Tap orientation for other differential pressure producing flow elements (such as venturis, flow nozzles, etc) shall, in general, follow the same orientation requirements as for orifice plates.

• 其它差压流量元件（如文丘里、流量管嘴等）的取压口方位，一般来讲，应和流量孔板的要求一样，具有相同的方位。