SJ15F Brass Impeller SJ Series Oil Purifier Marine Spare Parts

SJ15F Brass Impeller SJ Series Oil Purifier Marine Spare Parts is a critical core flow conveying component for marine SJ15F oil purifiers. Made of high-quality brass and corrosion-resistant materials, it ensures stable liquid circulation and efficient centrifugal separation inside the purifier, maintaining standard oil purification performance. It features precise dimensional accuracy, stable structural performance and excellent wear resistance, suitable for routine servicing, shipyard overhaul and fault repair under marine harsh working conditions.

A well-matched brass impeller stabilizes purifier operating efficiency, prevents flow disorder and purification failure, reduces component failure risks and equipment downtime, and ensures efficient and reliable operation of marine SJ15F oil purifiers. Please provide equipment model, specifications and part number before ordering to confirm compatibility.

Function of SJ15F Brass Impeller SJ Series Oil Purifier Marine Spare Parts

Fluid Driving & Medium Transfer for SJ15F Marine Disc‑Type Oil Purifier

SJ15F brass impeller is the critical rotating flow‑driving component specially designed for SJ15F marine fuel and lube oil purifier. Made of brass alloy, it rotates together with the separator shaft to drive oil‑water mixed medium feeding and internal circulation inside the purifier unit. It stabilizes inlet flow rate and guarantees uniform medium delivery into separating bowl for centrifugal purification. Under long‑term high‑speed rotation, fuel erosion and marine salt‑fog corrosion, the impeller may suffer surface abrasion, blade wear, cavitation erosion and deformation. Damaged impeller leads to unstable feed flow, insufficient medium delivery capacity, abnormal purifier vibration and degraded oil separation effect. Replacing with brand‑new SJ15F brass impeller restores rated flow performance and smooth running status of the SJ15F oil purifier.

Role in Vessel Oil‑Treatment System Operation

The brass impeller provides stable circulating power for purifier feeding system. Reliable rotating performance ensures steady and even incoming oil flow into separation bowl, creates favorable working condition for centrifugal sedimentation of water, sludge and solid impurities. Stable medium transfer keeps consistent purification efficiency, supplies qualified clean fuel and lubricating oil for main engine and auxiliary engines during open‑sea navigation and port berthing. It avoids purifier flow fluctuation, abnormal vibration and unplanned shutdown, protecting engine components from contaminated oil damage.

Materials for SJ15F Brass Impeller Components

High‑Quality Cast Brass Alloy with Anti‑Corrosion & Cavitation‑Resistant Property

SJ15F impeller adopts high‑strength cast brass material, featuring excellent anti‑corrosion performance against fuel oil, lube oil and salt‑containing marine medium. Good ductility and structural rigidity resist high‑speed centrifugal force and medium cavitation erosion. Precision integral casting reduces internal porosity and sand hole defects. Surface anti‑oxidation treatment adapts to humid marine operating environment. All material indexes comply with SJ series oil purifier OEM technical specifications.

Machining Tolerances and Surface Finish

Each SJ15F brass impeller is strictly manufactured according to OEM drawing standards. Impeller blade profile, hub bore size and key‑way position are precisely machined. Dynamic balance calibration is carried out to eliminate eccentric vibration under high‑speed rotation. Smooth blade surface reduces flow resistance and impurity adhesion risk. Precise shaft‑hole matching tolerance guarantees coaxial installation with purifier main shaft. Standard mounting dimension supports direct drop‑in replacement without on‑site cutting or modification.

Compatible Oil Separator Models

Supported SJ Series

SJ15F marine fuel & lube oil purifier

Compatible reference: SJ10F, SJ20F, SJ30G, SJ40G, SJ50G

Multi‑Brand Compatible Models

Additional Marine Spare Parts

Matching with SJ15F brass impeller, we supply full‑range spare parts for SJ series oil purifiers, air compressors and turbocharger series, including centripetal pump, purifier main cylinder, bowl gaskets, O‑ring seals, overhaul repair kits, disc stacks, operating slides, desludging valve assemblies, valve plates, valve springs, piston rings, cylinder liners, turbine wheels, compressor impellers, nozzle rings, bearing bushes, thrust bearings and other marine accessories.

Quality Control and Certification for SJ15F Brass Impeller

Inspection Procedures Before Dispatch

Each batch completes raw material composition test, dimensional tolerance inspection, appearance defect checking and high‑speed dynamic balance detection. All inspection records are fully archived and can be provided for enterprise customer review and vessel audit.

Classification Society Compliance

SJ15F brass impeller can be supplied with CCS Type Approval documentation as required, satisfying international maritime standards for vessel classification survey and dry‑dock inspection.

Applications for SJ15F Brass Impeller Replacements

Main Engine Fuel / Lube Oil Purifier Overhaul

Brass impeller is a key rotating wearing part for SJ15F oil purifier. Long‑time high‑speed running, medium scouring and cavitation erosion will cause blade thinning, pitting corrosion and deformation, resulting in flow drop, unit vibration and poor separation performance. Severe damage may trigger abnormal noise and purifier failure. Installing brand‑new SJ15F brass impeller restores stable feeding flow and original separator working performance.

Auxiliary Engine Oil‑Treatment System Maintenance

SJ15F oil purifiers for auxiliary engine oil processing require periodic inspection of impeller condition. Especially for vessels burning poor‑quality heavy fuel and sailing in coastal salt‑fog waters, timely replacement avoids secondary damage to shaft and bearing components, ensures continuous stable oil purification for safe ship navigation.

FAQ About SJ15F Brass Impeller SJ Series Oil Purifier Marine Spare Parts

Which purifier models fit this SJ15F brass impeller?

This brass impeller is specially designed for SJ15F marine oil purifier, also compatible with partial SJ‑F series separator units. Please provide equipment model or original part number for accurate compatibility confirmation.

Are CCS certification documents available with each order?

CCS Type Approval certificates can be offered according to customer requirements to support ship inspection and dry‑dock audit.

What is the typical lead time for SJ15F brass impeller orders?

Standard SJ15F brass impellers are in stock and can be dispatched within 7‑10 working days after order confirmation. Non‑standard customized items need extra production cycle.

Can impellers be customized according to drawings or samples?

Yes, we support custom manufacturing according to customer technical drawings or physical samples. Strict dynamic balance test and full‑dimension inspection will be finished before delivery to guarantee assembly matching and stable rotating performance.