A pipe valve plate
Straight seam steel pipe in automobile silencer tube, usually as a drive shaft tube, pipe, condenser tube, thrust control shaft tube and the valve plate to use.
But the most common is the straight seam steel pipe valve plate, which is mainly composed of a vertical plate, plate, large plate, valve plate structure, plate battle station can indirectly blanking forming, and small steel plate is first calculated the size, according to the requirements to make pressure arc-shaped mold, then the fetus will be small steel plate suppress forming, and the valve plate in the middle part of the arc, the edge is not a plane, so each specification corresponds to a valve positioner, otherwise it cannot make the required form.
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