Open Top Fermentation Tanks
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Open Top Fermentation Tanks

The open top fermentation tank is designed for the fermentation of red wine, offering unrestricted access to the grape cap while facilitating convenient cap submersion. Its spacious, inclined bottom ensures a seamless and effortless removal of skins and seeds post-fermentation.
  • OTF-Btm

  • 500L - 10,000L, other volume can be customized

Availability:

| Product Description 

Open top fermentation tank is a crucial element in the brewing process, playing a key role in facilitating the smooth progression of fermentation. 


The opening design allows microorganisms and yeast to move in and out freely during the fermentation process, providing a natural environment for fermentation and enabling the yeast to interact more effectively with the fermented material, thereby producing a unique flavor and aroma.


| Basic Configuration

open top fermentation tank structure


  • Reinforced channel on the top 

  • Large off-cone bottom 

  • Legs with foot pads and levelling tubes 

  • Thermo-regulation

      √ Horizontal or vertical dimple jacket, 40% of area

      √ Thermowell x1

  • Valves

    √ Racking outlet with ball valve

    √ Drain outlet with butterfly valve

    √ Sampler port 1' with valve

  • Square/ round mandoor at bottom DN450 

  • Ladder rack


| Product Parameter

Type Rated Volume Total Volume Inner dia. Total H Shell H1 Legs H2 Cooling area
L L mm mm mm mm H
OTF-L 0.5 500 800 1000 2370 900 1000 700
OTF-L 1.5 1500 2100 1400 2830 1200 1000 700
OTF-L 2.0 2000 2700 1500 3200 1219 1000 700
OTF-L 2.5 2500 3430 1600 3400 1500 1000 700
OTF-L 3.0 3000 3900 1700 3400 1500 1000 700
OTF-L 5.0 5000 6600 2100 3800 1720 1100 1000
OTF-L 7.0 7000 8730 2100 4300 2250 1100 1000
OTF-L10 10000 12800 2200 5200 3000 1100 1000
OTF-L 10 10000 12800 2550 4400 2250 1100 1000
OTF-L 10 10000 13000 2700 4150 2000 1100 1000
OTF-L 15 15000 20000 2800 5000 2800 1100 1500
OTF-L 20 20000 26500 2800 5950 3750 1100 1500

We provide turnkey engineering services,contact us with admin@prettech.cn



| Product Features

Quality Raw Materical


Our open top fermentation tanks are crafted from premium stainless steel, specifically utilizing AISI 304 and 316L grades.


304

Customizable High Legs


The height of the legs can be tailored to accommodate various sizes of bins or presses placed beneath the tank discharge.


No Fillet Weld


Smooth arc transitions between head and tube, as well as pipe and tube, use butt welds.Internally, the welds are polished, eliminating sanitary dead angles.

details

Dimple Plate/Cooling Jacket


Dimple plate/cooling jacket to manage temperature with high(400kpa) pressure.

cooling jacket

Big and Off-cone Slope


Big and off-cone slope provides an easy discharge of liquid and pomace.


Big and off-cone slope

 Large Rectangular Manhole


The large rectangular manhole makes the emptying and cleaning of tank interior easy.

large rectangular manhole


| Csutomers Cases

open tops



| About Company

Pretank is established in 1971, it's the largest-scale and longest-history stainless steel vessels manufacturer in China,with 4000 staff, 666,000 m㎡ floor space and US$240 million annual sales. We have the most advanced technology, R&D capability in the industry,adopt solidworks and AutoCAD to design vessels, Engaged in formulation of National Standard in designing, producing, inspection and transportation.About us

53-Year History in Tank Fabrication

Prettech stainless steel tanks already used in 40 classifications,gather rich experiences and precipitate skills in varied industries,win 100,000 client’s trust

Guarantee Quality

- Ensure no leaks no rust, easy cleaning.
- All tanks are over engineered and heavy-duty made, lengthen tank service life.
- Stainless steel tanks produced by automatic and laser machines, reduce labor fault.
- Each tank is strictly tested and inspected before delivery.
- We pass through ISO certificates CE, PED, API650, AS1210, AS1692, CSA, supply 2-year warranty.

Competitive Price

Scale production and automatic machines reduce cost, Pretank always perseus the most reasonable price policy to share the profits with our consumers and distributors. With same quality our price are more strong competitive.

Customize Service Free of Charge
Our bespoke tanks are tailor-made for each project, considering material, strength calculations, dimensions, fittings, and ports.We listen carefully to your needs and provide humane designs.

Lifetime Engineering Service

At pretank family, you will get lifetime engineering service! Installation service on your site, making all the AutoCAD drawings for you, completely free parts replacement in the warranty date, low cost parts supplied out of the warranty, technology support door to door, lifetime consult support.


| Processing Machinery

Pretank use advanced processing machines to fabricate our stainless steel tanks,including auto Robot welding machine,laser cutting/welding machine,CNC lathe,plasma cutting and automatic welding machines.

The machines replace labor working and minimize the human fault& tanks defects,improve tank quality, shorten construction period.

Processing Machinery


| Certificate

Over 100 patents including utility,invrention and industrial design.

Pass through ISO certificates of  ISO9001/22000/ 45001, and other export certificates of  CE, PED, API650, AS1210, AS1692, CSA.

Certificate



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Provide stainless steel tanks solutions for liquid processing of STORAGE,FERMENTING, HEATING,CHILLING, BLENDING, DISTILLING, MASHING AND BOILING.

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Tel: +86-519-85255001 
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Add: A-floor, 16,R&D HUB 2,Science and education Town, No.801,Changwu Middle Road,Wujin District, Changzhou, Jiangsu. P.C. 213000
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