Condensate & Boiler Feed Pumps — Asbestos Exposure Crosswalk
What This Equipment Is
A power-plant steam cycle moves water through three major pumping stages:
- Condensate extraction pumps — pull condensate from the condenser hotwell against low-pressure suction conditions
- Booster pumps — provide intermediate pressure to the suction of the main boiler feed pumps
- Boiler feed pumps (BFP) — high-pressure multi-stage centrifugal pumps that deliver feedwater to the boiler at hundreds or thousands of psi
Boiler feed pumps in particular are massive, high-energy machines — a single large utility BFP can have 15+ stages and drive at 3,600 to 5,500 rpm under 5,000+ horsepower. The pumps operate at saturation or near-saturation feedwater temperature (300–400°F) and are insulated, gasketed, and historically packed using asbestos product families.
Asbestos Products Historically Used Around Cycle Pumps
| Product Category | Where on the Pump | Notes |
|---|---|---|
| Shaft packing | Stuffing boxes around the rotating shaft | Braided asbestos rope packing |
| Mechanical seals | Modern shaft sealing (with asbestos secondary seals historically) | See Mechanical Seals |
| Case gaskets | Pump casing splits, end-cover flanges | Asbestos sheet, spiral-wound |
| Block insulation | Pump casing exterior | Calcium silicate, magnesia |
| Pipe covering | Suction and discharge piping | Magnesia, calcium silicate |
| Removable insulation blankets | Casing covers, frequently accessed areas | Sewn asbestos cloth + asbestos batting |
Why Cycle-Pump Work Was a High-Exposure Activity
Boiler feed pumps fail catastrophically under high-energy duty if neglected. The maintenance cycle is intense — bearings, balance drums, wear rings, and seal cartridges all wear at different rates. A pump rebuild in a power plant outage involves stripping insulation, breaking casing gaskets, removing the rotating assembly, performing shop overhaul, reinstalling, and re-insulating. See Pumps for the full sequence of exposure pathways.
The exposure intensity for power-plant cycle-pump rebuilds — driven by the size of the equipment and the asbestos content of every component — has been documented across the litigation record.
Manufacturers Named in Litigation Involving These Products
- Worthington Pump — pump OEM named in installation/maintenance claims
- Ingersoll-Rand — pump OEM
- Goulds Pumps — pump OEM
- Bingham-Willamette — boiler feed pump OEM
- Pacific Pumps — pump OEM
- Crane Co. — valves and ancillary equipment
- Garlock Sealing Technologies — gaskets and packing
- A.W. Chesterton — packing and seals
- John Crane — packing and mechanical seals
- Johns-Manville — insulation products
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
- Armstrong World Industries Asbestos PI Settlement Trust
Trades Most Exposed at Cycle-Pump Work
Pipefitters, maintenance mechanics, pump-rebuild specialists, millwrights, insulators (Heat & Frost), boilermakers, plant operators handling routine repacks.
Jobsites in the Network
- Every Missouri power plant in the network
- See companion pages: Pumps, Mechanical Seals, Valve Packing
Compiled from publicly filed asbestos litigation, EPA / state-DNR 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.