Marine Cargo Pumps & Tanker Engineering — Asbestos Exposure Crosswalk

What This Equipment Is

Oil tankers, chemical tankers, LNG / LPG tankers, and product carriers operate substantial cargo-handling pump rooms separate from their main propulsion engineering spaces. Tanker cargo-handling systems include:

  • Main cargo pumps — large centrifugal or screw pumps moving cargo from tanks
  • Stripping pumps — clearing residual cargo from tank bottoms
  • Inert-gas system equipment — preventing flammable atmospheres in cargo tanks
  • Tank-cleaning systems — Butterworth machines and fixed-cleaning equipment
  • Cargo heating coils — steam coils inside heated-product cargo tanks (heavy fuel oil, asphalt, chemicals)
  • Auxiliary boilers — providing process steam for cargo heating
  • Steam-driven cargo-pump turbines — historically common in older tanker designs

All of these components used the same asbestos-bearing products as Marine Engines — pipe covering, block insulation, gaskets, packing. The pump room is a distinctively confined space (analogous to submarine engineering — see Submarine Engineering) with limited ventilation and continuous occupancy during cargo operations.

Why Tanker Cargo-Pump Work Was a Heavy Asbestos Exposure

Cargo-pump-room work happens at tight quarters in confined-space conditions. Tanker crews — particularly the pumpmen, pump-room engineers, and cargo officers — spent significant time in the pump room during loading and discharging operations.

Yard-period tanker overhauls at shipyards specializing in tanker maintenance involved extensive cargo-pump rebuild, cargo-piping work, and inert-gas system maintenance — all disturbing legacy asbestos materials.

Tank-cleaning chemists / surveyors and tank-cleaning crews entering cleaned tanks for inspection encountered residual exposure from cargo-tank coatings and insulation.

  • Various marine cargo-pump OEMs — Frank Mohn / Framo, Shinko, Worthington Marine
  • Various marine-equipment OEMs — see Marine Engines, Marine Gaskets
  • Johns-Manville — comprehensive marine insulation
  • Garlock Sealing Technologies — marine gaskets and packing
  • A.W. Chesterton — marine packing

Documented Product References

Images sourced from publicly available product-identification reference materials. Inclusion does not constitute a finding of liability against any company.

Trust Funds That May Apply

  • Manville Personal Injury Settlement Trust
  • Owens-Corning / Fibreboard Asbestos PI Trust
  • Garlock Sealing Technologies LLC Asbestos PI Trust
  • Jones Act — merchant marine statutory framework for occupational injury claims

Service Roles Most Exposed at Tanker Cargo-Pump Work

Tanker chief engineers and pumpmen, cargo officers and licensed deck officers supervising cargo operations, tanker shipyard repair-period mechanics, tank-cleaning contract crews, marine surveyors performing cargo-tank inspections.

Cross-References

Compiled from publicly filed asbestos litigation, Jones Act case records, U.S. Coast Guard tanker-safety records, and industry-publication histories. Product and company references reflect what has been alleged or documented in publicly filed litigation. This page does not constitute a finding of liability against any company. Not legal advice; consult a licensed attorney about your specific situation. Merchant mariners may pursue Jones Act claims in addition to or in parallel with civil litigation against product manufacturers.