Document Nea65L8kamjMYqOzjn4m4E0xE

American Society of Heating and Ventilating Engineers Guide, 1925-26 > American Society of Heating and Ventilating Engineers Guide, 1925-26 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 ft. 0 in. long and one for each additional 100 ft. 0 in. of run. AH branch connections should be made so as to allow a swing both at the main and the other end connections. H< RUMVATtOfl AWtori swiNO mTMQMT- Fig. 23. Typical Expansion Connections for Risers 70 71