Compact Single Cartridge: SPW131

HydroMax Seal SPW-131 | Compact Single Cartridge Seal with Vortex Breakers for API Plan 31

The SPW-131 is a single-cartridge mechanical seal specifically engineered for API Plan 31 systems. Featuring integral vortex breakers in the gland plate, it is ideal for handling fluids with suspended particles or solids in applications conforming to API610 Ed.5 onwards. Its compact design makes it well-suited for equipment with limited cross-sectional space.

The seal is supplied as a complete cartridge unit and integrates seamlessly with Plan 31 Cyclone Separator systems and sample collection pots.

Product Description

Design Features

  • Flush orifice optimized for Plan 31 – avoids abrasive jetting on seal faces
  • Integral vortex breakers in the gland plate for enhanced solids handling
  • Compact cartridge design with short inboard and outboard lengths
  • Hydraulically balanced, monolithic seal faces for thermal and pressure stability
  • Multi-spring configuration with springs positioned out of the process fluid
  • Designed to pair with HydroMax Plan 31 auxiliary systems

 

Technical Specifications

  • Seal Shaft Sizes:
    ALL
  • Inboard Seal Face Combination:
    TC/TC – Car/TC – Ant.Car/RB SiC
  • Gasket:
    Spiral Wound Stainless Steel, Graphite
  • Secondary Sealing:
    Viton, Alfas, ERP, Kalrez
  • Shaft Speeds:
    up to 4,000 rpm
  • Pressures:
    up to 25 Barg
  • Temperatures:
    up to 150°C
  • Instrumentation:
    Used in conjunction with a Plan 31 piping system

 

Note:
Performance data reflect independent limits for each condition. Avoid using upper limits of speed, pressure, and temperature in combination without HydroMax technical validation.

Related Products