Liquid meter prover apparatus

Details Liquid meter prover apparatus Liquid meter prover apparatus

1975-11-10

1976-12-21

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01F 2500

Patent

active

039980898

ABSTRACT:
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 having 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.

REFERENCES:
patent: 3246666 (1966-04-01), Parkin et al.
patent: 3738153 (1973-06-01), Simmons
patent: 3911724 (1975-10-01), Grove et al.

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