Z10310806 is a reducer hexagonal female fixed bsp - female fixed bsp. This fitting connects the mating fluid-line components identified by its catalogue connection form. Match each port thread and seating interface independently.
Port 1 thread: 1/2" BSP; Port 2 thread: 3/8" BSP.
The exact article is listed in the linked technical PDF; it is not present in the extracted website model table.
