... /9115/70-Y(Q)WNS7-1.0/115/70-Y(Q)2Thermal PowerMW0.71.42 ... valve openingmm8010012512515015015015014Chimney DiameterMm35035045045045045045050015Suitable Altitudem<1000boiler anxiliary main:Burner, feed pump, blower, exhauster, electric control cabinet, sootblowers ... water treatment equipment, exhauster, draught fan ,air blower,feed water pump, valve instrument, crusher, chimney, electric ...