Armstrong Type 198 Mechanical Seal

OEM-style Type 198 replacement seal for Armstrong pumps—our build uses Silicon Carbide / Silicon Carbide faces for improved heat/abrasion resistance and reliability vs standard Carbon/SiC. Choose your shaft size from the information below.

At a glance:

• Seal type: Type 198 ( T-198)

• Face upgrade: SiC/SiC (both faces)

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

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

Available sizes & compatibility (choose from drop down menu above)

• ½” (12.7 mm) — Armstrong VMS

• 16 mm — T-198 16 mm; Armstrong VSC, VMS Series, VMS 1010, VMS 1006

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

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

What’s included

• 1 × Type 198 mechanical seal

Content note: This listing is for the mechanical seal only. The metal assembly (sleeve, set screws) is not included.

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