Services
Design & Consultations
Engineering, flow calculations & Designing
When it comes to designing of cooling systems on a vessel, you know all about the challenges of striking the right balance between contradictory requirements. And this is particularly true for boxcoolers where compactness vs cooling capacity is a big issue. Boxcoolers are available in fixed sizes, and we are dedicated to design the right boxcooler that fits your measurements. We will do the necessary modelling and flow calculations, to design the best cooling solution for you. .


Experienced Field Engineers
Our experienced field engineers are at your disposal
Weka offers commissioning, on-site (advisory & consulting) services for cooling and maritime systems. An experienced Weka engineer will visit your cooling system for consultancy purposes. All our services are delivered with an improvement/service report. Weka experienced engineers can assist you in finding a cost-efficient and effective solution.
The on-site service are:
- A cooling system status report, including a review of the system and potential items that need to be changed or even upgraded.
- Assistance onboard the ship at the time of the visit.
- Measurements in regard to MIC or stray current purposes.
Class Testing
All our projects are class tested on request
Upon request the Keel Coolers can be supplied with a test certificate of one of the well-known classification societies. For example, ABS, Bureau Veritas, DNV-GL, Lloyds Register of Shipping, RINA, RMRS, RRR and various others upon request.

Repair & Cleaning
Boxcoolers, heat exchangers and other coolers
Weka is also specialized in repair and cleaning of box coolers, heat exchangers and bottom type coolers.Our own fabrication facility is capable of producing, repair and clean several types of coolers, within a short delivery time guaranteed.
The repair and cleaning services consists of the following activities:
Re-tubing, Replacement of tube-sheets, Reproduction element according to example or drawing, Reproduction according to example or drawing, Repair and recoating, New sealing kits, Pressure test / Class test

Spare Parts
Your partner in spare parts
It is always advisable to have vital parts readily available in case of component failure, or at least to be aware of the exact technical specifications of relevant parts.
Weka ensures complete spare part handling for all material handling systems. For each material handling system commissioned, we offer a list of recommended spare parts. One of our main points of focus is the delivery of spare parts at short notice to almost anywhere in the world in order to avoid costly down times. If you have any questions about spare parts or wish to receive an offer for spare parts, we will be pleased to assist you. Weka can also offer the spare part packages customised for your cooling solution.
Happy anniversary Leen – 40 years of service
Leen Leentfaar has been working for Weka for forty years! Leen's family has involved with Weka since its founding in 1957. His father, who was known as Fump and one of the first employees of the Weka company. On February 9, 1981, Leen also joined the company. Since...
We are on the move!
Weka Marine has grown! Since 8 July 2004 Weka has always been located in Krimpen A/D IJssel right next to the city of Rotterdam. The production location has always been industrieweg 8. In these 16 years Weka has grown, expanded and outgrown its business. Since the...