This appraisal covers DN 80 to DN 750 Sureflow resilient seated gate valves. This Issue 9 is a replacement for the previous version of the appraisal which had reached its 5-year expiry date.
Configurations include:
Flange – Flange: DN 80 – DN 750
Socket – Socket: DN 80 – DN 375
Spigot – Spigot: DN 80 – DN 300
Flange – Socket: DN 80 – DN 150
Flange – Flange with integral bypass: DN 450 – DN 750
Flange – Flange OS&Y: DN 80 – DN 300
The RSVs are rated as PN 16 and are available with either clockwise or anti-clockwise closing directions. Operation can be by key, hand wheel or gearbox.