Butterfly valve test installation and adjustment Notes: 1, this product, whether manual, pneumatic, hydraulic, electric components are strictly debug before leaving the factory, the user re-sealant performance, the import and export sides should be evenly fixed, Close the butterfly valve, the pressure on the inlet side, in the export side to observe whether there is leakage, the pipe strength test, the plate should be opened to prevent damage to the seal pair. 2, Although the products are strictly inspected and tested before leaving the factory, there are also some screwdrivers on the way of transportation. To readjust, pneumatic, hydraulic and so on, please read the instruction manual of the drive unit. 3, electric drive disc valve factory control mechanism has been Kai, closed stroke adjusted. To prevent the power is turned on the wrong direction, the user first turn on the power, the first open manually to the semi-open position, press the electric switch to check the direction of the disc and valve closing direction can be consistent. This article Keywords: butterfly valve
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