Throttling orifice plate and decompression throttling device

The utility model discloses a throttling orifice plate and a decompression throttling device, the throttling orifice plate comprises a plate body, a plurality of throttling orifices are arranged on the plate body, all the throttling orifices are evenly distributed in a circumference mode, the outlet ends of all the throttling orifices are inclined towards the axial direction of the plate body, and the axes of all the throttling orifices and the axis of the plate body are intersected at one point. The decompression throttling device comprises the throttling orifice plate. The pressure reducing and throttling device has a good throttling effect and cavitation resistance and is low in noise. 本实用新型公开了一种节流孔板和减压节流装置，该节流孔板包括板体，在板体上设有节流孔，所述节流孔有多个，所有节流孔呈圆周均匀分布且所有节流孔的出口端向板体轴向倾斜，并且所有节流孔的轴线与板体轴线相交于一点。所述减压节流装置包括上述节流孔板。该减压节流装置具有良好的节流效果和抗气蚀性，且噪声低。