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Contents are subject to change without notice.
SKW/ SKF-2015-09-ENG
Larger diameter valves can have additional flushing connection to ensure proper flushing.
Flushing connection are on the sides, bottom or on the face of the valve. Hole sizes are shown
in
Appendix A
. One or more flushing connections are used, depending on the process.
A flow indicator can be installed to the flushing line for easier function check-out.
In flushing example 1
the
valve protective plugs (9) are removed or bottom cover plate (12)
is removed. The process medium slipping between the gate and ring sleeves during valve
operation flows freely out of the valve. If the medium is harmful in any way, the flushing port
must be piped to a safe location.
9.
Protective plug
12.
Bottom cover plate
Figure 10. Flushing example 1.
