Mechanical Seal Style HPPD

High-Pressure Face-To-Face Dual Stationary Multi-Spring Cartridge Seal

For high-pressure process duties and zero-emission requirements

The Style HPPD seal is designed for exceptional reliability in demanding applications, such as high-pressure, highspeed, and hazardous services. This seal style addresses the challenges of sealing high-pressure process fluids in refinery, pipeline, and power generation industries where zero-emissions are required.

  • Versatile across industries: ideal for oil and gas, petrochemical, and power generation.
  • Adaptable to process needs: the configurable Arrangement 3 platform can be designed for use with a pressurized API Plan 54 system or a suitable API Plan 53 when equipped with our high-performance pumping ring.
  • High torque, high speed: engineered for extreme torque loads and rapid surface speeds, perfect for high-energy pumps where zero emissions are required.

Typical Flush Plans: 54/53B/53C

Mechanical Seal Style HPPD

Mechanical Seal Style HPPD

Design Features & Benefits

Common Applications

  • Crude oil
  • Bitumen
  • Produced water
  • Boiler feed water
  • Amine
  • Ammonia
  • Seawater
  • Light hydrocarbons

Specifications

Downloads

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Type A | Category 2 & 3 Contacting Wet Seals – Arrangement 3

The Flexaseal Style HPPD provides superior design flexibility with highly adaptable features to meet specific application needs and comes standard with:

  • High duty seal face materials
    • Premier siliconized carbon/graphite, FlexSiCG, primary ring combines self-lubricating capabilities of carbon/graphite with the rigidity and wear resistance of silicon carbide.
    • Reaction bonded silicon carbide mating rings improve lubricity at the interface.
  • Laser-etched lubrication-enhancing features on the mating ring amplify film load support and reduce face-generated heat.
  • Robust seal rings with FEA-optimized geometry nearly eliminates seal face deformation.
  • Unique mating ring key-drive mechanism evenly distributes drive forces, reducing fracture potential.
  • Stationary design allows for high-peripheral speeds.
  • Metal-to-metal torque transfer to flexible stationary element eliminates wear-induced seal hang-up.
  • Metal oxide coated dynamic O-ring surfaces prevent wear from fretting and ensures smooth long-term operation.
  • Separate inboard and outboard mating rings improve safety over designs with a common mating ring by isolating inboard and outboard seals.
  • Expansive barrier fluid cavity for thermal management in high pressure applications.

Tailored Solutions with Customizable Features for Enhanced Reliability

  • Radial or axial pumping ring for barrier fluid circulation without an external pump