RPW-516 – Flow-Induced Rotary Pusher Wet Double Cartridge Seal

The RPW-516 by HydroMax Seal is a multi-spring, hydraulically balanced flow-induced double cartridge seal equipped with barrier fluid quench & drain ports and secondary O-ring seals for optimized sealing in high-performance rotating equipment.

This Rotary Pusher Wet (RPW) Double (516) Cartridge Seal features shrink-fitted seal faces and is purpose-built for use with parallel rotating shafts. It incorporates a set screw-driven design and includes flush, quench, and drain ports for integration with a seal support system.

The seal is delivered factory assembled and tested, ensuring reliable operation and simplified installation across a wide range of industrial applications.

Product Description

Key Design Features

  • Large 3/8″ NPT Port Connections for flush, quench, and drain
  • Cartridge Seal Configuration: Seal faces are pre-set, removing the risk of incorrect face load settings during installation
  • Multi-Spring Design: Provides consistent and even face loading
  • Available in Various Face Materials: Suitable for different applications and process conditions
  • Flow-Induced Circulation: Promotes effective movement of barrier fluid beyond standard circulation methods
  • Set Screw Driven and Factory Tested for consistent and safe performance

 

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 specific
  • Pipework Compatibility: Suitable for Plan 52 and Plan 53 systems
  • Temperature Rating: Up to 180°C

 

Important Notice

Warning: The listed performance values are typical characteristics for each condition independently. These maximum values should not be used in combination (speed, pressure, temperature) without a detailed application review. Please consult HydroMax Seal’s Technical Sales Department for guidance.

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