Siamese connection
Appearance
A Siamese connection or splitter in fire protection engineering is a pipe fitting that allows two or more fire hoses to be connected to a single standpipe riser at the same general location.
It is so-called due to the visual similarity to Siamese twins.
References
Ramsey, Charles (2000). Hoke, John Ray, Jr. (ed.). Architectural Graphics Standards (10th Edition). John Wiley & Sons, Inc. ISBN 0-471-34816-3.{{cite book}}
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