Engineered seals

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10 Products
DF-(P)DGS6

DF-(P)DGS6

  • Dry gas seal for multiphase pump applications
  • DiamondFace sliding surface technology
  • Ideal for applications with Ethane, CO2, and similar media with low vapor margins
  • Shrouded rotating ring
  • Bi-directional
  • Ready-to-fit cartridge unit
  • Single, double, tandem, and tandem with intermediate labyrinth available
DF-SA DiamondFace

DF-SA DiamondFace

  • Cartridge design
  • Single seal
  • Balanced
  • Integrated pumping device
  • Stationary spring loaded unit
  • Inserted seal ring
  • Rotating mating ring
    (DiamondFace coated)
HR

HR

  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Multiple springs stationary
  • Seat rotating
  • Seat arranged directly behind the impeller
  • Spring protection sleeve
  • Variant with cylindrical spring and acc. EN 12756 (HRZ1) available
  • Variant as cartridge with/without guide sleeve for application with/without quench (HR2, HR3)
  • Dual seal as cartridge unit (HRKS-D) available
HRC...N

HRC...N

  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
  • Spring protection sleeve
  • Variant for operation with pressureless quench available (HRC2000N)
  • Dual seal with and without pumping screw (HRC3300NF, HRC3300N) available
LP-D

LP-D

  • Integrated seal for Sulzer A pumps
  • Dual seal, balanced
  • Semi cartridge unit
  • Independent of direction of rotation
  • Double pressure balanced
  • Internal barrier fluid circulation
  • Static springs on both sides
  • No dynamic O-Ring on shaft
  • Rugged design
  • Shrink-fitted seal faces
  • Seal faces have a large clearance to the shaft
  • Wear part cost minimized
  • Optimized design for Non-Flow use
LP-S

LP-S

  • Integrated seal for Sulzer A pumps
  • Single + Plan 11 flush
  • Semi cartridge unit
  • Balanced
  • Independent of direction of rotation
  • Static springs
  • No dynamic O-Ring on shaft
  • Rugged design
  • Shrink-fitted seal faces
  • Seal faces have a large clearance to the shaft
  • Wear part cost minimized
SAF(V) / SAP(V)

SAF(V) / SAP(V)

  • Cartridge design
  • Single seal
  • Balanced
  • Dependent on direction of rotation
  • Integrated pumping device
  • Stationary spring loaded unit
  • Inserted seal face
  • Rotating carbon seat
SHI300

SHI300

  • Robust seal design - suitable for demanding light hydrocarbon applications
  • Compact cartridge seal - can be fitted in older pumps with small seal chambers
  • Unpressurized inboard seal with a high pressure-non contacting containment seal on the outboard – fully-rated to pipeline pressure
  • Stationary spring loaded unit
  • Balanced primary seal faces - in materials with high thermal conductivity and strength
  • Multi-point injection - uniform heat distribution
  • DiamondFace® technology optional
SHI366

SHI366

  • Robust seal design – especially for demanding crude oil applications
  • Compact cartridge seal for small seal chambers
  • Single unpressurized seal with containment high-pressure throttle design
  • Stationary spring loaded unit
  • Balanced seal faces in materials with high thermal conductivity and strength
  • Inserted seal face
  • Multi-point injection of the flush fluid optional
  • Seal faces can be equipped with lubrication enhancing hydropads and/or DiamondFace technology
SHV

SHV

  • High-pressure single/double seal
  • Compact cartridge design
  • Balanced
  • Stationary spring-loaded unit
  • Shrink-fitted seal face
  • Rugged mating ring with bandage
  • Integrated pumping device for optimal heat dissipation (optional)