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When access to the rear of a panel is restricted or the top surface of a tank is in poor condition the fixing ring will be beneficial. Fixing rings can be specified for all Aero filler caps, as an optional extra.

Fixed Ring 1Fixed Ring 2


The 'C' type with a stainless steel thread inserts usually for panel fit, but can be used in a tank with sealant on the screw threads. The 'C' design allows the fix ring to be passed through the filler cap hole in the tank or panel.

S Types

The 'S' type solid design has blind threads and is intended to weld flush to a tank surface giving a perfect fitting platform. It can also be placed inside the tank so as to sandwich the tank material between the flange and the fixing ring.

We also offer a plastic lightweight fixing ring with the Aero 300.

Founded in 1978 we design & manufacture a range of world class
tank filler caps. Our products are exported worldwide and we continue to develop a reputation for outstanding quality and craftmanship.
We are a quality assured company holding the latest ISO 9001
Aero Range
Classic Range
Zero Range
Quick Fill
Tank Vent Valves
Filler Cap Retention
Connecting Hoses
O Ring Seals
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