2020-5-12 · The output steam of 10 tons natural gas boiler per hour is 10 tons, which is the capacity of the boiler. 2018-01-26 2 Ton Gas Steam Boiler with 8 to 12 kg The 2 tons gas steam boiler with 8 to 12 kg, refers to the pressure required for the 2 tons steam boiler to be between 0.8-1.2mpa. 2018-01-23