• 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

Live Stock Unavailable

In stock

Back Order

£7.00 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 (type BO & FO) with a tank diameter of up to 820mm
  • 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 airlock and bung shown in the additional photos are not included - 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.


To use with Cylinder airlock (product code 28201), available separately, choose 44 to 37mm taper Ø x 38mm bored Compound Bung (product code 35506), 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

This site uses cookies. By continuing your visit, you accept their use as set out in our Cookie Policy. OK

New Website - Login Information

Welcome to our new website! It looks the same as our old one but connects to our new accounts system.

If you had a login to our previous website, you will need to use the new password which we emailed to you on 3rd August 2022. If you haven't received this email, please check your Junk folder, or call us on 01404 892 100.

Thank you for visiting.

(0.607 secs)