concentric orifice plate

concentric orifice plate

[kən′sen·trik ′ȯr·ə·fəs ‚plāt]
(design engineering)
A fluid-meter orifice plate whose edges have a circular shape and whose center coincides with the center of the pipe.
References in periodicals archive ?
Most common are square edge concentric orifice plates with flange taps.