Cock of the pneumatic valve installation note 4)

when installing pneumatic valve cock, cock, pneumatic valve, prevent damage, and ensure the cock of the full performance of pneumatic valve, should pay attention to the following: at four o 'clock. Make sure that the pneumatic valve is fully open. Heat to tube first. As far as possible the heat from the pipe blockage. Avoid long time heating plug itself. 。 Cloth or steel wire brush to clean pipes and reducing use to bright metal. Recommended not to use steel wool. 。 The first vertical cutting along the pipeline, and nap, removal of burr and size. 。 Pipes and welding mask internal apply flux, flux surface must be completely covered. Please use flux in moderation.
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