DG Set Heat Exchangers

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DIESEL ENGINE UTILITIES

DG Set Jacket Water & Lube Oil Coolers

Highly optimized shell and tube cooling units designed for heavy-duty Diesel Generator (DG) Sets. Engineered to prevent engine overheating and maintain optimal viscosity levels in lube oil and jacket water loops across major utility plants and backup generation sites.

Parameter Standard Specification
Exchanger Type DG Set Coolant / Lube Oil Cooler (Shell & Tube)
Engine Compatibility Sized for DG Sets (125 kVA to 3000 kVA engines)
Tube Metallurgy High-Conductivity Copper, Cupro-Nickel, or SS316L
Shell Metallurgy Cast Iron, Gunmetal, or Heavy-Duty Carbon Steel
Design Pressure (Shell) Up to 20 Bar (Engine oil/coolant side)
Design Pressure (Tube) Up to 10 Bar (Raw cooling water side)
Removable Bundle Yes (Fully extractable for marine growth/fouling descaling)

Heavy-Duty Diesel Generator Engine Cooling & Durability

Heavy-Duty Engine Thermal Management: High-capacity Diesel Generator (DG) Sets generate immense thermal energy during continuous power generation cycles. Our specialized DG Set heat exchangers are engineered to cool engine Jacket Water (JW) and Lubricating Oil, keeping the engine at its optimal operating temperature, preventing thermal shutdown, and ensuring uninterrupted power backup.

Traceable Corrosion-Resistant Metallurgy: Sourced with premium high-conductivity copper or marine-grade cupro-nickel tube bundles, our DG Set coolers are highly resistant to scaling, raw cooling water corrosion, and thermal shock. Housed inside robust cast iron or protected carbon steel shell bodies, they are constructed for long-term mechanical durability in industrial facilities, hospitals, and commercial buildings.

Removable Bundle & Easy Maintenance: Industrial utility spaces are highly prone to fouling and dirt. Our DG Set heat exchangers are designed with fully removable tube bundles and unboltable end covers. This configuration allows field engineers to quickly extract the tube assembly for rapid mechanical cleaning, descaling, or inspection, minimizing scheduled utility downtime.

ENGINEERING FEATURES

Calculated and Fabricated for Demanding Thermal Loops

Every DG Set cooler is modeled with specific thermodynamic profiles. Below are the key engineering specifications built into our designs:

Jacket Water Sizing

Engineered with high flow capacities to handle rapid engine coolant transfer rates, preventing generator temperature spikes.

Cupro-Nickel Tube Options

Optional cupro-nickel tube selection for marine environments or cooling loops using raw sea/brackish water.

Unboltable End Covers

Both cast iron end covers are easily unboltable, enabling direct line-of-sight tube cleaning and maintenance.