Wall Light,Modern Wall Lights,Wall Sconces,Architecture Lamp Ningbo Royalux Lighting Co., Ltd. , https://www.royaluxlite.com1, the pipeline centrifugal pump suction pressure ≤1.6MPa, or the maximum working pressure of the pump system ≤1.6MPa, the pump inlet pressure + pump head ≤1.6MPa, pump static pressure test pressure of 2.5MPa. Pump system working pressure is greater than 1.6MPa. 2, pipeline centrifugal pump working environment temperature 3, the volume of solid particles in the conveying medium does not exceed 0.1% of the unit volume, particle size