Tender For supply of butane/lpg gas can tin. fit directly in to flame torch guns net weight of 225 grams or above and universal pin should be there to can to attache any standard equipment can last for up to 2 hrs on medium flame (approx) make: weldman, thermo, proton or similar.
Tender For supply of liquefied petroleum gas, type : commercial butane- propane mixture,confirming to is:4576-1999 (second revision) with amendment no 1 of may 2003 (reaffirmed 2009) edition 3.1 (2003-05) in 19 kgs cylinders. specn: cylinders. ]