Vertical Oil fired Steam Boiler - AAC Autoclave
High Efficiency Vertical Coal Fired Oil fired Steam Boiler ASME 4 Ton Dual - Rear - Drum . Quick Details: 1, Water Tube. 2, Dual - Rear - Drum. 3, Vertical. 4, closed vessel . Description: The pressure vessel in a boiler is usually made of steel (or alloy steel), or historically of wrought iron.
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