1), the cut-off valve is suitable for small-caliber pipe to be adjusted flow, pressure and accuracy is not high, or often turn off the flow of water cut off on the one-way flow pipe. 2), due to the larger resistance of the stop valve, the relatively applicable requirements of convection resistance on the pipeline. 3), does not apply to larger viscosity or containing particles easily precipitated medium. More keyword search: Globe valve
3D Flying Laser Marking Machine
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