This appraisal is for BETTA resilient seated gate valves in the following sizes and end configurations for both clockwise and anticlockwise closing. DN 80 – DN 600: Flange – Flange DN 375, DN 450 and DN 600: Flange – Flange with integral bypass DN 100 – DN 150: Spigot - Spigot DN 90 – DN 315: Restrained Joints for PE pipe. DN 100 – DN 150: DN 125 and DN 180 integral PE Tail Ends
This Issue 11 is a replacement for the previous version of the appraisal which had reached its 5-year expiry date.