Thermal Oil Heater · Boilers
The Sunrod TOH 5t/7bar is a thermal-oil heater. It is normally installed in the machinery space connected to circulation pumps, expansion tank and heat consumers. It is designed for heating of a closed thermal-fluid circuit for cargo, fuel or process duties. In operation, the fired or waste-heat source transfers energy into circulating thermal oil instead of producing steam. Compared with neighbouring models, the relevant differences are heat duty, flow resistance, thermal-fluid volume, burner/exhaust arrangement and controls; these must be confirmed from the installed documentation rather than inferred from the model designation alone. Service and survey attention should concentrate on circulation, thermal-fluid condition, heater leakage, expansion system, overtemperature trips and fire safety. For exact ratings, dimensions, tolerances, test limits and model-specific settings, refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect pressure parts or heater coils, heat-source/burner and refractory where applicable, gas-side cleanliness, circulation/feed systems and water or thermal-fluid condition. Verify level, pressure, temperature, flow, safety valves and shutdown/interlock functions applicable to the design. Review treatment, blowdown, soot-cleaning and operating records and use manufacturer/class procedures for pressure tests.
Carry approved gaskets, valve service parts, relevant pump seals/bearings, temperature/pressure/level sensors and heat-source-specific spares such as burner ignition/flame components or soot-cleaning parts. Pressure-part repair materials should only be used under approved manufacturer and class procedures.
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