Ductile iron body designed to fit between ANSI 150 flanges. A pair of ANSI 150 slip-on flanges will be supplied with the assembly where required for installation into BS1387 tube Supplied with lifting eyebolt to assist with installation Autoflow regulator factory set to automatically ensure correct flow Changes to flow specification can be accommodated by changing the relevant flow regulators Supplied complete with two figure 631 DuSeal test points and drain plug