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Also listed under Pumps (321 models)

Cargo Pump (Deepwell)

critical IMO Required 39 / 39 models (Inspector)

A deepwell cargo pump sits submerged at the bottom of the tank with its impeller driven by a long vertical shaft or hydraulic motor from deck level, discharging cargo without the suction-lift limits that keep a deck-mounted centrifugal pump from stripping a tank dry.

Read more — Cargo Pump (Deepwell) explained

What Makes a Deepwell Pump Different

A deepwell cargo pump places the pumping element itself down in the tank, near the bottom, and drives it either through a long vertical shaft running up to a deck-mounted motor or, on hydraulic deepwell pumps, through a submerged hydraulic motor fed by hydraulic power lines from a deck-level power pack. Either way the impeller works close to the liquid it is moving instead of drawing it up through a suction line from a pump room, which is what a conventional centrifugal cargo pump does. That difference matters at the end of discharge: a deck-mounted pump loses suction once liquid level falls below what its NPSH (net positive suction head) allows, leaving cargo behind, while a deepwell pump keeps working down to a very low residual level, which is why deepwell pumps dominate on product and chemical tankers where stripping tanks close to dry matters for cargo purity and quantity.

Deepwell cargo pump section
Vertical section through a tanker cargo tank showing a deepwell pump: deck-mounted hydraulic motor, long column pipe carrying the line shaft and discharge, the submerged pump bowl at the tank bottom and the suction bellmouth.

Main Components

Submerged pump unit

The impeller and pump casing sit at the tank bottom in a sump or well, positioned to draw cargo down to the lowest practical level.

Drive shaft or hydraulic motor

Mechanical deepwell pumps use a long line shaft in a shaft tube running from the submerged impeller up through the tank to a deck-mounted electric motor; hydraulic deepwell pumps instead use a submerged hydraulic motor supplied by high-pressure hydraulic oil piped down from deck.

Hydraulic power pack

On hydraulic units, the deck-mounted pumps, reservoir, filters and control valves that supply and regulate hydraulic oil flow, and therefore pump speed, to each submerged motor.

Stripping and eductor arrangement

Many deepwell installations include a stripping system, sometimes an eductor, to remove the final residual liquid the main pump cannot reach.

Tank cleaning and gas-freeing interfaces

The pump column and its penetration through the tank top are also the route for tank cleaning machine lines and gas-freeing arrangements on many designs, so the installation is not just a pump but a structural part of the tank fitting.

Selection and Sizing

  • Capacity and discharge head matched to the manifold pressure and shore or ship-to-ship discharge rate required by the trade
  • Cargo compatibility of wetted materials, stainless steel or duplex for aggressive chemical cargoes, different seal and gasket materials by cargo type
  • Stripping capability and the residual quantity the trade or cargo specification allows to be left on board
  • Hydraulic versus mechanical drive, weighed against the ship's existing hydraulic power infrastructure and maintenance access to a long line shaft

Regulations and Class

MARPOL Annex II governs the residual quantity of noxious liquid substances that may remain on board after discharge and stripping, which directly drives the performance requirement placed on the pump and its stripping system. Classification society rules cover the pump room and cargo tank penetration arrangements, including gas-tight sealing where the shaft or hydraulic lines pass through the tank top, and require periodic survey of the cargo pumping system as part of the tanker's class renewal.

Typical Faults

FaultCauseConsequence
Loss of stripping performanceWorn impeller clearances, air ingress at low tank levelCargo left on board above allowable residual, off-hire disputes
Shaft seal leakage at deck penetrationWorn mechanical seal, misalignment of a long line shaftCargo vapour escape at deck level, potential gas hazard
Hydraulic system contaminationWater or particulate ingress into hydraulic oilErratic pump speed, motor wear, filter clogging across multiple pumps sharing the power pack
Line shaft vibration or bearing wearMisalignment or worn line-shaft bearings over a long vertical runIncreased noise and wear, risk of shaft failure if undetected

What to Look for in a Supplier

  • Wetted-parts material certification matching the cargo grades the ship is intended to carry, including chemical compatibility data
  • Documented stripping performance and residual quantity figures, verifiable against MARPOL Annex II requirements
  • Spares support for line-shaft bearings, seals and hydraulic components appropriate to the ship's trading pattern
  • Proven track record on the specific cargo types the vessel will carry, since chemical and product tankers place very different demands on the same pump family

A deepwell pump's true test is not how fast it discharges a full tank but how little it leaves behind at the end; track stripping performance over time, since a slow decline is the first sign of impeller wear long before the pump alarms on anything.

8000h
Service Interval

Typical Manufacturers

Framo Marflex Shinko
Inspector Mode Show All 39 / 39 with inspector value

25 manufacturers · 39 models

Framo

8
Framo Framo SD 250-8 Deepwell Pump
Framo SD 250-8 Deepwell Pump
500 m³/h at 130 mLC · Marine Equipment · hydraulic‑driven submerged centrifugal pump
Series
SD
Common Failures & Inspection Points
  • Area: Mechanische Dichtungs-Verschleiß und Undichtheiten
    Check: Cofferdam regelmäßig (vor/nach jedem Laden, alle 2 Wochen) spülen, Leckage-Rate überwachen; Erhöhte Leckage (>10 ml/h) erfordert sofortige Inspektion und Dichtungswechsel
  • Area: Abnutzung der Verschleißringe durch Cargo-Partikel und Betriebsstunden
    Check: Förderleistung testen; Schlechte Strippleistung = abgenutzte Verschleißringe; Ölvolumenstrom überprüfen bei Parallel-Betrieb
  • Area: Cofferdam-Blockierung und Leckageüberwachungs-Ausfall
    Check: Cofferdam-Öffnung müssen frei sein; Blockierte Punkte = Pumpe nicht verwendbar bis Behebung; Purge-Luft/Stickstoff prüfen
  • Area: Hydrauliköl-Temperatur-Anstieg und Öl-Degradation durch Lager-Reibung
    Check: Hydrauliköl-Temperatur am Rücklauf-Filter-Cooler überwachen; Temperaturalarm (>60°C typ.) setzen; Cooler-Leistung und Wasser-Durchfluss kontrollieren
  • Area: Korrosion von Edelstahl-Oberflächen durch Meerwasser-Exposition und Chlorid-Ablagerungen
    Check: Regelmäßige Reinigung der Edelstahl-Komponenten; Zink-Anoden (bei Ballast-Modellen) auf Verschleiß prüfen; Oberflächenverfärbung/Lochfraß untersuchen

Inspektions-/Wartungspunkte der Framo SD-Serie (serien-universell, framo.com + marineengineeringonline, 2026-06).

Service: Hydraulic oil analysis every 2000 hrs. Shaft seal renewal every 5 years or at class survey.
Spare Parts: Framo: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.
Strengths
  • All‑stainless steel construction gives excellent corrosion resistance in marine environments
  • Mechanical seal with double‑lip cargo seal limits leakage to ≤0.5 L/day, meeting IMO Annex II requirements
  • Integrated stripping system enables self‑priming tank cleaning without external equipment
  • Speed‑Torque‑Control (STC) valve provides smooth, stepless capacity regulation and energy efficiency
  • Ventilated cofferdam allows continuous leak monitoring and early detection of seal wear
Weaknesses
  • Requires a dedicated hydraulic power unit; space and weight penalties compared with electric drives
  • Seal and wear‑ring life are sensitive to cargo particulates – frequent inspection is mandatory
  • Cofferdam must be purged regularly; blockage or purge‑air failure renders the pump inoperable
  • Hydraulic oil temperature must be closely monitored; overheating can accelerate bearing wear
  • Flow range is fixed by pump size (SD 250) and may be insufficient for very high‑capacity tankers
Typical Vessels: Crude Oil TankerProduct TankerChemical Tanker (compatible cargoes)LNG/LPG carriers with diesel‑oil ballast systems (where deepwell pumps are used for ballast)
Certifications: IMO D‑2 (Annex II compliant stripping system)DNV GL Type Approval (standard for Framo SD series)
Decision Guide: Choose if the vessel needs a reliable submerged pump with low cargo leakage, built‑in stripping to satisfy IMO Annex II and benefits from hydraulic variable speed control. Avoid if the ship lacks sufficient hydraulic power capacity, prefers an all‑electric drive, or transports highly abrasive cargoes that would accelerate wear‑ring erosion.
Use Cases: Installed in the cargo tanks of crude and product tankers for loading, discharge, ballast transfer and post‑discharge stripping to meet environmental regulations. Frequently used on newbuilds where space for a cofferdam and hydraulic power unit is allocated during design.
Framo Framo SD100 Deepwell Cargo Pump
Framo SD100 Deepwell Cargo Pump
100 m³/h · Crude oil / petroleum products
Pump Type
deepwell_submerged
Flow (m³/h)
100
Series
SD
Medium
crude_oil/products
Common Failures & Inspection Points
  • Area: Mechanische Dichtungs-Verschleiß und Undichtheiten
    Check: Cofferdam regelmäßig (vor/nach jedem Laden, alle 2 Wochen) spülen, Leckage-Rate überwachen; Erhöhte Leckage (>10 ml/h) erfordert sofortige Inspektion und Dichtungswechsel
  • Area: Abnutzung der Verschleißringe durch Cargo-Partikel und Betriebsstunden
    Check: Förderleistung testen; Schlechte Strippleistung = abgenutzte Verschleißringe; Ölvolumenstrom überprüfen bei Parallel-Betrieb
  • Area: Cofferdam-Blockierung und Leckageüberwachungs-Ausfall
    Check: Cofferdam-Öffnung müssen frei sein; Blockierte Punkte = Pumpe nicht verwendbar bis Behebung; Purge-Luft/Stickstoff prüfen
  • Area: Hydrauliköl-Temperatur-Anstieg und Öl-Degradation durch Lager-Reibung
    Check: Hydrauliköl-Temperatur am Rücklauf-Filter-Cooler überwachen; Temperaturalarm (>60°C typ.) setzen; Cooler-Leistung und Wasser-Durchfluss kontrollieren
  • Area: Korrosion von Edelstahl-Oberflächen durch Meerwasser-Exposition und Chlorid-Ablagerungen
    Check: Regelmäßige Reinigung der Edelstahl-Komponenten; Zink-Anoden (bei Ballast-Modellen) auf Verschleiß prüfen; Oberflächenverfärbung/Lochfraß untersuchen

Inspektions-/Wartungspunkte der Framo SD-Serie (serien-universell, framo.com + marineengineeringonline, 2026-06).

SD-series deepwell pump for tanker cargo service
Framo Framo SD150 Deepwell Cargo Pump
Framo SD150 Deepwell Cargo Pump
150 m³/h · Crude oil / petroleum products
Pump Type
deepwell_submerged
Flow (m³/h)
150
Series
SD
Medium
crude_oil/products
Common Failures & Inspection Points
  • Area: Mechanische Dichtungs-Verschleiß und Undichtheiten
    Check: Cofferdam regelmäßig (vor/nach jedem Laden, alle 2 Wochen) spülen, Leckage-Rate überwachen; Erhöhte Leckage (>10 ml/h) erfordert sofortige Inspektion und Dichtungswechsel
  • Area: Abnutzung der Verschleißringe durch Cargo-Partikel und Betriebsstunden
    Check: Förderleistung testen; Schlechte Strippleistung = abgenutzte Verschleißringe; Ölvolumenstrom überprüfen bei Parallel-Betrieb
  • Area: Cofferdam-Blockierung und Leckageüberwachungs-Ausfall
    Check: Cofferdam-Öffnung müssen frei sein; Blockierte Punkte = Pumpe nicht verwendbar bis Behebung; Purge-Luft/Stickstoff prüfen
  • Area: Hydrauliköl-Temperatur-Anstieg und Öl-Degradation durch Lager-Reibung
    Check: Hydrauliköl-Temperatur am Rücklauf-Filter-Cooler überwachen; Temperaturalarm (>60°C typ.) setzen; Cooler-Leistung und Wasser-Durchfluss kontrollieren
  • Area: Korrosion von Edelstahl-Oberflächen durch Meerwasser-Exposition und Chlorid-Ablagerungen
    Check: Regelmäßige Reinigung der Edelstahl-Komponenten; Zink-Anoden (bei Ballast-Modellen) auf Verschleiß prüfen; Oberflächenverfärbung/Lochfraß untersuchen

Inspektions-/Wartungspunkte der Framo SD-Serie (serien-universell, framo.com + marineengineeringonline, 2026-06).

SD-series deepwell pump for tanker cargo service
Framo Framo SD200 Deepwell Cargo Pump
Framo SD200 Deepwell Cargo Pump
200 m³/h · Crude oil / petroleum products
Pump Type
deepwell_submerged
Flow (m³/h)
200
Series
SD
Medium
crude_oil/products
Common Failures & Inspection Points
  • Area: Mechanische Dichtungs-Verschleiß und Undichtheiten
    Check: Cofferdam regelmäßig (vor/nach jedem Laden, alle 2 Wochen) spülen, Leckage-Rate überwachen; Erhöhte Leckage (>10 ml/h) erfordert sofortige Inspektion und Dichtungswechsel
  • Area: Abnutzung der Verschleißringe durch Cargo-Partikel und Betriebsstunden
    Check: Förderleistung testen; Schlechte Strippleistung = abgenutzte Verschleißringe; Ölvolumenstrom überprüfen bei Parallel-Betrieb
  • Area: Cofferdam-Blockierung und Leckageüberwachungs-Ausfall
    Check: Cofferdam-Öffnung müssen frei sein; Blockierte Punkte = Pumpe nicht verwendbar bis Behebung; Purge-Luft/Stickstoff prüfen
  • Area: Hydrauliköl-Temperatur-Anstieg und Öl-Degradation durch Lager-Reibung
    Check: Hydrauliköl-Temperatur am Rücklauf-Filter-Cooler überwachen; Temperaturalarm (>60°C typ.) setzen; Cooler-Leistung und Wasser-Durchfluss kontrollieren
  • Area: Korrosion von Edelstahl-Oberflächen durch Meerwasser-Exposition und Chlorid-Ablagerungen
    Check: Regelmäßige Reinigung der Edelstahl-Komponenten; Zink-Anoden (bei Ballast-Modellen) auf Verschleiß prüfen; Oberflächenverfärbung/Lochfraß untersuchen

Inspektions-/Wartungspunkte der Framo SD-Serie (serien-universell, framo.com + marineengineeringonline, 2026-06).

SD-series deepwell pump for tanker cargo service
Framo Framo SD250 Deepwell Cargo Pump
Framo SD250 Deepwell Cargo Pump
250 m³/h · Crude oil / petroleum products
Pump Type
deepwell_submerged
Flow (m³/h)
250
Series
SD
Medium
crude_oil/products
Common Failures & Inspection Points
  • Area: Mechanische Dichtungs-Verschleiß und Undichtheiten
    Check: Cofferdam regelmäßig (vor/nach jedem Laden, alle 2 Wochen) spülen, Leckage-Rate überwachen; Erhöhte Leckage (>10 ml/h) erfordert sofortige Inspektion und Dichtungswechsel
  • Area: Abnutzung der Verschleißringe durch Cargo-Partikel und Betriebsstunden
    Check: Förderleistung testen; Schlechte Strippleistung = abgenutzte Verschleißringe; Ölvolumenstrom überprüfen bei Parallel-Betrieb
  • Area: Cofferdam-Blockierung und Leckageüberwachungs-Ausfall
    Check: Cofferdam-Öffnung müssen frei sein; Blockierte Punkte = Pumpe nicht verwendbar bis Behebung; Purge-Luft/Stickstoff prüfen
  • Area: Hydrauliköl-Temperatur-Anstieg und Öl-Degradation durch Lager-Reibung
    Check: Hydrauliköl-Temperatur am Rücklauf-Filter-Cooler überwachen; Temperaturalarm (>60°C typ.) setzen; Cooler-Leistung und Wasser-Durchfluss kontrollieren
  • Area: Korrosion von Edelstahl-Oberflächen durch Meerwasser-Exposition und Chlorid-Ablagerungen
    Check: Regelmäßige Reinigung der Edelstahl-Komponenten; Zink-Anoden (bei Ballast-Modellen) auf Verschleiß prüfen; Oberflächenverfärbung/Lochfraß untersuchen

Inspektions-/Wartungspunkte der Framo SD-Serie (serien-universell, framo.com + marineengineeringonline, 2026-06).

SD-series deepwell pump for tanker cargo service
Framo Framo SD300 Deepwell Cargo Pump
Framo SD300 Deepwell Cargo Pump
300 m³/h · Crude oil / petroleum products
Pump Type
deepwell_submerged
Flow (m³/h)
300
Series
SD
Medium
crude_oil/products
Common Failures & Inspection Points
  • Area: Mechanische Dichtungs-Verschleiß und Undichtheiten
    Check: Cofferdam regelmäßig (vor/nach jedem Laden, alle 2 Wochen) spülen, Leckage-Rate überwachen; Erhöhte Leckage (>10 ml/h) erfordert sofortige Inspektion und Dichtungswechsel
  • Area: Abnutzung der Verschleißringe durch Cargo-Partikel und Betriebsstunden
    Check: Förderleistung testen; Schlechte Strippleistung = abgenutzte Verschleißringe; Ölvolumenstrom überprüfen bei Parallel-Betrieb
  • Area: Cofferdam-Blockierung und Leckageüberwachungs-Ausfall
    Check: Cofferdam-Öffnung müssen frei sein; Blockierte Punkte = Pumpe nicht verwendbar bis Behebung; Purge-Luft/Stickstoff prüfen
  • Area: Hydrauliköl-Temperatur-Anstieg und Öl-Degradation durch Lager-Reibung
    Check: Hydrauliköl-Temperatur am Rücklauf-Filter-Cooler überwachen; Temperaturalarm (>60°C typ.) setzen; Cooler-Leistung und Wasser-Durchfluss kontrollieren
  • Area: Korrosion von Edelstahl-Oberflächen durch Meerwasser-Exposition und Chlorid-Ablagerungen
    Check: Regelmäßige Reinigung der Edelstahl-Komponenten; Zink-Anoden (bei Ballast-Modellen) auf Verschleiß prüfen; Oberflächenverfärbung/Lochfraß untersuchen

Inspektions-/Wartungspunkte der Framo SD-Serie (serien-universell, framo.com + marineengineeringonline, 2026-06).

SD-series deepwell pump for tanker cargo service
Framo Framo SD350 Deepwell Cargo Pump
Framo SD350 Deepwell Cargo Pump
350 m³/h · Crude oil / petroleum products
Pump Type
deepwell_submerged
Flow (m³/h)
350
Series
SD
Medium
crude_oil/products
Common Failures & Inspection Points
  • Area: Mechanische Dichtungs-Verschleiß und Undichtheiten
    Check: Cofferdam regelmäßig (vor/nach jedem Laden, alle 2 Wochen) spülen, Leckage-Rate überwachen; Erhöhte Leckage (>10 ml/h) erfordert sofortige Inspektion und Dichtungswechsel
  • Area: Abnutzung der Verschleißringe durch Cargo-Partikel und Betriebsstunden
    Check: Förderleistung testen; Schlechte Strippleistung = abgenutzte Verschleißringe; Ölvolumenstrom überprüfen bei Parallel-Betrieb
  • Area: Cofferdam-Blockierung und Leckageüberwachungs-Ausfall
    Check: Cofferdam-Öffnung müssen frei sein; Blockierte Punkte = Pumpe nicht verwendbar bis Behebung; Purge-Luft/Stickstoff prüfen
  • Area: Hydrauliköl-Temperatur-Anstieg und Öl-Degradation durch Lager-Reibung
    Check: Hydrauliköl-Temperatur am Rücklauf-Filter-Cooler überwachen; Temperaturalarm (>60°C typ.) setzen; Cooler-Leistung und Wasser-Durchfluss kontrollieren
  • Area: Korrosion von Edelstahl-Oberflächen durch Meerwasser-Exposition und Chlorid-Ablagerungen
    Check: Regelmäßige Reinigung der Edelstahl-Komponenten; Zink-Anoden (bei Ballast-Modellen) auf Verschleiß prüfen; Oberflächenverfärbung/Lochfraß untersuchen

Inspektions-/Wartungspunkte der Framo SD-Serie (serien-universell, framo.com + marineengineeringonline, 2026-06).

SD-series deepwell pump for tanker cargo service
Framo Framo SD400 Deepwell Cargo Pump
Framo SD400 Deepwell Cargo Pump
400 m³/h · Crude oil / petroleum products
Pump Type
deepwell_submerged
Flow (m³/h)
400
Series
SD
Medium
crude_oil/products
Common Failures & Inspection Points
  • Area: Mechanische Dichtungs-Verschleiß und Undichtheiten
    Check: Cofferdam regelmäßig (vor/nach jedem Laden, alle 2 Wochen) spülen, Leckage-Rate überwachen; Erhöhte Leckage (>10 ml/h) erfordert sofortige Inspektion und Dichtungswechsel
  • Area: Abnutzung der Verschleißringe durch Cargo-Partikel und Betriebsstunden
    Check: Förderleistung testen; Schlechte Strippleistung = abgenutzte Verschleißringe; Ölvolumenstrom überprüfen bei Parallel-Betrieb
  • Area: Cofferdam-Blockierung und Leckageüberwachungs-Ausfall
    Check: Cofferdam-Öffnung müssen frei sein; Blockierte Punkte = Pumpe nicht verwendbar bis Behebung; Purge-Luft/Stickstoff prüfen
  • Area: Hydrauliköl-Temperatur-Anstieg und Öl-Degradation durch Lager-Reibung
    Check: Hydrauliköl-Temperatur am Rücklauf-Filter-Cooler überwachen; Temperaturalarm (>60°C typ.) setzen; Cooler-Leistung und Wasser-Durchfluss kontrollieren
  • Area: Korrosion von Edelstahl-Oberflächen durch Meerwasser-Exposition und Chlorid-Ablagerungen
    Check: Regelmäßige Reinigung der Edelstahl-Komponenten; Zink-Anoden (bei Ballast-Modellen) auf Verschleiß prüfen; Oberflächenverfärbung/Lochfraß untersuchen

Inspektions-/Wartungspunkte der Framo SD-Serie (serien-universell, framo.com + marineengineeringonline, 2026-06).

SD-series deepwell pump for tanker cargo service

Deckma Hamburg

3
Deckma Hamburg GmbH Oil Content meters for ships (Pollution Prevention) (OMD 24)
Oil Content meters for ships (Pollution Prevention) (OMD 24)
Model Number
LR2120483UKMB
Deckma Hamburg GmbH OIL CONTENT METERS (OMD 24)
OIL CONTENT METERS (OMD 24)
Model Number
LR24120483UKMB
Deckma Hamburg GmbH 15 ppm bilge alarm Type ODM 2008
15 ppm bilge alarm Type ODM 2008
Model Number
LR2551851UKMB

Honeywell Analytics

3
Honeywell Analytics Ltd. Fixed Flammable Gas Detectors - Searchpoint Optima Plus, Optima X & Optima Z
Fixed Flammable Gas Detectors - Searchpoint Optima Plus, Optima X & Optima Z
Model Number
74088/A0 UK
Honeywell Analytics Ltd. BW RigRat
BW RigRat
Model Number
74089/A0 UK
Honeywell Analytics Ltd. BW Flex Seires
BW Flex Seires
Model Number
74090/A0 UK

Tanktech

3
Tanktech Co., Ltd. Model: T2000-TFC-01 (closed type), Portable Oil Water Interface Detector.
Model: T2000-TFC-01 (closed type), Portable Oil Water Interface Detector.
Model Number
162.055/5/0
Tanktech Co., Ltd. Model: T2000-TFC-02 (closed type), Portable Oil Water Interface Detector.
Model: T2000-TFC-02 (closed type), Portable Oil Water Interface Detector.
Model Number
162.055/7/0
Tanktech Co., Ltd. Model: T2000-TFS-01 (restricted type), Portable Oil Water Interface Detector.
Model: T2000-TFS-01 (restricted type), Portable Oil Water Interface Detector.
Model Number
162.055/8/0

De Beers Marine (Pty)

2
De Beers Marine (Pty) Ltd General Cage 1
General Cage 1
Model Number
TAS000030C
De Beers Marine (Pty) Ltd General Cage 2
General Cage 2
Model Number
TAS00002ZZ

Beijer Electronics

1
Beijer Electronics AB FnIO M-Series Network Adapters and I/O Modules
FnIO M-Series Network Adapters and I/O Modules
Model Number
TAA00002Z8

Caterpillar

1
Caterpillar Inc. MPC300
MPC300
Model Number
TAA000038Y

Danfoss

1
Danfoss A/S RT 7, RT 8, RT 12, RT 14, RT 15, RT 101, RT 106, RT 8L, RT 14L
RT 7, RT 8, RT 12, RT 14, RT 15, RT 101, RT 106, RT 8L, RT 14L
Model Number
TAA000015E

Data Respons Solutions

1
Data Respons Solutions AS CE-CL-0x - Maritime Computer
CE-CL-0x - Maritime Computer
Model Number
TAA0000332

Dr. Födisch Umweltmesstechnik

1
Dr. Födisch Umweltmesstechnik AG MCA 10 maritime
MCA 10 maritime
Model Number
TAA00002ZV

Enraf

1
Enraf B.V. Models: Hermetic UTImeter N series; Rtex, Otex, Gtex, Gtex Chem, Gtex Chem IIC, Gtex Chem Reflon IIC, Gtex High Pressure.
Models: Hermetic UTImeter N series; Rtex, Otex, Gtex, Gtex Chem, Gtex Chem IIC, Gtex Chem Reflon IIC, Gtex High Pressure.
Model Number
162.055/6/3

HANSHIN ELECTRONICS

1
HANSHIN ELECTRONICS CO.,LTD. Hanshin Electronics Co. LTD, HSR-1400 Sound Reception System.
Hanshin Electronics Co. LTD, HSR-1400 Sound Reception System.
Model Number
165.165/4/0

Honeywell Safety Management Systems

1
Honeywell Safety Management Systems Safety Manager SC R21x
Safety Manager SC R21x
Model Number
TAA00002Z9

MacGregor

1
MacGregor Norway AS Steel Weathertight Door
Steel Weathertight Door
Model Number
TAS000030Y

Marflex

1
Marflex Marflex ED 200 Deepwell Pump
Marflex ED 200 Deepwell Pump
350 m³/h at 120 mLC · Marine Equipment · electric driven deep‑well cargo pump
Common Failures & Inspection Points
  • Electric motor insulation breakdown
  • Impeller erosion
  • Cable penetration gland leak
Service: Megger motor windings every 6 months. Impeller inspection at dry-dock.
Spare Parts: Marflex: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.
Strengths
  • Integrated motor eliminates shaft coupling wear and simplifies installation
  • Compact footprint fits narrow tank spaces and reduces structural penetrations
  • High suction lift capability suitable for low‑lying tanks on large tankers
  • Variable speed drive allows precise flow control during loading/unloading
  • Proven service record in tanker fleets with straightforward top‑mounted inspection access
Weaknesses
  • Motor insulation breakdown reported as a recurring failure mode
  • Impeller erosion when handling abrasive cargoes; requires dry‑dock inspection
  • Cable gland leaks can lead to moisture ingress and electrical faults
  • Regular megger testing of motor windings adds maintenance workload
  • Not ideal for highly viscous or heavily fouling cargos
Typical Vessels: Crude Oil TankerProduct TankerChemical Tanker
Decision Guide: Choose if you need a compact, high‑lift electric pump for low‑viscosity crude or product cargoes and can commit to regular electrical testing and dry‑dock impeller inspections. Avoid if the cargo is highly abrasive, very viscous, or if maintenance windows are too short to accommodate the required inspections.
Use Cases: Commonly installed in the bottom of LR1/LR2 tanker cargo tanks for crude oil loading/unloading at ports, product transfer between manifolds on product carriers, and chemical cargo handling where an electric drive is preferred over hydraulic or diesel‑driven pumps.

Praxis Automation Technology

1
Praxis Automation Technology B.V. Mega - Guard Propeller Revolution Indicator
Mega - Guard Propeller Revolution Indicator
Model Number
78540/A0 UK

Rootech

1
Rootech, Inc ACCURA 2700/2750
ACCURA 2700/2750
Model Number
TAA00002Z7

ROTA YOKOGAWA

1
ROTA YOKOGAWA GmbH & Co. KG Rotamass Total Insight
Rotamass Total Insight
Model Number
MRA000003F

Sensitron

1
Sensitron Srl Fixed gas detection equipment (control panel and detector) (Gas detection control panel: “Multiscan ++ MED” Gas detector: “Smart S –MS MED)
Fixed gas detection equipment (control panel and detector) (Gas detection control panel: “Multiscan ++ MED” Gas detector: “Smart S –MS MED)
Model Number
LR23359200UKMB

Shinko Industries

1
Shinko Shinko SVP-DW Deepwell Pump
Shinko SVP-DW Deepwell Pump
300 m³/h at 100 mLC · Marine Equipment · deepwell centrifugal cargo pump
Common Failures & Inspection Points
  • Shaft coupling misalignment
  • Bearing housing vibration
  • Cargo valve seat leak
Service: Vibration monitoring quarterly. Coupling alignment check after any tank work.
Spare Parts: Shinko: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.
Strengths
  • High suction lift capability enables efficient loading/unloading from bottom‑mounted tanks
  • Compact, self‑contained unit saves deck space and simplifies installation
  • Robust motor design tolerates marine vibration when properly aligned
  • Standardized coupling allows quick replacement of the drive train
  • Quarterly vibration monitoring program is supported by built‑in sensor ports
Weaknesses
  • Performance degrades sharply if shaft coupling is misaligned (known failure mode)
  • Bearing housing can develop excessive vibration, requiring frequent inspection
  • Cargo valve seat may leak under high pressure if not regularly serviced
  • Flow capacity limited compared with larger deck‑mounted centrifugal pumps
  • Requires strict adherence to alignment checks after any tank work
Typical Vessels: Oil tankerProduct tankerChemical tanker
Decision Guide: Choose if: you need a reliable, space‑saving pump for low‑lying cargo tanks on oil or chemical tankers and can commit to regular vibration monitoring and coupling alignment. Avoid if: the vessel requires very high flow rates beyond the SVP-DW rating, or if maintenance resources cannot guarantee strict alignment checks after tank modifications.
Use Cases: The SVP-DW is commonly installed in the double‑bottom cargo tanks of crude oil, product, and chemical carriers to provide fast, low‑head cargo transfer while minimizing deck clutter. It is favored on vessels where space is at a premium and where periodic maintenance windows are scheduled during port stays.

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