Steam Rig Heater (SRH2) series serve steam applications on drilling rigs where boiler failure or system neglect can lead to freeze-up conditions. During accidental freeze-up, SafeDeform™ core headers accommodate ice expansion. Products accept operating steam pressures up to 150 psig in single-pass configurations and meet ASME requirements with National CRN to conform to Safety Codes Act. Also available, 36 in. fan size model integrates speed reducer.