Tender For corrigendum : supply of double stage acetylene regulator (ss dia [double stage acetylene regulator (ss diapragm), brass body max. inlet pressure:40 bar, max. output pressure: 1.5 bar, number of gauges: 02, regulator should be is:6901/iso:2503 certified. make:esab dura series or harris or messer or boc or similar. to be procured through oem or authorised dealer only.]