DEO
Ningbo DEO Machinery Co., Ltd.
Manufacturer of cooling systems for gearboxes and industrial drives: air oil coolers (DFL, DFLA, DFLEX, DFLH, DFT, DFQ, DEK, EC, AH), plate heat exchangers, self-circulating coolers (DELP, DELS, DEG, DWS, DWG), external gear oil pumps (DK25/DK80/DK150A), pressure relief valves, flowmeters, magnetic couplings. 25+ years of design expertise, 19 patents (3 invention + 16 utility model), 20% of profit invested into R&D. 7,000+ enterprise clients including Nanjing High Accurate Drive Group and Dongfeng Motor.
Special Drive Solutions (SDS)
Air Oil Coolers for Gearboxes
Full range of DEO air oil coolers for industrial gearboxes and hydraulic systems: DFL (standard), DFLA (compact), DFLEX (explosion-proof ExdI/ExdII), DFLH (high-temperature up to 130 °C), DFT (tubular), DFQ, DEK, EC and AH. Motors 3~ 220/380/660/1140 V, versions for wind power, metallurgy and mining equipment.
Brass-Soldered Plate Oil/Water Coolers
Plate oil/water heat exchangers: copper-brazed DW (7 sizes, DW-01…DW-07) and detachable DWD. Compact design, high specific heat-transfer area, quick assembly/service. Used in gearbox oil stations, rolling-mill hydraulics and compressor stations.
Self-Circulating Oil Coolers
Oil coolers with built-in self-circulation — no external oil pump required. Five series: air-cooled DELP and DELS, combined DEG, water-cooled DWS and DWG. Used on gearboxes without forced lubrication, slow-speed hoists and mill drives.
Gear Oil Pumps
Gear oil pumps for gearbox lubrication and hydraulic power units: external-gear DK25, DK80 and DK150A, motor-pump assemblies, variable-displacement and internal-gear versions. Wide range of flow and pressure ratings, long service life on industrial oils.
FAQ — DEO
What equipment does SDS supply from DEO?
SDS delivers the full DEO product range including special drive solutions (sds). Detailed series, sizes and technical specifications are available on this page; full PDF catalogues can be downloaded from the Catalogues section.
In which industries is DEO equipment used?
DEO equipment is applied in metallurgy, mining & mineral processing, cement industry and power generation and other industries. We select a specific model for your duty cycle, load profile, working environment and ambient conditions.
What is the warranty and lead time for DEO?
Standard manufacturer warranty — 12 months from commissioning, no more than 18 months from shipment. Production lead time is 4–16 weeks depending on specification (the equipment is manufactured in China, Zhejiang Province, Ningbo). Delivery to Russia is by road transport. Detailed terms are on the Terms of Cooperation page.
How to order DEO equipment from SDS?
Send a technical request with operating parameters and requirements. Within one business day we prepare a technical-commercial proposal with firm pricing and delivery schedule. Default Incoterms — DDP (with EAEU certification and customs clearance included).
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