One genuine Viking Johnson Maxidaptor Flanged pipe adapter. Viking part number:  VJ30037 Size:DN200 Suits Pipe dimensons:218 - 244mm Finish:Ritsan Working Pressure : 16 Bar Manufacturer Spec: Maxifit flange adaptors are designed to join pipes of various materials and outside diameters to flanges of the same or different nominal bores. Design life expectancy of 50 years, established by rigorous 'Accelerated Age Testing' which subjects product to working pressure at 80 Cel..