Document rBZY6Kynq5nnD4D708N2waO1G

150 1922Am. Soc. of Heat.-Vent. Engineers Guide. EXPANSION CONNECTIONS STEAM CONNECTIONS NOTE--Allowance for expansion must' be made in long runs of mains both vertical and horizontal. One expansion joint or swing should be installed in any run over 100'-0* long and one for each additional 100 '-0" of run. All branch connections should be made so as to allow a swing both at the main and the other end connections.