SOLAS Ready
MK6 / MK7 continuously monitor crankcase oil-mist concentration and support early alarm with slow-down / shut-down protection.
Jenzon Tech
Marine ship parts for fleets and yards — core: Graviner MK6 / MK7
Marine spare-parts supply across major ship systems. Flagship line: original Graviner oil mist detectors with Poland origin, class certificates and quotation support.
Company
Built for shipowners, yards and engine builders
Jenzon Tech supplies marine engine safety equipment with a complete QC workflow. We welcome OEM / ODM custom orders where applicable, and support documentation for international deliveries.
About Jenzon Tech
Why choose us
Safety, compliance, lifecycle cost
Marine oil mist detection supply readiness for Southeast Asia, Singapore, Korea and Japan.
Class Certificates
Full class society coverage including DNV, LR, BV, KR, NK and CCS, aligned with IACS M67 / M10.
OEM / ODM
QC workflow and supply support for shipyards, distributors and fleet operators — including custom packages where applicable.
Flagship products
Graviner MK6 / MK7 Oil Mist Detector
Two Graviner systems for marine diesel crankcase protection: MK6 for proven multi-engine fleets, MK7 for digital ECR visibility and larger probe counts.
Proven marine protection
Graviner is a premium brand under Carrier Group. The manufacturing base is located in Poland, with more than 50 years of experience in marine crankcase oil-mist detection.
- MK6 classic model: direct-mount probes, up to 64 probes / 8 engines
- MK7 digital upgrade: touch display, up to 100 probes / 10 control units
- Low false-alarm optical scattering measurement for harsh engine rooms
- Modular spare parts for fast onboard replacement
Spare parts catalogue
Ship parts by category
Open a category keyword page, then enquire with maker references. Graviner MK6 / MK7 sit under oil mist detectors.
Oil Mist Detectors
Crankcase oil mist detection systems and related spare parts for main engines, auxiliaries and diesel gensets.
ViewEngine Parts
Main and auxiliary engine components for commercial vessels and land-based high-power diesel gensets.
ViewPumps & Valves
Pump and valve supply for engine-room, deck and cargo-related systems.
ViewFilters & Separators
Filtration and separation parts that keep fuel, lube oil and bilge systems within operating limits.
ViewElectrical & Automation
Electrical and automation components for engine control rooms and vessel power systems.
ViewDeck Machinery
Deck-side mechanical parts for commercial ships and offshore support vessels.
ViewFire & Safety
Fire detection and protection related marine spare parts for vessel compliance and readiness.
ViewSeals & Hoses
Sealing and hose consumables used across machinery spaces and service lines.
ViewHydraulic & Pneumatic
Hydraulic and pneumatic components for deck machinery, hatch systems and engine-room actuators.
ViewHVAC & Refrigeration
HVAC and refrigeration parts for accommodation comfort and provision cooling plants.
ViewApplications
From ocean fleets to land-based gensets
Quality & Traceability
International standards, clear origin
Goods are 100% original manufactured in Poland. China warehouse is a re-export transit location, not the place of origin.
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Need ship parts, Graviner OMD or fleet replacement?
Tell us vessel type, engine model and quantity. We respond with product options, lead time and supporting documents.