Thesaurus

Demand valve was the term used in Britain and France to describe the breathing device connecting the diver to the tank. In the United States the term used was regulator.

Objects

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First stage breathing regulator

1953

Second stage breathing regulator

1953

Rubber ring from Siebe Gorman Merlin Mark 6 twin hose SCUBA regulator / demand valve

1966

Siebe Gorman Merlin Mark VI twin hose SCUBA regulator

1966

Metal fitting from Siebe Gorman air regulator

1966

Breathing regulator

before 1988