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Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 1
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 2
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 3
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 4
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 5
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 6
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 7
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 1
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 2
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 3
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 4
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 5
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 6
Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid 7

Durable Top Floating Lid Wine Fermentation Tank Wine Floating Fermenter With Floating lid

Floating Lid / Variable Capacity Wine Tanks

With Floating Lid on the Topautomatic Type or Manual Type Top

Oval or Rectangular Manhole on the Side

With Boat Winch, Lid Seal

With Rope Wrapping Device, Rotating Arm Device, Gasbag Etc.

With Cooling Jacket on the Body

Racking Valve for Wine Outlet

Sample Valve

With Sanitary Connections

Cleaning Pipes

Liquodmeter

Breath Valve on the Top

Drain Valve on the Bottom

5.0
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    Application Scenarios

    Post-Fermentation Beer Holding:​ Store chilled, crashed beer prior to filtration/packaging without transferring to a fully pressurized bright tank


    Winery & Cidery Use:​ Variable-capacity topping wine or cider; floating lid descends with evaporation/racking, keeping minimal air contact


    Juice & Cold-Pressed Extract Storage:​ Food-grade SS304/SS316 contact, suitable for chilled fruit juice before blending or bottling


    RO / Process Water Buffer:​ Large-volume intermediate water storage in beverage plants


    Seasonal Overcapacity Solution:​ When bright tanks are full, float-top tanks absorb excess green beer or filtered product temporarily


    Ideal for breweries wanting extra storage flexibility​ without committing to multiple fixed-volume pressure tanks.

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     Product Parameters

    Item Specification
    Effective Capacity​ 2000L / 3000L / 5000L / 6000L / 8000L (custom on request)
    Type​ Open-top with floating pneumatic/vacuum lid (silicone seal ring)​
    Material​ SS304 (standard) / SS316L (wetted parts optional), mirror polish interior Ra ≤ 0.6 μm
    Insulation​ Optional — PU 80mm for cold storage (glycol jacket NOT required; tank is unpressurized)
    Floating Lid​ Food-grade silicone O-ring, balanced weight or pneumatic assist; follows liquid level
    Manway​ Large side or top rim access for cleaning / inspection
    Outlet / Drain​ Bottom TC outlet with sampling valve port
    CIP​ Fixed spray ball (top rim mount) compatible
    Legs​ Adjustable SS304 tripod, floor anchor holes
    Certification​ CE / PED available; material certs (MTR) provided
    Pressure Rating​ Atmospheric (not pressure-rated — for storage only, not carbonation)

    Note: These tanks are non-pressure vessels. They are not substitutes for carbonating bright tanks.

    Key Features

    Zero Fixed Ullage
    Floating lid moves with product level → no large air pocket → drastically reduces oxidation risk
    Volume Flexibility
    Store 60% or 100% of nominal capacity without wasted headspace or needing multiple tank sizes
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    Easy Access & Cleaning
    Wide open top allows manual inspection / fruit cap removal (cider/wine) and simplified CIP
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    Cost-Effective Expansion
    Lower CAPEX than same-size pressurized bright tanks; perfect for buffer / holding duty
    Optional Chill Jacket
    Although typically unjacketed, we offer external glycol wrap or dimple jacket​ for cold-storage applications
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    Sanitary Seal System
    Food-grade silicone floating seal maintains hygienic barrier without mechanical complexity

    product Advantage

    3000L
    01
    Oxidation Control Without Pressurization
    Floating lid keeps O₂ out better than loosely covered open tops
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    Operational Flexibility
    One tank covers varying batch sizes (e.g. 3500L in a 5000L tank
    3000L
    03
    Reduced Cleaning Chemical Use
    Smaller wetted surface when partially filled; CIP still covers full interior
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    04
    Solves Bottleneck Periods
    Absorb peak-season volume when bright tanks are occupied
    3 (13)
    05
    Simple Maintenance
    No pressure valves, no PRV testing; mainly inspect silicone seal annually
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    Regulatory Ready
    Full weld map & MTRs support FDA/EU food-contact compliance

    Product details

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    frequently asked questions

    1
    Q: How is a floating-roof tank different from a bright beer tank?​
    A: A bright tank is a pressurized, sealed vessel​ used for carbonation, serving, and bright beer. A floating-roof tank is an atmospheric, open-top vessel with a descending lid​ — designed for storage and holding, not carbonation. It costs less and offers flexible volume but cannot hold pressure.
    2
    Q: Can I store carbonated beer in a floating-lid tank?​
    A: No. Once CO₂ is applied, the seal must hold pressure — these tanks are atmospheric. They are best used post-fermentation, pre-carbonation, or for still products (wine, juice, flat beer before force-carb).
    3
    Q: Does the floating lid really prevent oxidation?​
    A: Yes. The silicone-seal floating lid follows the liquid level, maintaining near-zero headspace. Unlike a loosely covered open top, there's no large air pocket for O₂ to accumulate, significantly reducing oxidation risk during holding/maturation.
    4
    Q: Can this tank be cooled or insulated?​
    A: Standard versions are unjacketed and uninsulated. On request we can add external glycol wrap or dimple jacket + 80mm PU insulation​ for cold storage applications (e.g. crashed beer waiting for filtration).
    5
    Q: What sizes are practical for a small brewery?​
    A: Most craft breweries add one 5000L or 8000L float-top tank​ to handle overflow from 10–20 BBL brewhouse cycles, or use 2000–3000L units for specialty holding (fruit beer, sour blend, etc.).
    6
    Q: Is cleaning difficult with an open top?​
    A: No — in fact it's easier. The wide opening allows visual inspection, and a top-mounted spray ball provides full CIP coverage. The floating lid is removed or lifted during cleaning.
    Contact Us
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    Jinan Supermax Machinery Co., Ltd is a professional manufacturer of beer brewing equipment.
    Contact Us
    Phone: +86 8571-8800
    Address: Room B013, 309 East Area, F3, Building 9, Jinan Dia Shuangchuang Industrial Park, 2566 Century Avenue, Jinan High-tech Zone, Shandong, China. 
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