Armstrong 8B2 2-1/8″ OEM Mechanical Seal — #975002-374

Precision OEM replacement mechanical seal for Armstrong 8B2 assemblies. Built with Silicon Carbide/ Silicon Carbide/ Viton  for reliable sealing in hot-water and industrial service.

Content note: We supply this seal in upgraded materials  SiC/SiC/Viton® whereas the OEM standard is Carbon/SiC/Viton for improved heat, abrasion, and reliability

Variations: (choose from drop down menu above)

• Seal Only — 8B2, 2-1/8″, SiC/SiC/Viton, T-25, 316SS

• Seal + Bushing — includes Armstrong 2-1/8″ Bushing (425520-003) 

  Image note: The photo shows the bushing, which is included with the seal but displayed separately for clarity

Specs:

• Direct OEM replacement: 975002-374

• 2-1/8″ size, T-25 clamp, 316SS hardware

• Faces: Silicon Carbide / Silicon Carbide Elastomer: Viton® (FKM)

Fitment & applications:

• Armstrong 4300 Series, Frames 364–449

• Example: 10×10×15, 125 HP
  (Confirm size/type against your nameplate or old seal)

Cross-Reference

• PS-8035 | MPNs: 975000-957, 975002-073 | Alt: VG-975002374

What is included:

• 1 × 8B2 2-1/8″ seal (SiC/SiC/Viton, T-25, 316SS)

• (Bushing included only with the Seal + Bushing option)

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