1, electric flanged butterfly valve before installation to confirm our products performance and whether the medium flow arrow is consistent with the movement conditions, and the valve cavity clean, do not allow foreign impurities in sealing ring and disc attached, before cleaning must not allow closing butterfly plate, so as not to damage the sealing ring. 2, electric flanged butterfly valve disc plate installation supporting disc valve special flange, flange recommended HGJ54 - namely The type 91 socket welding steel flange. 3, electric flanged butterfly Industrial Valves installed in the pipeline position, the best position for the vertical loading, but can't flip. 4, electric flanged butterfly Industrial Valves in use need to adjust the flow, a worm gear box control. 5, on and off a lot of disc valve, in 2 months time, open the worm gear case cover, check whether the butter is normal, and should maintain an appropriate amount of butter. 6, check the connection parts required pressure, namely the packing sealing, guaranteeing stem flexible rotation. 7, the metal sealing butterfly Industrial Valves products are not suitable for installation in the end of the pipe, such as must be installed in the end of line, take equipped with outlet flange, prevent the backlog of sealing ring, too. 8, stem installation using regular check valve using effect, find fault in a timely manner to eliminate
Clouds of resilient seal gate valve failures surround the world of os gate valve in particular, simply because people don’t pay as much attention to the gate valve as they should do.
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ductile iron gate valve is attracting a great positive feedback from the customers. And many of our clients are fully satisfied with it.