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Up Topic Welding Industry / General Welding Discussion / API RP 2201: hot tapping A335 GRP11
- - By greggianin (*) Date 10-09-2016 22:16
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
Parent - - By jarsanb (***) Date 10-11-2016 15:52
You may or may not find these software packages useful. Last time I used these they were limited regarding input variables, such as electrode type and classification, for example. I would contact Marcin Cierneiwski at Technical Toolboxes to discuss your intended welding application and to see if it is a fit. If I recall there is a 3 year minimum licensing agreement required. If you only want the software for procedure development and verification and not field application verification then I would recommend other resources/publications through PRCI and DNV.
Parent - By greggianin (*) Date 10-12-2016 09:08
tks to your response.
I intend to keep contact to Marcin.
Actually we are preparing the wps in the similar field conditions: T x PN
best regards
Up Topic Welding Industry / General Welding Discussion / API RP 2201: hot tapping A335 GRP11

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