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Always follow standard safety procedures when working on a valve.
Butterfly valves should be installed with the valve shaft horizontal
or inclined from vertical.
The valve should be mounted in the preferred direction, with the "HP"
marking.
Thermal insulation of the valve body is recommended for operating
temperatures above 392°F (200°C).
The valve should be installed in the closed position to ensure that
the laminated seal in the disc is not damaged during installation.
If the pipe is lined, make sure that the valve disc does not contact
the pipe lining during the opening stroke. Contact with lining can
damage the valve disc.
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