First, close the valve with external force. That is, rotate the valve shaft clockwise until the valve plate is in sealing contact with the valve seat. Also, keep the cylinder closed (i.e. the small groove on the cylinder shaft is perpendicular to the cylinder block; if turning the valve clockwise closes the valve) and attach the cylinder to the valve (parallel to the mounting direction) OR, make sure the screw holes are aligned (perpendicular to the valve body). There is not much deviation. If misaligned, rotate the cylinder slightly before tightening the screws.
When debugging a pneumatic butterfly valve, first check whether the valve accessories, solenoid valve, muffler, etc. are installed. If it's not complete, don't debug. The normal air supply pressure is 0.6MPA±0.05MPA. Make sure there are no crumbs. Installed on the valve plate of the valve body before operation, manually operate the solenoid valve manual button during the first test run (when the solenoid valve coil is closed during manual operation, the manual operation is valid. In the case of electronic control, the operation and manual setting are set to 0 position , the electronic control operation is valid, 0 position is closed valve, 1 position is open valve, that is, the valve is open when power is on. When power is off, the valve is closed, and when power is off, the valve is open, you can rotate it 180 degrees to install the solenoid valve coil) and Check the operating status of the valve.
