RPW-515 – Rotary Pusher Wet Double Cartridge Seal

The RPW-515 by HydroMax Seal is a multi-spring, hydraulically balanced double cartridge mechanical seal designed with barrier fluid quench and drain ports and secondary O-ring seals for robust performance in rotating equipment applications.

This Rotary Pusher Wet (RPW) Double (515) Cartridge Seal features shrink-fitted seal faces and is built for use with parallel rotating shafts. Engineered with multi-springs for uniform face loading, the seal is set screw driven and includes a flush connection as part of a complete sealing solution.

Each unit is factory assembled and tested, ready for easy installation and reliable performance in process-critical environments.

Product Description

Key Design Features

  • Large 3/8″ NPT Port Connections for flush, quench, and drain
  • Cartridge Configuration: Pre-set seal faces eliminate the need for manual face load adjustment
  • Easy Installation: Cartridge design ensures operator-friendly setup without performance compromise
  • Multiple Material Options: Compatible with a wide range of process fluids and applications
  • Fully Tested and Pre-Assembled: Delivered ready to install for minimized downtime

 

Technical Specifications

  • Seal Shaft Sizes: 20 mm – 150 mm (1.000″ – 6.000″)
  • Inboard Seal Face Combinations:
    • Carbon / Tungsten Carbide (Car/TC)
    • Carbon / Silicon Carbide (Car/SiC)
    • Tungsten Carbide / Tungsten Carbide (TC/TC)
    • Tungsten Carbide / Silicon Carbide (TC/SiC)
    • Silicon Carbide / Silicon Carbide (SiC/SiC)
  • Outboard Seal Face Combinations:
    • Carbon / Tungsten Carbide (Car/TC)
    • Carbon / Silicon Carbide (Car/SiC)
  • Gasket Material: GFT
  • Elastomer Options: Viton, ERP, Aflas, Kalrez
  • Maximum Shaft Speed: Up to 20 m/s
  • Process Fluid Pressure Rating: Up to 20 Barg
  • Barrier Fluid Pressure Rating: Up to 16 Barg (232 psig) – shaft size dependent
  • Pipework Compatibility: Plan 52 and Plan 53 systems
  • Temperature Rating: Up to 180°C

 

Important Notice

Warning: The safe operating limits listed are based on each parameter considered individually. Do not use combined maximums for speed, pressure, and temperature without consulting HydroMax Seal’s technical team for your specific application.

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