Variable capacity tank FO1 / FO2

Simply breathtaking!

Speidel’s variable capacity tanks always adapt to the amount of liquid they contain. The floating lid ensures that no air comes in. This way oxidation stands no chance. Our popular variable capacity tanks have been established and proven in many ways. Like all Speidel tanks they are top-quality. They can be used as storage tanks or fermentation tanks.


Variable capacity tank FO1

Standard accessories

  • AISI 304 stainless steel, surface IIId (2R), marbled outside
  • Tank open on top with strengthening rim
  • Vaulted tank bottom
  • External litre scale
  • Standing on 3 legs

Width of rim

  • Up to 300 litres capacity = approx. 17 mm
  • From 530 litres capacity = approx. 42 mm

Racking Outlet FO1

  • Up to tank-ø of 550 mm internal thread 3/4" (BSP) with plastic blank bung
  • From tank-ø of of 630 mm external thread G 1" (BSP) with plastic blank bung

Bottom outlet FO1

  • Up to tank-ø of of 550 mm total outlet neck internal thread G 3/4" (BSP) with plastic blank bung
  • From tank-ø of 630 mm total outlet neck external thread G1" (BSP) with plastic blank bung

Racking outlet FO2

  • Plain surface with drilled hole ø 48 mm (to hold flap valve Gr. 37 or weld-on thread NW 40, NW 50 DIN 11851)
  • In case of ø 630 mm reinforcement moulded out of the tank’s casing
  • In case of ø 820 mm with welded-on reinforcing plate

Bottom outlet FO2

  • Total outlet neck with external thread NW 40 DIN 11851


220 to 910 litres


  • Storage
  • Maturation
  • Fermentation

Ideal for


Here you can download various pdf files with detailed information about product versions, dimensions and accessories:

Order or Enquiry

You can also order this product in our online shop. For questions or further advice please contact us by phone +49 (0)7473 9462-0 or via the inquiry form.

Order Enquiry Form

Variable capacity tank FO1 / FO2