the allowable clearance is 0~1mm. (the specific installation requirements of the
manufacturer shall prevail)
4.2.2 Start Running
1. Close the valve at discharge side, and open the valve at the suction side.
2. From the pump end, observe whether the rotation direction of the pump is correct.
3. Open the gate valve at the pump suction and close the valve at the pump discharge.
Start the pump and check the direction of rotation.
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