Crossword clues for Flow regulator 5 letters:VALVEFlow regulatorVALVEFlow-regulating deviceVALVEDevice in a pipe to regulate flow.HEARTALVEBlood flow regulatorTHROTTLESFlow regulatorsSLUICEGATEWater flow regulatorTHROTTLEFlow regulatorTIDEGATEDevice to regulate water flowNIAGARAIts flow is regulated by the International Control Dam