13
Whenreassemblingtheunit,carefullyverifythatthesurfacesofthegasketsarecleanandunda-
maged.Withthepluginopenposition,tanewgasketbetweenthevalvebodyandcoverand
evenly retighten the cover stud and bolts following the recommended cross-tightening sequence
(Asshowninthetablebelow).
Before reinstalling the valve, check that all the connections are properly tightened and are properly
performing.
After completing the valve installation, carry out the cold hydraulic test with a water pressure not
exceeding24bar(equivalenttothemaximumdesignpressuredeclared).
Note:Obsoleteand/orunusablevalvesarerecyclableandnoecologicalhazardisanticipatedwith
thedisposalofthisproduct,providingduecareistaken.(valveshouldnotbedisposedofasordinary
householdwaste).
Table - Recommended tightening torques for valve body/cover bolts
M8 15 - 20 Nm
M10 35 - 40 Nm
M12 65 - 70 Nm
M16 140 - 150 Nm