DESMI

DESMI A/S · Founded 1834 · Nørresundby, Denmark

DESMI is a premium Danish manufacturer founded in 1834 that specializes in high-efficiency marine pumping systems. The brand is globally recognized for engineering rugged, energy-saving engine room machinery capable of handling heavy continuous use in harsh sea environments. Their diverse technology catalog includes widely used centrifugal water pumps, self-priming bilge units, and internal gear pumps for viscous fuel transfer. Today, DESMI remains a baseline standard for commercial vessel operators, shipyards, and fleet procurement managers who prioritize structural longevity and low long-term maintenance costs.

Series

NSL Series

Inline centrifugal pump

28 models · From NSL 80-215 to NSL 350-525
SL Series

Established Inline Pump

27 models · From SL 65-215 to SL 300-415
ROTAN Series

Internal gear pump

11 models · From ROTAN HD 26 to ROTAN HD 201
S/S-N Series

Self-priming water pump

16 models · From S32-25-110 to S125-80-275
SA/NSA Series

Self-priming waste pump

13 models · From SA-20-90 to NSA 80-250
DSL Series

Double-suction ballast pump

14 models · From DSL 150-265 to DSL 500-515

Don't see the series or exact model? Send us your vessel details and the pump nameplate, and we'll confirm whether we can source it.