Armstrong 8B2 1-1/8″ OEM Mechanical Seal — #975002-304

Direct-fit Armstrong 8B2 mechanical seal replacement for 1-1/8″ shaft applications. This seal is supplied in upgraded SiC/SiC/Viton (FKM) materials (vs. typical OEM Carbon/SiC/Viton) to improve heat tolerance, abrasion resistance, and overall reliability in demanding pump service.

Variations (choose from drop down menu above)

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

• Seal + Bushing — includes Armstrong 1-1/8″ Bushing #425520-002

Specs:

• Size: 1-1/8″

• Faces: Silicon Carbide / Silicon Carbide (SiC/SiC)

• Elastomer: Viton (FKM)

• Clamp: T-25

• Metals: 316 Stainless Steel

• OEM reference: 975002-304

Fitment & Applications:

• Series: Armstrong 4300

• Frames: 143–256 (TC/TCS)
  Always verify seal type/size against your nameplate or existing seal.

Cross Reference / Alternate Part Numbers

PS-8006 | MPN: 975002-003 | Alt: VG-975002304 | Nameplate: Series 4300

What’s included:

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

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

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