Weldless Tri-Clamp Tank Bulkhead Fitting

A clamp port through the vessel wall

The bulkhead fitting provides a Tri-Clamp ferrule outside the vessel and a threaded mounting stem through the wall. It offers a mechanical way to add a port where a welded ferrule is unsuitable for the planned installation. The wall, prepared opening and fitting dimensions must be considered together when selecting the part.

Captured O-ring and retaining nut

The series description includes a silicone O-ring located in a groove behind the flange, with a locknut securing the fitting against the opposite side of the wall. The groove positions the O-ring during assembly. Check that the selected wall surface provides the required seating area and that the retained seal is suitable for the intended liquid and cleaning conditions.

Access for assembly and removal

The round front flange has no external wrench flats. A winged locknut with a lever hole is shown for fastening the fitting. Plan access to both sides of the mounting position, including space to hold the body and operate the nut; follow the supplied assembly instructions for the actual configuration.

Materials and ordering information

The listed construction uses a machined 304 stainless steel flange/body and a cast-finish 304 locknut. Specify the mating Tri-Clamp size, wall thickness and curvature, prepared-hole requirements and seal arrangement when ordering. These details determine the mounting fit; the product name alone does not define a compatible opening for every tank.