- A. The maximum allowable working pressure on a water tube boiler, the tubes of which are secured to cast-iron or malleable-iron headers or which have cast-iron mud drums, shall not exceed 160 psig.
Authority Note
AUTHORITY NOTE: Promulgated in accordance with R.S. 23:531 and R.S. 51:1424.
Historical Note
HISTORICAL NOTE: Promulgated by the Department of Public Safety, Office of State Fire Marshal, LR 33:1357 (July 2007).