tender for (1) flash back arrestor oxygen, qty 01of 6 to 8 ltrs (2) flash back arrestor acetylene qty 01 nos 6 to 8 ltrs * flame arrestor with non return valveshall quench flashbacks and shall not allow the reverse flow of gases * shall have temperature sensitive cut off valve to quench flashbacks and stop the gasflow before the upstream gas is ignited. * shall have pressure sensitive cut off valve. the pressure sensitive cut off valve shall remain closed until it ismanually reset. * shall be compatible with the regulators (3) gas cutting torch/ blow pipe qty 02 no, each suitable for cutting and welding * injector type handcutting blowpipe for use with dissolved acetylene-oxygen cylinders conform to is 7653 1975 with isi certification mark * body and head made of forgedbrass * swaged nozzles to ensure parallel beam of heating flame. (4) regulator oxygen qty 01 no (5) regulator acetylene qty 1 no * double stage regulatorsconforming to is 6901 2009 with isi certification mark * stainless steel diaphragm in first stage to absorb shock of inlet pressure and flexible rubberdiaphragm in second stage for fine gas control * shall have two pressure gauges one to indicate the inlet pressure and the other to indicate the outletpressure * shall have pressure adjusting knob for adjusting working pressure forged brass body and cap spring * valve shall be made of fire retardantmaterial. (6)hose pipe qty 30 mts two hoses, for oxygen and acetylene gas, each of 15m length, factory fitted with necessary nut and nipples at both endswith any other necessary adaptors required for gas connection of blow pipe or cutting machine with regulator through the flashback arrestors shall besupplied (7) gas cutting nozzle qty; 02 suitable for cutting 1-100mm and welding 0.5 to 30mm conforming to is: 7653/1975 specification.(8) with accessories-safety helmet, trolley for carrying cylinders, gloves etc .
