The Labyrinth Seal, IB, Brg. Cover H2564-4 (P/N 2564-4H) is a critical bearing protection component designed for 2500 Supreme centrifugal pump systems. Installed within the inboard bearing cover assembly, this precision-engineered labyrinth seal plays a vital role in preventing drilling fluids, dust, and abrasive particles from entering the bearing housing, ensuring long-term operational reliability.
Manufactured with Buna-N elastomer material, the Labyrinth Seal H2564-4 provides excellent resistance to oil, drilling mud, and general industrial fluids commonly encountered in oilfield and slurry handling applications. Its non-contact labyrinth structure creates a complex sealing path that effectively blocks contamination while minimizing friction and heat generation, helping extend bearing service life.
Designed for 2500 Supreme Pump Series Compatibility
The Labyrinth Seal, IB, Brg. Cover H2564-4 is compatible with 2500 Supreme pump models including:
3 x 2 x 13
4 x 3 x 13
5 x 4 x 14
6 x 5 x 11
6 x 5 x 14
8 x 6 x 11
8 x 6 x 14
10 x 8 x 14
These pumps are widely used in demanding applications such as base drilling mud circulation, barite transfer, mine dewatering, cement handling, lime slurry pumping, ash conveyance, and mineral processing. The 2500 Supreme pump series features semi-open impellers with wide-tipped vanes, concentric thick casings, duplex angular contact bearings, and full pipe diameter entrances for maximum hydraulic efficiency.
Within this heavy-duty pump design, the Labyrinth Seal H2564-4 plays a key supporting role by protecting the duplex angular contact bearings from contamination and moisture ingress. Effective sealing directly contributes to reduced bearing wear, stable shaft alignment, and lower maintenance frequency.
Key Benefits of Labyrinth Seal H2564-4
• Non-contact labyrinth design for maximum bearing protection
• Buna-N material suitable for oilfield and slurry environments
• Reduced contamination risk in abrasive fluid applications
• Supports longer bearing life and improved pump reliability
• Dimensional compatibility with 2500 Supreme pump power ends
Because all sizes of the 2500 Supreme pump share the same power end design, the Labyrinth Seal, IB, Brg. Cover H2564-4 provides standardized interchangeability across multiple pump models, helping simplify spare parts inventory management.
For operators working in drilling, mining, cement, and industrial slurry systems, reliable bearing sealing is essential to maintaining uptime. The Labyrinth Seal H2564-4 offers a dependable replacement solution to support continuous pump operation in harsh environments.
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