Precautions for checking and maintaining check valves

2009-03-30View Original

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1. After removing the cover, check the axial clearance between the valve plate shaft and the connecting plate, as well as the fit between the shaft and the connecting plate; it is required that the rotation be smooth and that the valve plate make good contact with the sealing surface of the valve seat； 2. The gap between the pin and the connecting plate is appropriate, ensuring smooth rotation ； 3. The sealing surface is ground smoothly.

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Precautions for checking and maintaining check valves

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