Marine Preheaters & Purifier Heaters

High-efficiency heating units for main engine jacket water and fuel/lube oil purification systems. We stock a range of original Donghwa, STX, and Alfa Laval heaters designed for rapid thermal transfer and extreme pressure durability. All units are factory-verified, Class-certified, and ready for immediate dispatch to support your engine room maintenance.

  • Critical Engine Readiness: Ensures optimal jacket water temperatures for safe main engine startup and reduced thermal stress.
  • Superior Heat Transfer: Engineered with high-surface-area designs (up to 10m²) for consistent oil and water temperature control.
  • Certified OEM Quality: Genuine units from Donghwa, STX, and Alfa Laval, ensuring perfect fitment and pressure-test compliance.

Product Description

Sourcing Marine provides robust heating solutions essential for the continuous operation of marine propulsion and auxiliary systems. Our current inventory includes specialized heaters for jacket water preheating and centrifugal oil purification, ensuring your vessel maintains peak efficiency in all climates.

Current Inventory & Technical Specifications

A. Main Engine Jacket Water (M.E.J.W.) Preheaters

Essential for maintaining engine block temperature during standby to prevent cold-start wear.

  • Donghwa M.E.J.W. Units: Available from 0.72m² to 10m² heating areas. High-pressure tested (up to 13.5 Kgf/cm²) with automated temperature regulation.
  • STX Jacket Water Heaters: 49KW / 440V high-capacity electric units for rapid heating.

B. Lube Oil (L.O.) & Heavy Fuel Oil (H.F.O.) Purifier Heaters

Designed to reduce oil viscosity for optimal separation efficiency in purifiers and clarifiers.

  • Donghwa Purifier Series: Range of shell-and-tube heaters from 0.83m² to 2.98m², supporting flow quantities up to 5.9 m³/hr.
  • Alfa Laval Compact Heat Exchangers: Type MX 10L600 high-pressure units (16 Bar) for space-saving installations.
  • Hanmi Cylinder Oil Heaters: Specialized 750W units for precise cylinder oil viscosity control.

Technical Performance Data

CategoryTypical BrandsPressure RangeTemp. Range
Jacket WaterDonghwa, STXUp to 13.5 BarInlet 36°C – Outlet 60°C
L.O. PurifierDonghwa, HanmiUp to 13.5 BarInlet 40°C – Outlet 90°C
H.F.O. PurifierDonghwa, Alfa LavalUp to 16 BarInlet 60°C – Outlet 98°C

Quality & Supply Reliability

  1. Full Pressure Testing: All units have undergone rigorous hydrostatic testing (up to 13.5kg/cm²) to ensure leak-free operation in high-vibration environments.
  2. Original Components: We only supply brand-new or original factory-stock equipment, accompanied by manufacturer serial numbers for full traceability.
  3. Global Logistics Expertise: Our team handles the heavy-lift logistics required for large preheaters, ensuring safe delivery to any shipyard or port worldwide.

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