FL-3 Tank Fitting Flange - Wema
Indispensable component for marine and industrial tank installations
Thread size
1 ¼″ BSP
Hole pattern
Standard 5-hole pattern
Gasket material
Nitrile rubber
Screw hole diameter
5 mm
Key Features
Engineered for secure sender installation
Provides a robust mounting solution for sender units on fuel, water or holding tanks.
- Creates a standard 1 ¼″ BSP female thread on the tank top for sensor insertion
- Standard 5-hole mounting and larger screw holes enhance stability when screwing into thicker or composite tank tops
- Comes with a nitrile gasket and 5 mm screw holes for reliable sealing and mounting stability

Ideal applications
Perfect for retrofit and new-build installations where sender units must be mounted on standard tanks.
- Fuel tanks, potable water tanks and waste holding tanks in marine or industrial use
- Thick or reinforced tank tops where larger screws will provide superior anchoring.
- Situations where tank tops are of standard thickness and no additional under-ring is required
