Oil Cooler

Oil Cooler Bloksma NF


We introduce a new type of oil cooler, the NF type. It combines the advantages of the standardized non-welded, plate-finned PF oil cooler and the more extended possibilities of the Bloksma N-type with a welded construction.

  • Bloksma NF oil cooler
    Bloksma NF oil cooler
  • Bloksma NF oil cooler
    Bloksma NF oil cooler
  • Bloksma NF oil cooler
    Bloksma NF oil cooler

The Bloksma PF oil cooler has a tube bundle with plate fins on the outside (= oil side). The very large heat exchange surface around the tubes results in a very efficient, compact oil cooler. With its rigid shell and tube construction, this heat exchanger challenges the plate heat exchangers, as the dimensions are similarly small and servicing is much easier.

For the NF-type, this bundle technology is now transferred into a non standardized welded shell. This enables usto design compact coolers which are very flexible regarding design codes, connections and customer needs.

From the outside, the NF type looks like any ordinary shell and tube heat exchanger. Inside however the Bloksma revolutionary and long time proven plate finned technology is implemented.

The Bloksma NF Series offers cost effectiveness at compact dimensions and low pressure drop and low operational costs.

Bloksma NF-Series Construction


NF Model
Shell size (OD, mm)
1 or 2
1 or 2
1 or 2
1 or 2


CuNi 90/10, Stainless Steel (316L)
Tube sheets
Seawater resistant brass, Stainless Steel (316L)
Fins & baffles
Carbon Steel
Carbon Steel, Carbon Steel coated, Carbon Steel rubber lined
  • CE/PED
  • ASME / U-Stamp
  • All major Marine Classification Societies
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