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[PZP]
Stainless Steel
Variable Capacity Tank

Letina > EN > Stainless Steel Tanks > Multi-purpose Tanks > [PZP] Variable Capacity Tank
Stainless steel variable capacity tank from Letina.

Variable-capacity tanks have recently become a staple of the wine industry. They offer complete control over the fermentation process to small and growing wineries. Even though their yields depend on the annual harvest, they can use the same tank every year.

Thanks to the “floating” lid, you don’t have to fill the variable capacity tank to its brim. The inflatable gasket achieves an air-tight seal, preventing accidental oxygen contamination.

Moving the floating lid into place and securing the air seal is easy with the mounted lifting arm and stainless steel hand pump.

Durable, high-quality materials enable the variable capacity tank to stay in pristine condition, even after years of professional usage.

Thanks to the vertical construction of the cooling jacket, the stored liquids will be efficiently chilled even if the tank is not full to the brim.

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Front view of a professional, marbled 7300 L stainless steel Letina PZP variable capacity tank for wine.
Back view of a professional, marbled 7300 L stainless steel Letina PZP variable capacity tank for wine with a cooling jacket.
Square manway door and level indicator of a professional 7300 L stainless steel Letina PZP variable capacity tank for wine with a cooling jacket.
Side view of a professional 7300 L stainless steel Letina PZP variable capacity tank for wine with a cooling jacket.

AISI 304

The variable capacity tank is made out of AISI 304 quality stainless steel. An upgrade to AISI 316L stainless steel is available for high-corrosion environments.

Marbled Finish

A high-polish, marbled finish is applied to the outside of the tank. Matte and Scotch Brite finishes are also available upon request. The inside is BA (IIId) polished.

Conical Eccentric Bottom

The variable volume tank comes with a conical eccentric press-molded bottom by default. Large tanks come with a centered bottom to keep discharge easy.

Floating Lid

The variable capacity tank exists thanks to the "floating" lid that is placed just above the level of the liquid inside of the tank. An air-tight seal is achieved by inflating the gasket.

Variable Capacity

The floating lid can achieve an air-tight seal at any volume - making the variable capacity tank the perfect fit for small and growing wineries.

Lifting Arm

Maneuvering the floating lid is easy thanks to the built-in lifting arm. A hand-operated winch is available as an option to make it even easier.

Dimple Jacket

A dimple jacket is a thin, spotted shell that regulates tank temperatures with the help of a cooling/heating medium such as glycol. They are made of light-weight materials and spot-welded for minimal additional weight.

Stacking Technology

Make smart use of your limited cellar space by stacking tanks on top of each other. Stacking allows you to reorganize your production line and make it more efficient than ever.

Variable Capacity Tank
Equipment

Standard

  • Floating lid – with inflatable gasket and pump
  • Lifting arm
  • Manway Door – Oval (type CL)
  • Legs – Standard (Closed)
  • Temperature Control
    • Cooling Jacket (0.5 m2/1000 L)
    • Thermometer (analog)
    • Thermowell (with PG9 fitting)
  • Valves
    • Sample Tap (DN15)
    • Partial Discharge – Ball valve (DN32 DIN11851)
    • Total Discharge – Ball valve (DN32 DIN11851)
    • Vent Valve – DN50 (PVC)
  • Level Indicator – Ø16 mm acrylic tube (scaled, open)
  • Type Plate – With note card
  • Ladder rack – Coat height 1500 mm onwards
  • Welding – Brushed finish

Options

  • Hand winch
  • Mesh screen
  • Manway Door – Custom
  • Legs – Adjustable height and tilt
  • Temperature Control
    • Cooling/Heating Jacket (>0.5 m2/1000 L)
    • Cooling/Heating Plate (0.4 m2/1000 L)
    • Thermoregulator (digital)
  •  Valves
    • Ball or butterfly (Clamp, Garolla, WG, Macon, Gas, etc.)
    • Solenoid or electromotor valve
    • Stainless Steel Caps (on all valves and fittings)
  • Inclined stirrer fitting
  • Level Indicator – Ø24 mm acrylic tube (scaled, closed)
  • Decanter
  • Sprinkler
  • Welding – Brushed and polished (Ra<0.8 µm)
Blueprint of the professional variable capacity wine tank.

Variable Capacity Tank
Size Chart

TypeCapacity (L)Capacity (US gal)Diameter (mm)Total Height (mm)Shell Height (mm)Bottom
PZP320A63208563813001000B1
PZP400A640010663815501250B1
PZP420A742011173113001000B1
PZP480A648012763818001500B1
PZP500A850013279713001000B1
PZP530A753014073115501250B1
PZP630A763016673118001500B1
PZP630A863016679715501250B1
PZP750A875019879718001500B1
PZP900A1090023895615501250B1
PZP1100A10110029195621501500B1
PZP1200A111200317111615501250B1
PZP1400A10140037095626502000B1
PZP1500A111500396111622201500B1
PZP1900A131900502127523501500B1
PZP2000A112000528111627002000B1
PZP2300A142300608140223501500B1
PZP2500A132500661127528502000B1
PZP3100A143100819140228502000B1
PZP3200A133200845127533502500B1
PZP3900A1439001030140233502500B1
PZP4000A1640001057159329002000B1
PZP4900A1849001295175229502000B1
PZP5000A1650001321159334002500B1
PZP6000A1660001585159339003000B1
PZP6100A1861001612175234502500B1
PZP7300A1873001929175239503000B1
PZP7300A1973001929191136002500B2
PZP8600A2186002272207136002500B3
PZP8700A1987002299191141003000B2
PZP10200A21102002695207141003000B3
PZP11600A19116003065191151004000B2
PZP11900A22119003144223035003000B3
PZP13600A21136003593207151004000B3
PZP15000A25150003963250135003000B3
PZP15800A22158004174223045004000B3
PZP19700A22197005205223055005000B3
PZP19900A25199005258250145004000B3
PZP24800A25248006552250155005000B3

Can't find the ideal Variable Capacity Tank?

Talk to one of our engineers and describe your requirements. We will design a unique solution perfect for your processing needs.

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Ready to simplify your processing?

Let us help you. Describe your needs as best you can with the help of the form below.
Our friendly staff will contact you with helpful suggestions and describe the next steps.

  • 1) You order a tank.

    You receive our quote and decide whether you want to change it. If you're satisfied, we move onto the design and engineering phase.

  • 2) We design it.

    You give us inputs based on the drawings we send you. It is an iterative process and we only stop when you're 100% satisfied.

  • 3) You approve the plans.

    You sign the final version of the drawing and email it to us. We then schedule the tank for manufacture. You still have some time for making small changes.

  • 4) We manufacture it.

    Your final tank design enters the production line. It is assembled from high-grade stainless steel using advanced welding techniques.

  • 5) You take delivery.

    Your tank is shipped out to you, including a manual and proper maintenance guide. We'll always be there for you to provide assistance.

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