We are a professional manufacture and exporter for steel prodcuts. The main products are pre galvanized steel pipe, hot dip galvanized pipe,welded steel pipe, square&rectangular tube and scaffolding products. Our manufacturing equipment include 4 pre galvanized product lines, 8 ERW steel pipe product lines, 3 hot-dipped galvanized process lines. According to the standard of GB,ASTM,DIN,JIS. The products are under the ISO9001 quality certification manage mode. Annual output of various pipe is more than 300 thousands tons, covering the range of 21.3-457mm round pipe,15*15-500*500mm square tube,15*20-500*100mm rectangular tube, , with thickness of 0.8-30mm.
The burner is .75in sq 18Ga stainless tube. It has .07 holes on one face.
The venturi is 3in long with a 82° taper about .5in on one end and 23° taper for about 1.5in on the other end. There is a .25in hole the length of it and have four .2in holes intersecting with it.
I adjust the gas with a 1-10psi regulator.