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How to open, close the gate valve
1.
Loosen the two nuts fixing the gland gasket
until the handle can be turned.
2.
Operate the handle to open or close the
gate valve.
When closing the gate valve
If additional tightening is necessary after
turning the handle by hand, prepare
separate handle extensions. Tighten again
using the handle extension until the main
handle can no longer be turned. For the size and usage of the handle extension, refer to the
figure below.
3.
After opening or closing the gate valve, tighten the loosened nuts until the handle cannot be
turned.
Ball valve Transducer DS-854
15
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