UL 536 BULLETIN-2019 PDF

Scope: These requirements cover flexible metallic hose supplied with fittings on each end that facilitate connection without twisting the hose. They have a corrugated metal core or a nonmetallic inner core which are covered with a stainless steel braid. They have a nominal inside diameter of not more than 4 inches intended for use in piping systems carrying compressed gases@ such as anhydrous ammonia@ and combustible fuel gases such as natural gas@ liquefied petroleum gas@ propane@ and butane@ at pressures not exceeding 500 psig (3.45 MPa) and temperatures not greater than 450??(232?? or lower than minus 40??(minus 40??.

UL 536 BULLETIN-2019 history

1970 UL 536-2021 UL Standard for Safety Flexible Metallic Hose
2019 UL 536 BULLETIN-2019 UL Standard for Safety Flexible Metallic Hose (COMMENTS DUE: July 29@ 2019)
2014 UL 536 BULLETIN-2014 UL Standard for Safety Flexible Metallic Hose (COMMENTS DUE: NOVEMBER 17@ 2014)
2014 UL 536-2014 UL Standard for Safety Flexible Metallic Hose (Tenth Edition)
2003 UL 536 BULLETINS-2003 2/21/2003 (6p)
1997 UL 536-1997 UL Standard for Safety Flexible Metallic Hose Ninth Edition; Reprint with Revisions Through and Including June 9, 2003
1993 UL 536-1993 UL Standard for Safety Flexible Metallic Hose (Eighth Edition; Reprint with Revisions Through and Including May 10@ 1996)