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Question:

What are the meaning of the LH for the size of the valve stem of the electric gate valve?

What are the meaning of the LH for the size of the valve stem of the electric gate valve?

Answer:

The size of the valve stem of the electric valve is LH. The thread of the electric valve indicates that the thread is left.
Jul 19, 2017
Valve in general, into a positive and negative thread structure, to prevent thread loosening.
Jul 19, 2017
Such as the stem, stem nut on the screw connection: stem nut on the tight ring for left hand, hand wheel thread is right, the stem nut trapezoidal thread is left.
Jul 19, 2017

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