Ill. Admin. Code tit. 35 § 211.6870
Current through Register Vol. 48, No. 49, December 6, 2024
"Unregulated safety relief valve" means a safety relief valve which cannot be actuated by a means other than high pressure in the pipe or vessel which it protects.
Ill. Admin. Code tit. 35, § 211.6870
Added at 17 Ill. Reg. 16504, effective September 27, 1993