Manufacturer Background
Greene, Tweed & Company, Inc. is a U.S. specialty seal and gasket manufacturer that allegedly supplied asbestos-bearing sealing products and gaskets to U.S. transformer manufacturers, valve OEMs, pump OEMs, and broader industrial customers during the asbestos era. Greene, Tweed is named as a defendant in publicly filed U.S. asbestos litigation including the Duke v. CBS Corporation et al. case (Cause No. 1822-CC00339, City of St. Louis MO) regarding asbestos-bearing sealing products allegedly handled by U.S. transformer service-center workers, industrial maintenance crews, and utility substation electricians. Per publicly filed allegations, Greene, Tweed asbestos sealing products allegedly served as flange seals, bushing penetrations, tap-changer interfaces, and pressure-vessel sealing components in U.S. power transformers, valves, pumps, and pressure equipment manufactured during the 1950s-1980s asbestos era.
Documented Asbestos-Bearing Products
- Asbestos-bearing sealing products and gaskets
- Cut asbestos gaskets for transformer flange, bushing, and tap-changer interfaces
- Asbestos sealing products for industrial valves, pumps, and pressure equipment
- Asbestos-bonded packing and gland-sealing products
Documented U.S. Plants
- Greene, Tweed & Company U.S. manufacturing operations
- Sealing products supplied to U.S. transformer manufacturers, valve OEMs, pump OEMs, and industrial customers
How Workers Were Exposed
Per publicly filed allegations in U.S. asbestos litigation, workers were allegedly exposed to Greene, Tweed & Company asbestos-bearing transformer components during:
- Transformer assembly at Greene, Tweed & Company plants — handling phenolic spacers, asbestos paper, Bakelite-type laminate, gaskets, and asbestos cloth during new-transformer construction
- Transformer dismantling and rebuild at service centers — extracting aged asbestos components from field-aged Greene, Tweed & Company transformers (highest documented exposure category)
- Coil-winding operations — fitting asbestos transformer paper and phenolic spacers during winding assembly
- Machining and trimming — drilling, sawing, and finishing operations on cured phenolic and asbestos-bearing laminate
- Field maintenance and substation service — utility substation electricians, lineworkers, and industrial electricians handling Greene, Tweed & Company transformers during in-service repair
- Reconditioning operations — heat-baking, vacuum drying, and oil refilling of disassembled transformer units saturated with asbestos fiber
Workforce Trade Hub
Component Supplier Crosswalk
- Phenolic transformer spacers (asbestos-bearing)
- Westinghouse Micarta transformer-grade laminate
- Transformer asbestos paper / craft paper insulation
- Transformer asbestos gaskets (flange, bushing, tap-changer)
Legal Considerations
Workers exposed to Greene, Tweed & Company power transformers at any U.S. transformer manufacturing plant, transformer service center, utility substation, or industrial facility may have legal rights if they have since been diagnosed with mesothelioma, asbestosis, lung cancer, or another asbestos-related disease.
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This information reflects exposure pathways and product documentation drawn from publicly filed asbestos litigation, federal regulatory records, and industry archives. It does not constitute a finding of fact or liability with respect to any specific manufacturer, supplier, or facility operator.