Ill. Admin. Code tit. 35 § 211.5810
Current through Register Vol. 48, No. 49, December 6, 2024
"Safety relief valve" means a valve which is normally closed and which is designed to open in order to relieve excessive pressures within a vessel or pipe.
Ill. Admin. Code tit. 35, § 211.5810
Added at 17 Ill. Reg. 16504, effective September 27, 1993