... .512.51618222713outlet valve openingmm8010012512515015015015014Chimney DiameterMm35035045045045045045050015Suitable Altitudem<1000boiler anxiliary main:Burner, feed pump, blower, exhauster, electric control cabinet, sootblowers, economizer, and ... machine, water treatment equipment, exhauster, draught fan ,air blower,feed water pump, valve instrument, crusher, chimney, electric cabinet, multi-cyclone ...