Stainless Steel - ANSI Backing Ring - Class 150 size:Europress 316 Stainless SteelBacking Ring suit 15mm (1/2") 2 x the diameter of

2 x the diameter of the relevant pipe size and are designed for joining pipes of equal diameter

Dimensional tolerances conform to Standard EN ISO 1127 D4/T4

Yellow HNBR is a type of hydrogenated nitrile rubber commonly referred to as Buna-N suitable for a broad range of applications

with H being the distance between the end of the Europress stainless steel pipe and the face of the Roll Groove Adaptor

Stainless Steel - ANSI Backing Ring - Class 150 size:Europress 316 Stainless SteelBacking Ring suit 15mm (1/2") 2 x the diameter ofThe Stainless Steel Backing Rings are designed to slip over the small Adaptor Flange (small) pipe size up to 42mm, or the Stub Flange from pipe sizes 76. 1 to 168. 3 These flanges match series ANSI Class 150 For 304 grade Stainless Steel substitute 4 instead of 6 in code, eg SBA4. 000xxx