The reducer d110-3″ made of PVC-U transitions from a glued end for pipe of 110 mm diameter to a 3″ BSP female thread, which is a connection size typical for powerful professional pool pumps or large industrial valves.
The 110 mm diameter as a pipe base is the standard for high-capacity pools with a high volumetric flow, where it is necessary to ensure a sufficient cross-section without unnecessarily increasing the flow velocity.
The glued end in combination with the precisely machined 3″ BSP thread guarantees a reliable installation and tightness on both sides of the fitting, even at higher operating pressure or with vibration from the pump.
