Tsurumi LH430W-61 Seal Kit — Double Mechanical Seal (Step Shaft 45/50 mm)

Direct-fit double mechanical seal kit for Tsurumi LH430W-61 pumps with a 45/50 mm step shaft (two shaft diameters per OEM configuration). Built for heavy-duty service with hard faces and chemical-resistant elastomers. Buna-N O-ring kit included.

At a glance:

• Configuration: Double seal (upper + lower)

• Shaft geometry: Step shaft 45/50 mm (per LH430W-61 OEM spec)

• Faces: SiC/SiC – SiC/SiC (upper and lower)

• Elastomers: Viton (FKM)

What’s included:

• Upper mechanical seal: SiC/SiC/Viton

• Lower mechanical seal: SiC/SiC/Viton

• Complete Buna-N O-ring set for reassembly

OEM references:

• Current seal part #: 025-001-24

• Previous seal part #: 025-000-04

Why this kit:

• Hard silicon-carbide faces for excellent wear/heat resistance in abrasive duty

• Viton elastomers for elevated temperature and common industrial chemistries

• Drop-in fit to speed service and ensure proper alignment

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