Industrial Pumps — Asbestos Exposure Crosswalk
What This Equipment Is
Industrial pumps move every fluid in a process plant: boiler feedwater, condensate, cooling water, brine, ammonia, hot oil, chemical reactants, finished product, wastewater. A medium-sized industrial facility runs hundreds of pumps. A large refinery or power plant runs thousands.
Pumps themselves are typically iron, bronze, stainless steel, or specialty alloy — not asbestos. Exposure comes from three asbestos product families around the pump:
- Shaft packing in the stuffing box (braided asbestos rope)
- Gaskets sealing the casing halves, suction and discharge flanges, and inspection covers (asbestos sheet and spiral-wound)
- Insulation on hot or cold pumps in service (block insulation, removable jackets)
Why Pump Maintenance Was a High-Exposure Activity
Pumps fail. Bearings wear, seals leak, impellers erode, rotors crack. A pump-rebuild specialist in a refinery or power plant could perform hundreds of rebuilds per year. Every rebuild involved:
- Cutting and stripping insulation from the casing (releases legacy pipe-insulation fiber)
- Breaking the case gasket free with a scraper (releases gasket fiber)
- Digging the old gland packing out of the stuffing box (releases packing fiber)
- Cutting new packing rings to length (releases fresh chrysotile from cut ends)
- Reassembling with new gaskets (more fresh fiber)
- Re-insulating
Each step concentrated dust at close range. Pump alleys in power plants and refineries — densely populated rows of hot, insulated pumps — were among the dustiest sustained work environments in heavy industry.
Manufacturers Named in Litigation Involving Pump-Related Asbestos Products
- Worthington Pump — pump OEM named in installation/maintenance claims
- Ingersoll-Rand — pump OEM named in installation/maintenance claims
- Goulds Pumps — pump OEM named in installation/maintenance claims
- Crane Co. — pumps and ancillary equipment
- Garlock Sealing Technologies — gaskets and packing
- A.W. Chesterton — packing and mechanical seals
- John Crane — packing and mechanical seals
- Johns-Manville — pump insulation products
- Owens-Corning / Fibreboard — pump 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 Pump Work
Pipefitters, maintenance mechanics, millwrights, pump-rebuild specialists, insulators (Heat & Frost), plant operators handling routine repacks, refinery turnaround crews.
Jobsites in the Network Documenting Heavy Pump Populations
- Anheuser-Busch Brewery, St. Louis, Missouri — brewery process pumps
- Every Missouri power plant, refinery, and chemical plant in the network
- See companion pages: Valve Packing, Gaskets, Heat Exchangers
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.