Crossword clues for Flow regulator 5 lettersAnswerClueVALVEFlow-regulating deviceVALVEDevice in a pipe to regulate flow.VALVEFlow regulatorTHROTTLEFlow regulatorTHROTTLESFlow regulatorsSLUICEGATEWater flow regulatorHEARTALVEBlood flow regulatorNIAGARAIts flow is regulated by the International Control DamTIDEGATEDevice to regulate water flow