Armstrong International Inc. Asbestos Exposure: Steam Traps, Gaskets & Claims
Armstrong International Inc., formerly associated in litigation with the Armstrong Machine Works name, manufactured steam traps and other steam-system equipment used in commercial and industrial facilities. Published state and federal court records document Armstrong steam traps that incorporated asbestos-containing internal gaskets during relevant historical periods, as well as litigation involving asbestos-containing replacement gaskets and insulation used with the equipment.
Armstrong International remains an operating industrial company and should not be confused with Armstrong World Industries, the separate building-products company associated with its own asbestos bankruptcy trust. No Armstrong International-specific §524(g) asbestos personal-injury trust was confirmed from the primary court records reviewed for this page. Claims involving Armstrong International therefore require careful product, gasket, work-history and causation evidence rather than use of an Armstrong World Industries trust schedule.
🏢 Armstrong International Company History
Armstrong International is an industrial steam-system equipment company associated historically with the Armstrong Machine Works name. Its steam traps became the focus of asbestos litigation because some historical units incorporated internal asbestos-containing gaskets and because steam systems could also use asbestos-containing replacement components and external insulation.
Documented Company Facts
| Topic | Verified Information |
|---|---|
| Company | Armstrong International Inc. |
| Historical name appearing in litigation | Armstrong Machine Works |
| Principal equipment in asbestos decisions | Steam traps |
| Documented asbestos component | Internal asbestos-containing gaskets incorporated into some historical steam traps |
| Other materials litigated | Replacement gaskets, flange gaskets, packing and external insulation used with industrial equipment |
| Current company status | Operating industrial company |
| Armstrong International-specific §524(g) trust | No such trust confirmed from primary court records reviewed |
| Important distinction | Armstrong International is not Armstrong World Industries. |
For broader machinery research, see Industrial Equipment Manufacturers & Asbestos Exposure.
⚙️ Armstrong Steam Traps & Asbestos Components
Published litigation provides unusually specific evidence concerning Armstrong steam traps. In Tennessee litigation, the record stated that Armstrong did not appear to dispute that steam traps at the Tennessee Eastman facility probably contained original internal asbestos-containing gaskets. A Maine court likewise stated that Armstrong steam traps used asbestos-containing gaskets during the relevant period.
Documented Equipment & Components
| Equipment / Material | What Court Records Support |
|---|---|
| Steam traps | Armstrong manufactured steam traps used in industrial and commercial steam systems. |
| Original internal gaskets | Court records document asbestos-containing gaskets incorporated into some Armstrong steam traps before sale. |
| Replacement internal gaskets | Litigation involved asbestos-containing replacement gaskets installed after sale, sometimes manufactured by other companies. |
| Flange gaskets | Post-sale asbestos-containing flange gaskets used with equipment were addressed in industrial-equipment litigation. |
| External insulation | Asbestos-containing insulation could be applied to equipment after sale by others. |
| Packing | Industrial litigation addressed asbestos packing used with equipment, although the manufacturer of the packing could differ from Armstrong. |
Original vs. Replacement Component Questions
| Question | Why It Matters |
|---|---|
| Was the gasket original to the Armstrong trap? | Original internal asbestos gaskets were incorporated into some historical Armstrong steam traps before sale. |
| Was the gasket a replacement? | A replacement gasket may have been made and sold by another company. |
| Was external insulation added later? | Post-sale insulation may involve a different manufacturer and different legal analysis. |
| Did the worker open the trap? | Opening and cleaning the trap could involve direct contact with an internal gasket. |
| Did the gasket contain asbestos? | The relevant product, date and evidence must establish asbestos content rather than assuming it. |
👷 Workers & Industries Associated With Armstrong Steam Traps
Steam traps are used to remove condensate and non-condensable gases from steam systems while limiting the loss of live steam. Workers who maintained these systems could repeatedly open traps and replace internal gaskets. Published cases involve plumbers, equipment mechanics, pipefitters and workers in chemical and industrial plants.
Potentially Exposed Worker Groups
| Worker Group | Potential Historical Exposure Activity |
|---|---|
| Equipment mechanics | Opening, cleaning, repairing and replacing steam traps. |
| Plumbers | Servicing commercial boiler systems and steam traps. |
| Pipefitters / steamfitters | Maintaining steam piping, traps, valves and flanges. |
| Boiler mechanics | Working on boiler steam lines and condensate-return systems. |
| Industrial maintenance workers | Replacing gaskets and repairing steam-system equipment. |
| Power-plant workers | Maintaining steam distribution and condensate equipment. |
| Chemical-plant workers | Repairing steam traps in corrosive process environments. |
| Navy / maritime workers | Asbestos litigation has included Armstrong steam traps in shipboard exposure allegations. |
| Nearby trades | Potential bystander exposure during dust-generating gasket or insulation work. |
Documented / Relevant Exposure Settings
| Setting | Documented Connection |
|---|---|
| Tennessee Eastman chemical plant | Coffman litigation documented Armstrong steam traps and repeated equipment maintenance in a corrosive industrial environment. |
| Commercial boiler systems | Whelan testified that he worked on approximately twenty Armstrong steam traps installed on commercial boilers. |
| Great Northern facility | Maine litigation established the presence of Armstrong steam traps, although the claimant failed to establish sufficient personal asbestos exposure from them. |
| Industrial steam systems | Armstrong traps were used in facilities requiring steam and condensate management. |
| Navy / maritime settings | New York asbestos litigation has named Armstrong in cases involving alleged shipboard exposure from steam traps and related machinery. |
See High-Risk Jobs Asbestos Exposure and Job Site Asbestos Exposure.
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🔧 How Armstrong Steam-Trap Asbestos Exposure Could Occur
The strongest exposure evidence concerns opening steam traps and disturbing internal gaskets. In Whelan, the plaintiff testified that high heat caused gaskets to bake onto the equipment, requiring them to be scraped and brushed off. In Coffman, the Tennessee Court of Appeals found sufficient evidence for a jury to consider whether removal of original asbestos-containing gaskets from Armstrong steam traps contributed to exposure.
Maintenance Activities
| Activity | Potential Exposure Mechanism |
|---|---|
| Opening a steam trap | Could expose the worker to the internal gasket. |
| Removing an old gasket | Aged material could tear, crumble or remain adhered to metal surfaces. |
| Scraping gasket residue | Mechanical scraping could disturb asbestos-containing residue. |
| Wire brushing | Cleaning sealing surfaces could create dust from remaining gasket material. |
| Installing replacement gaskets | Historical replacement materials may require separate manufacturer identification. |
| Removing external insulation | Could disturb asbestos insulation applied to steam equipment by others. |
| Cleanup | Sweeping or handling gasket and insulation debris could re-suspend fibers. |
Asbestos-Related Health Conditions
| Condition | General Relationship to Asbestos |
|---|---|
| Mesothelioma | A rare cancer strongly associated with asbestos exposure; Armstrong litigation includes mesothelioma cases. |
| Lung cancer | Occupational asbestos exposure can increase lung-cancer risk. |
| Asbestosis | Progressive pulmonary fibrosis caused by inhaled asbestos fibers. |
| Pleural disease | Asbestos exposure can cause pleural plaques, thickening and other abnormalities. |
Presence of an Armstrong steam trap at a facility is not enough by itself to prove asbestos exposure. Courts have required evidence of personal contact with the equipment or asbestos-containing material.
⚖️ Armstrong International Lawsuits & Current Claim Status
Armstrong International has been named directly in asbestos product-liability litigation. Courts have reached different results depending on the evidence. Some cases found sufficient evidence concerning original asbestos-containing internal gaskets to proceed, while others granted Armstrong summary judgment because the claimant could not establish personal exposure to asbestos associated with an Armstrong product.
Current Claim Structure
| Issue | Verified Status |
|---|---|
| Armstrong International operating company | Yes |
| Civil asbestos litigation | Documented in multiple state and federal cases |
| Armstrong International-specific §524(g) asbestos trust | No such trust confirmed from primary records reviewed |
| Armstrong International trust payment percentage | Not applicable |
| Armstrong International disease schedule | Not applicable |
| Armstrong World Industries Trust | Separate company/trust; should not be treated as an Armstrong International trust |
| Potential other trust claims | May exist for separately identified bankrupt asbestos-product manufacturers encountered at the same workplace. |
Liability Questions in Steam-Trap Cases
| Question | Evidence Needed |
|---|---|
| Was the trap manufactured by Armstrong? | Nameplate, equipment records, testimony or other product identification. |
| Was the gasket original? | Equipment age, replacement history and maintenance evidence. |
| Did the gasket contain asbestos? | Historical product evidence and relevant time period. |
| Did the claimant personally disturb it? | Work testimony, maintenance duties, frequency and proximity. |
| Was a replacement product involved? | Parts records or testimony may identify a separate gasket manufacturer. |
| What law governs the claim? | Product-liability and duty-to-warn rules vary by jurisdiction. |
📊 Documented Armstrong International Asbestos Cases
Published decisions provide direct evidence about historical Armstrong steam traps and demonstrate why product-specific exposure evidence matters.
Selected Court Records
| Case | Documented Significance |
|---|---|
| Coffman v. Armstrong International, Inc. — Tennessee Court of Appeals (2019) | Found a factual issue concerning exposure from original asbestos-containing internal gaskets incorporated into Armstrong steam traps and other asbestos materials used with equipment. |
| Coffman v. Armstrong International, Inc. — Tennessee Supreme Court (2021) | Addressed equipment-manufacturer liability for asbestos-containing post-sale replacement materials made by others and reversed the Court of Appeals on the duty-to-warn theory concerning later-added third-party products. |
| Whelan v. Armstrong International Inc. — New Jersey Appellate Division (2018) | Plaintiff testified to work on approximately twenty Armstrong steam traps and scraping/brushing asbestos gaskets baked onto the equipment. |
| Richards v. Armstrong International, Inc. — Maine Superior Court | Recognized that Armstrong steam traps used asbestos-containing gaskets during the relevant period but granted summary judgment because personal exposure was not sufficiently established. |
| New York City Asbestos Litigation | Armstrong has appeared as a defendant in cases alleging Navy and industrial exposure involving steam traps and related machinery. |
Statistics We Do Not Invent
| Category | Verified Status |
|---|---|
| Total Armstrong workers exposed | No reliable company-wide total confirmed. |
| Total steam-trap users exposed | No defensible nationwide total confirmed. |
| Total Navy personnel exposed | No reliable Armstrong-specific nationwide total confirmed. |
| Total asbestos claims against Armstrong | No authoritative current cumulative company-wide figure confirmed. |
| Current asbestos trust assets | Not applicable; no Armstrong International-specific §524(g) trust confirmed. |
📋 Armstrong International Claim Evidence & Product Identification
Armstrong cases repeatedly demonstrate that evidence of a steam trap at a workplace is not enough. A claim investigation should identify the equipment and establish whether the worker personally encountered an asbestos-containing original or replacement component.
Evidence That May Help Document Exposure
- Medical documentation establishing an asbestos-related disease.
- Employment, union, Social Security, military or maritime records.
- Armstrong steam-trap nameplates, model numbers and equipment lists.
- Plant engineering drawings and steam-system records.
- Maintenance logs documenting trap repair and replacement frequency.
- Parts manuals and records identifying internal gasket materials.
- Invoices or storeroom records identifying original or replacement gaskets.
- Coworker testimony describing opening, scraping and cleaning Armstrong traps.
- Evidence establishing whether the gasket was original to the trap or manufactured by another company.
- Records identifying asbestos insulation, flange gaskets, packing or other products encountered around the same steam system.
Separate asbestos trust claims may apply to qualifying exposure involving bankrupt manufacturers whose insulation, packing or gaskets were used with the equipment. Each trust has independent requirements. Compensation is not guaranteed.
❓ Frequently Asked Questions
Did Armstrong International steam traps contain asbestos?
Published court records state that some historical Armstrong steam traps incorporated asbestos-containing internal gaskets during relevant periods.
How could workers be exposed while repairing an Armstrong steam trap?
Workers could open the trap, remove an old gasket and scrape or brush gasket material adhered to the sealing surface. Whether a particular gasket contained asbestos must still be established.
What did the Coffman case say about Armstrong steam traps?
The Tennessee Court of Appeals found evidence sufficient to create a factual issue concerning exposure to original asbestos-containing internal gaskets in Armstrong steam traps. The Tennessee Supreme Court later addressed and limited liability theories involving asbestos replacement materials added after sale by others.
What happened in the Whelan case?
The plaintiff testified that he worked on about twenty Armstrong steam traps and replaced asbestos gaskets that could bake onto the equipment and require scraping and brushing during removal.
Does simply seeing Armstrong steam traps prove asbestos exposure?
No. The Richards decision recognized historical asbestos-containing gaskets but granted Armstrong summary judgment because the claimant did not sufficiently establish personal asbestos exposure from the Armstrong traps.
Does Armstrong International have an asbestos bankruptcy trust?
No Armstrong International-specific §524(g) asbestos personal-injury trust was confirmed from the primary court records reviewed for this page.
Is the Armstrong World Industries asbestos trust the same company?
No. Armstrong World Industries is a separate building-products company. Its asbestos trust should not be presented as a trust for Armstrong International steam-trap claims.
What evidence may support an Armstrong International asbestos claim?
Medical records, employment history, steam-trap identification, maintenance records, gasket evidence, equipment manuals and credible coworker testimony may help document exposure.
🧾 Armstrong International Inc. Summary
| Detail | Information |
|---|---|
| Company | Armstrong International Inc. |
| Historical name in litigation | Armstrong Machine Works |
| Primary asbestos-litigation equipment | Steam traps |
| Documented original asbestos component | Internal asbestos-containing gaskets in some historical steam traps |
| Other litigated materials | Replacement gaskets, flange gaskets, packing and external insulation used with equipment |
| Documented workers | Equipment mechanics, plumbers, pipefitters, boiler mechanics and industrial maintenance workers |
| Current company status | Operating company |
| Armstrong International-specific trust | No §524(g) asbestos PI trust confirmed from primary records reviewed |
| Current trust payment percentage | Not applicable |
| Exposure totals | No reliable nationwide total confirmed |
📚 Confirmed Court Sources
- Tennessee Supreme Court — Coffman v. Armstrong International, Inc. (2021), addressing Armstrong steam traps and equipment-manufacturer liability for asbestos-containing materials.
- Tennessee Court of Appeals — Coffman v. Armstrong International, Inc. (2019), documenting evidence concerning original internal asbestos-containing gaskets in Armstrong steam traps.
- New Jersey Superior Court, Appellate Division — Whelan v. Armstrong International Inc. (2018), documenting work on Armstrong steam traps and removal of asbestos gaskets.
- Maine Superior Court — Richards v. Armstrong International, Inc., recognizing asbestos-containing gaskets in Armstrong steam traps during the relevant period while requiring claimant-specific exposure evidence.
- New York court asbestos litigation records identifying Armstrong International / Armstrong Machine Works in industrial and Navy steam-trap exposure allegations.
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Call 800.291.0963
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Submit Your Case
Working around an Armstrong International steam trap does not automatically establish asbestos exposure, disease causation, legal liability or compensation. The particular trap, gasket, asbestos content, original or replacement component status, work activity, exposure history, medical evidence and applicable law must be evaluated individually. Compensation is not guaranteed.
⚕️ Legal & Medical Information Disclaimer
This page provides general educational information and is not legal or medical advice. Consult a qualified healthcare professional about diagnosis and treatment and a qualified attorney about individual legal rights and filing deadlines.