Spirax Sarco BSK1 - Page 13

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13
Whenreassemblingtheunit,carefullyverifythatthesurfacesofthegasketsarecleanandunda-
maged.Withthepluginopenposition,tanewgasketbetweenthevalvebodyandcoverand
evenly retighten the cover stud and bolts following the recommended cross-tightening sequence
(Asshowninthetablebelow).
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
exceeding24bar(equivalenttothemaximumdesignpressuredeclared).
Note:Obsoleteand/orunusablevalvesarerecyclableandnoecologicalhazardisanticipatedwith
thedisposalofthisproduct,providingduecareistaken.(valveshouldnotbedisposedofasordinary
householdwaste).
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