... special requirements for onsite spraying in narrow space of boiler, our company improves the current DF-3000 ultrasonic flame ... valve, reaction vessel, pipeline, shaft), electric power (four tube in boiler, fan blade), petroleum (oil control pump, piston, hydraulic ram, shaft), ... , etc.Air draft and dust removal7.5KW, centrifugal blower fan, can be customized.Sand blasting machineRecommended, PS-3A-8 ...