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Engines

Cargo Stripping Pump

medium 2 models total
Stripping pumps for cargo tank final drainage

2 manufacturers · 2 models

Framo

1
Framo Framo Stripping Pump SP-25
Framo Stripping Pump SP-25
25 m3/h · Cargo Hold Equipment · hydraulic-driven stripping pump
Type
stripping
Capacity (m³/h)
25
Drive
hydraulic
Common Failures & Inspection Points
  • Hydraulic motor seal leak
  • Impeller wear
  • Suction line blockage
Service: Used for final stripping after main cargo pump. Annual inspection.
Spare Parts: Framo: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.
Strengths
  • Compact design fits tight tank spaces
  • Hydraulic drive eliminates need for separate electric motor
  • High suction capability ensures efficient final cargo removal
  • Robust Framo construction with proven service life in tanker operations
  • Easy integration into existing hydraulic systems on board
Weaknesses
  • Limited flow rate (25 m³/h) may be insufficient for large tankers
  • Requires a dedicated hydraulic power source and maintenance of seals
  • Impeller wear can increase after prolonged use with abrasive cargoes
  • Suction line blockage risk if not regularly inspected
Typical Vessels: Product tankerChemical tankerLPG/LNG carrier (small to medium size)Offshore supply vessel with cargo tanks
Certifications: IMO Type ApprovalDNV Classification
Decision Guide: Choose if you need a reliable, space‑saving stripping pump for vessels that already have hydraulic power and the cargo volume does not exceed ~25 m³/h per pump. Avoid if the vessel requires higher stripping capacities, lacks a hydraulic system, or operates with highly abrasive/sludgy residues that would accelerate impeller wear.
Use Cases: Typically installed in the bilge/stripping line of tankers to perform final cargo draw‑down, tank cleaning support and slop handling after the main cargo pump has completed its cycle. Frequently used on product and chemical carriers where precise low‑flow stripping is required.

Marflex

1
Marflex Marflex Stripping Eductor
Marflex Stripping Eductor
variable · Cargo Hold Equipment · hydraulic eductor
Type
eductor
Common Failures & Inspection Points
  • Nozzle erosion
  • Diffuser wear
  • Cargo contamination of motive fluid
Service: No moving parts — driven by motive cargo flow. Nozzle inspection annually.
Spare Parts: Marflex: Ersatzteile per Hersteller. Lead time: 3-8 Wochen. Dichtungen und Ventileinsätze an Bord vorhalten.
Strengths
  • No moving parts – virtually zero mechanical wear and low maintenance
  • Self‑priming when sufficient motive flow is available
  • Compact installation; can be mounted directly on cargo piping
  • Reduced power demand compared with motor‑driven stripping pumps
Weaknesses
  • Performance highly dependent on adequate motive‑flow pressure
  • Nozzle and diffuser are subject to erosion, especially with abrasive cargos
  • Potential for cross‑contamination of motive fluid if seals wear
  • Limited suction capacity versus high‑capacity centrifugal stripping pumps
Typical Vessels: Oil tankerChemical tankerDry bulk carrierLPG/LNG carrier
Decision Guide: Choose if: you need a low‑maintenance, self‑priming stripping solution and have reliable motive cargo flow; space and power are limited; occasional stripping is sufficient. Avoid if: the cargo is highly abrasive or viscous requiring high suction rates, or strict segregation of motive fluid from product is required.
Use Cases: Commonly installed on tankers and bulk carriers for bilge cleaning and final cargo stripping after discharge, especially where a motor‑driven pump would add complexity or weight. Used in both oil/chemical tanks and dry‑bulk holds to evacuate residual liquids before tank entry.