Armstrong 8B2 1-5/8″ OEM Mechanical Seal — #975002-334

Direct OEM replacement 8B2 mechanical seal for Armstrong pumps. Built with SiC/SiC faces, Viton® elastomer, T-25 clamp, and 316SS hardware for reliable, long-life performance.

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

• Seal Only — 8B2, 1-5/8″, SiC/SiC/Viton, T-25, 316SS

• Seal + Bushing — includes Armstrong 1-5/8″ Bushing (425520-001)

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

Specs:

• Direct OEM replacement: 975002-334

• 1-5/8″ size, T-25 clamp, 316SS hardware

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

Fitment & Applications:

• Series: Armstrong 4300 Series

• Frames: 284–326 (TC/TCS)
  Always verify seal type and size against your nameplate or existing seal.

Cross-Reference:

• PS-8040 | MPNs: 975000-956, 975002-033 | Alt: VG-975002334

What’s included:

• 1 × 8B2 1-5/8″ mechanical seal assembly

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

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