• Airlock adaptor
  • 35201 2
  • Shown in situ with airlock & bung in lid of plastic drum - Copy
  • Shown in situ with airlock & bung in lid of variable capacity tank - Copy

Airlock adaptor

35201Airlock adaptor

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£8.00 ex. VAT

  • Enables an airlock and bung to be fitted to the hole of a flat-topped tank (e.g., plastic ex-juice drums and variable capacity tanks)
  • Suitable for use with Speidel Variable Capacity Tanks Stainless Steel Tanks (type BO & FO) with a tank diameter of up to 820mm (please see these tanks listed in the Tanks category)
  • Keeps the stem of the airlock above the level of the liquid while allowing the vessel to be filled to the underside of the lid to exclude air
  • Supplied with black o-ring
  • Easy to fit: push male fitting up through the hole in the tank lid/top so the seal is up against the underside of the lid/top; screw female fitting onto male fitting
  • Tank hole needs to be 44mm diameter

NB The additional images show this product in use with an airlock and bung - the airlock and bung are not included but available separately - see Application.

NB A different version of this airlock adaptor is available which includes a cap, so you can also use it without a bung and airlock - see Bulkhead Airlock Adapator (orange), product code 95202.


Please see Airlocks & Bungs in Catalogue for our full range or airlocks & bungs.

Please see the Tanks category in Catalogue for our full range of fermenters/tanks.


To use with Cylinder airlock (product code 28201), available separately, choose 44 to 37mm taper Ø x 38mm bored Compound Bung (product code 35506 - as listed on Compound Bungs, Bored), available separately.


Male fitting:

  • Bottom rim outside Ø: 51mm
  • Collar outside Ø (widest point): 42mm

Female fitting:

  • Inside Ø (at top): 36mm
  • With thread on outside for cap (not included, supplied separately)

When screwed together (without cap):

  • Height: 57mm


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