bids are invited for 990320086322, 990320089426, 990320089523, 99032 0422524, 990320422621, 990320422718, 9903204228 15, 99032042 ball valve ( for png ) size 15mm suraksha flexible burner pipe size 5 inch suraksha flexible burner pipe size 4 inch adjustable regulator teflon tape coupling m 100 assembly pipe m100 regulator 15 / 20 / 0.5 needle valve 3 / 8 inch dual gas burner m100 head g / m dual gas burner t78 head g / m injector assembly t78 / m100 injector assembly rv ball vall for png 50 mm o type washer for png system sikka spare assembly pressure gauge, 0-4 kg rating brass coupling 1 / 2 inch brass coupling 1 / 4 inch by 3 / 8 inch dual gas burner ( t-78 burner ) total quantity : 235