R.W. Fernstrum Engineering & Design Enhanced
Keel Cooler & Boxcooler Sizing and Engineering
Free application engineering from Fernstrum: cooler sizing, configuration, placement and installation advice for keel coolers and boxcoolers based on your engine, vessel and operating conditions — with data on file for all major engine makers.
Description
Every GRIDCOOLER® keel cooler and WEKA boxcooler is engineered to order. R.W. Fernstrum's sales and engineering team sizes the cooler, recommends the configuration and advises on placement, installation and service โ for newbuilds, repowers and stationary applications.
What the team needs (recommendation form)
- Engine: type (propulsion, bow thruster, generator, other), maker and model, rating (BHP/BKW/EKW at RPM), emissions tier (Tier 1โ3 / IMO), age, heat rejection, coolant flow and temperatures, % antifreeze
- Reduction gear: make and model
- Vessel: type, hull material (steel, fibreglass, wood, painted/unpainted aluminium), minimum hull speed at full rated power, cofferdam installation
- Environment: maximum seawater temperature
Fernstrum keeps current files on all major marine engine manufacturers and will help fill gaps if engine data is incomplete.
Scope
- Keel cooler vs. boxcooler selection
- Tube type (smooth or enhanced), single/multi-pass, and options such as E1, L, HD, Z, stacked or angled tube
- Recess, external or side-mount installation guidance; repower checks of existing coolers
- Isolation/bonding, anodes and cofferdam sealing recommendations
Specifications
| Service type | Application engineering / cooler sizing |
|---|---|
| Covers | GRIDCOOLER keel coolers, WEKA boxcoolers |
| Inputs | Engine, gear, vessel and environmental data (recommendation form) |
| Contact | sales@fernstrum.com, +1 906-863-5553 |
Documents
More from R.W. Fernstrum
Equipment
Angled Tube GRIDCOOLER® Keel Cooler
Side-mounted keel cooler with angled tubes that harness natural convection for zero-knot and stationary duty — generators at the dock, buoys and pump stations.
Equipment
Fernstrum® GRIDCOOLER® Keel Cooler
Factory-assembled 90/10 copper-nickel keel cooler with a one-piece brazed header, 56% silver-brazed joints and Fernstrum's exclusive enhanced-interior tubing — the long-established choice of naval architects for closed-circuit engine cooling.
Equipment
OMEGA Clamp-On Laser Plate Heat Exchangers
Laser-plate jackets that clamp onto existing tanks and vessels to add heating or cooling — usually no welding on the tank and far cheaper than a new jacketed tank.
Equipment
OMEGA Laser Plate™
Laser-welded pillow plate (immersion plate) heat exchangers in stainless steel, duplex, nickel alloys or titanium — custom-built for cargo hold and tank heating, heat recovery and de-icing on ships and offshore units; supplied by R.W. Fernstrum with Omega Thermo Products.
System / Package
OMEGA Reinforced Laser Plate Banks for Cargo Hold Heating
Structurally reinforced stainless laser-plate heat-exchanger banks that replace failing pipe coils in barge and tanker cargo holds — built to survive sloshing loads in part-filled tanks while heating crude oil, caustic soda and other cargoes.
Equipment
OMEGA Suction & Bayonet Heaters
Flange-mounted laser-plate heaters inserted through the tank side: bayonet heaters for energy- and water-saving tank heating, and shrouded suction heaters that warm viscous cargo or fuel right at the pump suction.
Equipment
Stacked GRIDCOOLER® Keel Cooler
Two-tier (stacked or double-stacked) copper-nickel keel cooler that delivers more heat rejection in a smaller hull footprint — ideal for large engines and repowers.
Equipment
WEKA Boxcooler™
Uncoated 90/10 copper-nickel boxcooler mounted inside a sea chest — closed-circuit cooling for engines up to 10,000 kW with in-hull protection from ice, debris and grounding; built in the USA by R.W. Fernstrum under licence from WEKA Marine.
System / Package
WEKA Guard & WEKA Protector Type T – Boxcooler Protection System
Protection units exclusive to WEKA copper-nickel boxcoolers: the Guard shields the cooler from welding currents during construction; the Protector Type T guards against ICCP and stray currents in service and keeps the natural anti-fouling layer active — no ICAF needed.
Equipment
GRIDCOOLER® Keel Cooler – 5000 Series Aluminum
TIG-welded 5000-series aluminium keel cooler designed for unpainted aluminium hulls in fresh or cold seawater — alloy-matched to the hull to prevent galvanic pitting.