"> Mitsubishi Kakoki Kaisha / MHI (Japan) SJ Hi-Sep Series
OceanSphere
Engines
⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
🔧 1 verified suppliers & service companies for Mitsubishi Kakoki Kaisha / MHI (Japan) in the Maritime Network Find suppliers →
Is Mitsubishi Kakoki Kaisha / MHI (Japan) your company? Claim this page
Mitsubishi Kakoki Kaisha / MHI (Japan)

SJ Hi-Sep Series

The SJ Hi-Sep series is MKK/MHI's answer to Alfa Laval's ALCAP technology. It features integrated water content detection and automatic phase separation without gravity disc. Introduced approximately 2010 on Japanese and Korean newbuilds. The T variant (Transducer) replaces the manual gravity disc adjustment of the older SJ-F series.

Mitsubishi Kakoki Kaisha / MHI (Japan) SJ Hi-Sep Series
1,500-20,000 l/h
Capacity
Fuel Oil / Lube Oil
Medium

Components & Design

Component data being added…

Technical Data

type Disc-Stack Centrifugal Separator with integrated water detection
variant count approx 4
period start year 2010
drive type Electric
construction Stainless steel bowl, integrated water transducer

🤖 Ask about this model

One free question — answered like a marine engineer. No account needed.

Common failures & inspection points

●Water detection transducer calibration drift after 2 years
●Touchscreen HMI failure from vibration exposure
●Bowl vibration from disc stack imbalance after 6,000-8,000 hrs

Service & Maintenance

Bowl overhaul every 8,000 hrs. Water transducer calibration every 6 months. Remote monitoring via MHI Marine Connect optional.

Suppliers & Spare Parts

Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.

📄 Request sourcing links & documents
🛠 Manage this equipment in your fleet

Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.

Start free trial →
🔎 Suppliers & service for this equipment

Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.

Maritime Network →

Replacement Parts

MHI proprietary — no third-party alternatives. Keep onboard: O-ring kit, transducer spare. Lead time: 3-6 weeks via MHI network.
Working on this unit?
Log hours, photos and findings into an invoice-ready service report — OceanSphere Marine, 14-day free trial.
Need a service partner for Mitsubishi Kakoki Kaisha / MHI (Japan)?
114,000+ shipyards, suppliers and service companies in the Maritime Network directory.
Equipment Model #37659 · ✓ still in production