Keywords:FVA metal tube rotameter /FRT pipeline flow switch /FBT baffle-type flow switch /YH2008 pressure/liquid level transmitter /YH2088/2088B input type liquid level transmitter /YH310A(B) pressure/liquid level transmitter /YH1151(3351) pressure /differential pressure transmitter /YH1151(3351)LT flange pressure/liquid level transmitter /