Liquid meter prover apparatus

Details Liquid meter prover apparatus Liquid meter prover apparatus

G - Physics

01

F

73/0.5

G01F 25/00 (2006.01)

Patent

CA 1053022

Abstract of the Disclosure Undirectional meter prover apparatus for checking and calibrating liquid flow meters. An interchange for transferring a sphere from the outlet to the inlet end of a metering pipe is provided with a shuttle assembly hav- ing backflow preventing means which seals the interchange body against backflow for certain operating conditions, particularly when the shuttle assembly is at or near sphere receiving position. Preferably guide means is provided which is engaged by the backflow preventing means.

255575

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