Goulds Mechanical Seal — 12mm (10K168 / 10K172)

Direct-fit 12mm mechanical seal replacement for Goulds vertical multistage pumps, built for reliable sealing in high-duty service with hard SiC/SiC faces and Viton elastomers. This seal fits Goulds 1SV, 2SV, 3SV, and 5SV pump models and is commonly searched by OEM part numbers 10K168 and 10K172.

Interchangeable OEM references: 10K168 and 10K172 share the same design and fit. Because this listing is supplied in the SiC/SiC/Viton build, our 10K168 meets the 10K172 material specification—use either number for ordering.

At a glance:

• Shaft size: 12mm

• Pump models: Goulds 1SV / 2SV / 3SV / 5SV

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

• Elastomers: Viton (FKM)

• Cross-references: 10K168, 10K172

Available versions (select from dropdown)

• Standard (12mm): Equivalent to 10K168 / 10K172

• Upgrade (12mm): Enhanced design for higher speeds/pressure; equivalent to Goulds/Lowara T-135, usable on 2SV and 5SV; working length matches 192S (example catalog ref: SSV 2SVB2H2P0). Refer to the product image when selecting “Upgrade” in the dropdown menu above.

Cross Reference / Alternate Search Formats

10K168 • 10K 168 • 10k168 • 10K172 • 10K 172 • 10k172 • T-135 • 192S • SSV 2SVB2H2P0

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