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> Westinghouse type trb-1 blocking valve style 184A414G12
Westinghouse type trb-1 blocking valve style 184A414G12
Westinghouse Type TRB-1 Blocking Valve
Please look over the pictures, which show several angles, including the data plate. I hope they answer any questions you may have. The internet says "TRB-1 blocking valve is an auxiliary device to be used as a directional valve in a relaying scheme".
Overall measurements are 3 by 4-11/16 by 4-3/4 inches. Weighs 1-1/4 pounds.
