If the stem axis deviates from the disc center and the body center at the same time, and the rotation axis of the valve seat has a certain angle with the channel axis of the valve body, it is called three eccentric butterfly valve.
COVNA HK59-D-G Series butterfly valve is triple off-set design which has aAdvantage of light weight, compact design and costeffective, low operation torque and can replace traditional gate valve, globe & ball valve in most of industries application
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