KYDB304 Type Marine Oil Centrifuge

About product

The KYDB304 Type Marine Oil Centrifuge is a high-speed centrifuge designed for both offshore and terrestrial applications. Its primary function is to remove water and solid particles, commonly referred to as sludge, from mineral oil. The centrifuge operates at high speeds to effectively separate the impurities from the oil. Clean oil is discharged continuously, ensuring a consistent supply of purified oil for various applications. On the other hand, the dirty residue, containing the separated water and solid particles, is discharged intermittently. This intermittent discharge allows for efficient removal of the accumulated sludge, ensuring optimal performance and longevity of the equipment.

  • processing light oil: 1.5-5.5est/40℃
  • diesel oil: 13cst/40℃
  • heavy fuel oil: 30-380CST/50℃
  • diesel engine or turbine lubricating oil

Additional information

Maximum permissible speed

9100 RPM

Discharge interval

2-60 minutes

Material temperature

0 ° C – +100 ° C

Ambient temperature

+5 ° C – +55 ° C

Maximum permissible density of liquid


Product Detail

The KYDB304 Type Marine Oil Centrifuge is a versatile equipment designed to handle various types of lubricating oil and low-viscosity fuel oil. It is capable of processing light oil with a viscosity range of 1.5-5.5est/40℃, marine diesel oil with a viscosity of 13cst/40℃, and intermediate to heavy fuel oil with a viscosity range of 30-380CST/50℃. It can also handle diesel engine or turbine lubricating oil.

The separator serves dual purposes as both a purifier and a clarifying machine. When used as a purifier, it continuously removes separated water from the oil and discharges it separately. This ensures the continuous purification of the oil, particularly when higher water content is present. However, in cases where the oil contains only a small amount of water, the separator can be used solely as a clarifying machine. In such instances, both the water and warning signals are discharged intermittently, optimizing the separation process based on the specific requirements of the oil being processed.

Marine Oil Centrifuge Drawing – KYDB304 Type

The Marine Oil Centrifuge consists of several main components that contribute to its operation and functionality. Here are the main components along with their corresponding inlet and outlet points:

kydb304 type marine oil centrifuge kydb304 type marine oil centrifuge

A) Motor: Provides power for the centrifuge’s operation.
B) Vertical Shaft: Connects the motor to the separation cylinder, transferring rotational motion.
C) Separation Cylinder: Where oil, water, and sludge separation occurs.
D) Flat Belt: Transmits power from the motor to the vertical shaft, enabling cylinder rotation.
E) Closing Water Tank: Contains water for sealing and maintaining separation efficiency.

Inlet and Outlet Points:
201) Oil Inlet: Entry point for oil to be processed.
220) Oil Outlet: Discharges clean, separated oil.
221, 222) Water/Sludge Outlet: Discharges separated water and sludge.
372) Opening Water Inlet: Inlet for water used to open and flush the separation cylinder.
373) Separation Cylinder Closing Water: Inlet for water used to seal and close the separation cylinder.
377) Overflow Port: Discharges excess fluid if the cylinder becomes overloaded.
462) Discharge Port: Used for specific component or material discharge.
463) Discharge Port: Another port for specific component or material discharge.

KYDB304 Type Marine Oil Centrifuge Parameter

Maximum densityFeed density1100 kg/m³
Precipitate2332 kg/m³
Power dissipationIdle0.9KW
Operation (maximum capacity)2.0KW
Synchronous separator cylinder speed9100/900050Hz/60Hz (RPM/min)
Speed of synchronous machine3000/360050Hz/60Hz (RPM/min)
Transmission ratio130:41 (50Hz)-
106:41 (60Hz)-
Start-up time3.5 - 4.5 min-
Stop timeDo not use brakes to slow down17 minutes on average
Use brakeMinimum 3 minutes, maximum 4 minutes
Maximum running time without trafficEmpty separator cylinder180 min
Filled separator cylinder180 min
Total volume/effective volume of sludge chamber1.0/0.3 L-
Separator liquid volume2.0 L-
Maximum inner diameter of separator cylinder215mm-
Fixed discharge volume1.2±0.1 L-
Lubricating oil volume0.5 L-
Sound pressure level75 dB (A)-
Acoustic power8.9 Bel (A)-
Vibration levelNew separatorMax. 4.6mm/ SEC
Separator in useMax. 8mm/ SEC
WeightA separator without motor185kg
Electric machine21kg
Whole separator cylinder33kg
Motor power3.0KW-
Know Who We Are

About our company

Zava Marine Corporation is a leading supplier of marine parts and components. With a strong focus on quality and customer satisfaction, we specialize in providing a comprehensive range of high-quality marine equipment and accessories. Our products include deck equipment, ship accessories, and various other essential components needed for smooth maritime operations.

With a global presence, we serve a diverse customer base, including shipbuilders, shipowners, offshore operators, and marine equipment distributors. We are committed to providing exceptional service and tailored solutions to meet our customers’ unique needs.


Zava Marine offers a comprehensive range of certifications for marine parts in accordance with international standards and regulations. These certifications include those provided by renowned marine classification societies such as Lloyd’s Register (LR), Bureau Veritas (BV), China Classification Society (CCS), Registro Italiano Navale (RINA), American Bureau of Shipping (ABS), Nippon Kaiji Kyokai (NK), and Det Norske Veritas – Germanischer Lloyd (DNV-GL). By collaborating with these esteemed societies, Zava Marine ensures that our certified marine parts meet the highest standards of safety, quality, and performance, instilling confidence in our reliability and compliance within the maritime industry.

The warranty provided by Zava Marine covers defects in materials and workmanship for a period of two years from the date of purchase. During this warranty period, if any marine parts purchased from Zava Marine exhibit issues or failures resulting from manufacturing defects or faulty materials, Zava Marine will take responsibility for repair or replacement of the affected parts. 

Zava Marine has recently opened new molds for European and North American clients, utilizing materials such as metal, ABS, PVC, and more. These successful mold opening projects allow us to provide customized marine parts and components that meet the specific requirements of our clients in these regions.

Typically, Zava Marine can ship samples within 7 days once the product drawing has been mutually confirmed by both parties. This efficient process ensures that customers can receive samples promptly, allowing them to assess the quality and suitability of the products.

Zava Marine frequently utilizes a wide range of materials in our projects. These materials include aluminum, stainless steel, carbon steel, copper, plastics, titanium, and PEEK (Polyether Ether Ketone). Each material offers unique properties and characteristics suitable for various marine applications. 

Yes, we provide customization services for marine parts. We understand that every project and application may have unique requirements, and we are committed to delivering tailored solutions. By collaborating closely with our clients, we can adapt our products to specific specifications, ensuring optimal fit, performance, and compatibility. Whether it’s modifying existing designs or creating entirely new parts, our customization services cater to the diverse needs of the maritime industry.

Absolutely! We offer product design and development services to support our clients’ needs. Our experienced team of engineers and designers can collaborate with clients from concept development to final product realization. By leveraging our expertise in marine engineering and design, we can provide valuable insights and innovative solutions. Whether it’s optimizing existing designs or creating entirely new products, we are equipped to assist clients in bringing their ideas to life efficiently and effectively.

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