The BF3 series of sightglasses and flanges are made to suit 3" TTMA flanges/piping.
Flanges provides the ability to make a removeable connection between two points.They have a chamfered bore to clear the disc, fitted beside a butterfly valve.
Sightlgasses that offer the ability to view product in piping to ensure if a compartment/tanker has product present or if it has been drained.
BF3: Aluminium 80mm tube to 3" TTMA flange.
BF3-1: Mild Steel 80mm tube to 3" TTMA flange.
BF3-1S: Stainless Steel 80mm tube to 3"TTMA flange.
BF3-SG: 3" TTMA Sightglass flange, 25mm thick.