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1. before installation, check all parts of the pneumatic butterfly valve are not missing, the model is correct, check the valve body is without debris, the solenoid valve and silencer are without obstruction.

2. Keep the valve and cylinder closed.

3. the cylinder installed on the valve, (installation direction and the valve body parallel or vertical can be), and then see if the screw hole is on the right side, and there is not much deviation, if there is a small deviation, the cylinder body will be turned a little bit, it is OK, then tighten the screws.

4. After installation, the pneumatic butterfly valve should be adjusted (normal air supply pressure is 0.4 ~ 0.6 mpa) , and the solenoid valve should be opened and closed manually, observe the opening and closing of the pneumatic butterfly valve. If during the commissioning operation the valve is found to be laborious at the beginning of the opening and closing process and then normal, you need to reduce the stroke of the cylinder (both ends of the cylinder stroke adjustment screw at the same time, adjust the valve to the open position, and then turn off the gas and then adjust) , until the valve opening and closing action smooth and closed without leakage. Also need to note that the adjustable silencer can adjust the valve speed, but not too small, or may cause valve inactivity.