Viking Johnson’s ductile iron FlexLock PN16 flange adapters are available in sizes 76.1mm x 2 1/2" - 323.9mm x 12", this includes two ranges, one to suit ductile iron pipe and a second for steel pipe. All FlexLock flange adapters have drillings for PN16 flanges to BS EN 1092-1 and are suitable for use with plain ended pipe or tube. These adapters are black Rilsan (nylon 11) coated for increased impact, corrosion and chemical resistance.
These VJ flange adapters all include unique EPDM rubber seals with stainless steel load-bearing teeth, this provides a fully end-load restraining joint. FlexLock, like other VJ products, allow angular deflection to accommodate normal pipeline movement, FlexLock flange adapters are 16 bar (PN16) pressure rated in sizes up to 8" NB, larger sizes are PN10 rated.