contact effectively, avoids wine oxidation, flavor deterioration and color darkening during long-term storage.

Widely suitable for red wine, white wine, fruit wine, cider, vinegar and other fermented beverages. It is the essential equipment for premium wine stable aging.

2. Main Features (Full Version)

• 100% Anti-oxidation Floating Lid System

The floating lid rises and falls automatically following liquid volume. No headspace remains inside the tank at any filling level, greatly reducing oxidation risk and preserving original wine aroma, taste and color.

• Smooth & Stable Floating Movement

The floating cover moves vertically evenly without shaking or splashing, protecting delicate wine body and avoiding protein turbidity.

• Inflatable Full Sealing Design

Equipped with food-grade inflatable sealing ring, full-wall close contact, excellent airtight performance, zero air leakage.

• Full Hygienic Structure

No sanitary dead corners, seamless welding, mirror polished inner surface, easy CIP automatic cleaning, no residue and no cross contamination.

• Optional Dimple Cooling Jacket & Insulation Layer

Support laser welded dimple jacket for fast and uniform temperature control. External PU insulation keeps stable temperature for long-term aging, reducing ambient temperature interference.

• Fully Customizable Configuration

Customizable volume from 100L to 30000L, flat bottom / conical bottom, manhole, sampling valve, pressure gauge, level meter, exhaust valve and CIP cleaning ports.

• Multi-scenario Application

Available for fermentation, aging, storage, blending and temporary buffering for wine, cider and fruit wine production lines.

3. Product Quality & Manufacturing Standard

• Material Standard

Inner tank: SUS304 / SUS316L food-grade stainless steel, acid and corrosion resistant, no chemical reaction with wine liquid.

Outer cladding: SUS304 stainless steel matte finish, durable and anti-rust.

• Welding & Polishing Craft

Adopt full TIG argon arc welding, seamless weld treatment.

Inner surface fine polishing Ra ≤ 0.8μm, passivation treatment to ensure food hygiene standard.

• Pressure & Air Tightness Test

Every tank passes strict water pressure test and air tightness test before delivery, no leakage, no deformation.

• Industrial Compliance

Comply with food machinery sanitation standards, European winery equipment manufacturing specifications, suitable for commercial grade long-term continuous production.

4. Technical Advantages vs Ordinary Tanks

• Ordinary tanks cause serious oxidation when liquid volume decreases

• Always full floating lid tank keeps zero headspace all the time

• Maintain stable flavor for months or years of aging

• Reduce wine loss and improve final product grade

• Lower cleaning cost and maintenance frequency

5. Application Scope

• Red wine / White wine aging and storage

• Craft cider, fruit wine, berry wine storage

• Vinegar fermentation and aging

• Winery buffer and blending tanks

• Small batch high-end customized wine production

6. After-Sales Service Guarantee

• 12–24 months full warranty for the whole equipment

• Free replacement for damaged non-artificial accessories during warranty period

• Professional technical support for installation, commissioning and operation guidance

• Provide official operation manual, installation drawing and video guidance

• lifelong paid maintenance and spare parts supply

• Customized design, OEM & ODM service available

• Overseas project technical consultation and solution support

7. Company & Quality Promise

We focus on food and beverage stainless steel tank equipment for many years. All floating lid always full tanks are produced with standardized process, strict quality inspection and stable workmanship.

We provide consistent quality, competitive factory direct price and complete after-sales system for global wineries, beverage factories and fermentation enterprises.