Somebody have experience to install hot tapping branch diameter 3/4" using 3000# sleeve in sour gas piping:
its possible prepare the welding qualification to this job
Gas Temperature: 350ºC,
Gás Pressure: 1,5 kgf/cm²
Piping Thickness: 6,5 mm to 13,3 mm
Piping Diameters: 8" to 24"
Material: ASME A 335 GRP11
Material P Number to welding: PN 4 x PN4,
Gas velocity: 1 to 2 m/s .
Could we use Battelle or PRCI model?
tks