Gas sparger/diffuser

I require sparging/gas diffusion technology for the construction of a pilot plant. The sparger/diffuser will service natural gas at a rate of ~15-30 ft3/min into a molten tin bath operating somewhere in the temperature/pressure range of 900-1100C and 5-15 bar. I am wondering if your company offers any products which would be suitable for this, and whether you could provide additional information which could aid in the feasability assessment (design information, pricing, etc).