How to adjust the leakage of vacuum GlQ-A of pneumatic flap seal butterfly valve? The above are some key issues that we should pay attention to when manufacturing and installing pneumatic butterfly valves. We can find that the installation of pneumatic butterfly valves is not a simple matter, and there are many steps that need attention. Finally, we also need to carry out certain maintenance and daily care after use, so as to extend the final use time of the pneumatic butterfly valve.
、 Second inspection: packing inspection of finished pneumatic butterfly valve. The Buyer and the Seller must pack and leave the factory according to the requirements of the contract documents. The packaging must be reliable and firm. Generally, there must be no damage, bruise, scratch and other undesirable phenomena. In addition, each packing box shall be provided with a production label indicating the material, diameter, pressure, connection method, quantity, model and production date of the pneumatic butterfly valve.
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