Armstrong Type 198 (T-198) Mechanical Seal — Sizes 12.7mm / 16mm / 20mm / 28mm — OEM Ref 190120-003

OEM-style Type 198 (T-198) mechanical seal replacement for Armstrong VMS / VSC vertical multistage pumps and related models. Our build uses an upgraded Silicon Carbide / Silicon Carbide (SiC/SiC) face set for improved heat handling, abrasion resistance, and reliability versus standard Carbon/SiC configurations. Choose your shaft size from the dropdown for fast, accurate ordering.

Available sizes & common compatibility (select from dropdown)

• 12.7mm (1/2″)  — Armstrong VMS

• 16mm — T-198 16mm; Armstrong VSC / VMS Series (incl. VMS 1010, VMS 1006)

• 20mm — T-198 20mm; Armstrong VMS 10006 / 1804

• 28mm — T-198 28mm; Armstrong VMS 32 / 45 / 65, Series 4700; VMS 32 (1–8 stages)

What’s included

• 1 × Type 198 mechanical seal
  Content note: mechanical seal only — metal assembly (sleeve, set screws) not included.

Specs:

• Seal type: Type 198 (T-198)

• Face upgrade: SiC/SiC (both faces)

• Application: Armstrong VMS/VSC vertical multistage & related models

• OEM reference (example): 190120-003 (for applicable models)

Cross Reference / Alternate Search Numbers

Type 198 • T-198 • T198 • 190120-003 • 190120003

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