Engine cooling products

36 products

Closed-circuit cooling of propulsion and auxiliary engines: keel coolers, box coolers, plate and shell-and-tube heat exchangers, central coolers and charge air coolers.

Filter products: Engine cooling

R.W. Fernstrum & Company

GRIDCOOLER Keel Cooler – 90/10 Copper-Nickel

Keel cooler (external hull-mounted)

Hull-mounted rectangular-tube keel cooler in heavy-walled 90/10 CuNi with one-piece header, silver-brazed; enhanced interior tubing optional.

R.W. Fernstrum & Company

GRIDCOOLER Multi-Pass Keel Cooler

Keel cooler (multi-pass configuration)

Multi-pass GRIDCOOLER arrangement routing coolant through several tube passes; offered alongside the standard single-pass design.

R.W. Fernstrum & Company

GRIDCOOLER Stacked & Angled Tube Keel Coolers

Keel cooler (compact / stationary configurations)

Stacked units for more heat transfer in a smaller footprint; angled-tube units for side-mounted zero-knot or stationary duty.

R.W. Fernstrum & Company

WEKA Boxcooler (US-built)

Box cooler (sea-chest U-tube bundle)

Uncoated 90/10 CuNi sea-chest box cooler built in the US under Fernstrum's WEKA partnership; no coating or ICAF required.

R.W. Fernstrum & Company

WEKA Guard & WEKA Protector Type T

Box cooler galvanic/stray-current protection

Protection devices for WEKA Boxcoolers: Guard during construction, Protector Type T in service (Dual/Multi for shared sea chests).

R.W. Fernstrum & Company

OMEGA Laser Plate

Laser-welded pillow/immersion plate heat exchanger

Laser-welded, hydraulically inflated pillow plates in stainless, duplex, nickel alloys or titanium for closed-circuit heating and cooling.

R.W. Fernstrum & Company

Replacement Parts & Installation Support

Aftermarket parts / support

GRIDCOOLER anode kits (zinc/aluminium), gasket and isolator sets, compression sealing kits for cofferdam installs, and manuals.

Alfa Laval

Marine Semi-Welded Plate Heat Exchangers

Semi-welded plate heat exchanger

Laser-welded channel pairs with RefTight sealing, up to 65 bar; fuel conditioning, LPG, refrigeration, ORC and engine-room cooling.

Blokland Non-Ferro

Blokland Boxcoolers

Box cooler (sea-chest)

Custom box coolers from ~0.5 to over 150 m² cooling surface, shaped to the hull, with welding frames and ICAF/ultrasonic anti-fouling options.

Blokland Non-Ferro

Blokland Bottom-Type Coolers

Hull-integrated bottom cooler

Steel-box cooler placed inside against the hull bottom, leaving a smooth bottom; for small propulsion engines, gensets and HVAC.

Blokland Non-Ferro

Blokland Plate Heat Exchangers

Plate heat exchanger

Plate heat exchangers offered within Blokland's cooling range for marine and industrial applications.

Duramax Marine

DuraCooler Keel Cooler

Keel cooler (external hull-mounted)

One-piece 90/10 CuNi keel cooler with streamlined header and flow-diverter scoops; through-hull or flange mount, single or double pass.

Duramax Marine

DuraCooler SuprStak Keel Cooler

Stacked keel cooler

Double-stacked CuNi keel cooler with TurboTunnel header and turbulizer spacers; the company says it doubles heat transfer in half the hull space.

Duramax Marine

Duramax BoxCooler

Box cooler (sea-chest)

Sea-chest box cooler with aluminium-brass tubes, heat-cured synthetic coating and ICAF copper-anode anti-fouling.

E.J. Bowman (Birmingham) Ltd

Bowman Charge Air Coolers

Shell-and-tube charge air cooler

Eight standard charge air coolers for 50–850 kW engines; naval-brass end covers, CuNi or titanium tube stacks, removable tube stack.

E.J. Bowman (Birmingham) Ltd

Bowman Marine Engine Heat Exchangers

Shell-and-tube engine heat exchanger

Shell-and-tube engine coolers for marine engines up to 1 MW, incl. OEM-pattern units for Cummins, Ford, Mitsubishi and Perkins.

E.J. Bowman (Birmingham) Ltd

Bowman Electric & Hybrid Propulsion Coolers

Shell-and-tube cooler for e-propulsion

Over 40 shell-and-tube models for 3–700 kW heat loads from electric motors, batteries, chargers, inverters, converters and fuel cells.