Doc. No: FRM.65 Rev. No: 00 Rev. Date: 01.06.2015
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• The bolting must be checked for correct size, length, material and that all connection flange bolt holes are
utilized. Tighten the bolts and nuts in the crossover method shown in Fig. 1, to load the pipe and valve evenly
and prevent stress on the joints. Finally tighten bolts to correct torque levels as recommended in Table. Do not
overtighten.
• To avoid effects of weight and stress of the piping system to the valves, all piping systems should contain
independent support mechanisms.
• After the installation process is completed, check the connections for leaks with water. Do not use the valve if it
is leaking.
• During installation prevent to damage the paint of the valve.
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