Turcon® Stepseal® V

A single-acting O-Ring energized piston seal with hydrostatic pressure relief channel for dynamic applications. It prevents pressure trapping between seals under all service conditions. Installed in closed grooves, including grooves to ISO 7425, Turcon® Stepseal® V offers high sealing efficiency. It also has low friction with no stick-slip, minimal break out force and high wear resistance. Stepseal® V is preferably used with Turcon® or Zurcon® piston seals.

Seal Capabilities

  • Size Range: 12 mm to 2700 mm
  • Speed (max) 15 m/s
  • Pressure (max): 50 MPa
  • Temperature: -45 °C to +200 °C

Material Information for the product(s) on this page 


Basic Material
Virgin PTFE compounded with Turcon®, mineral fibre and additives
Commercial Description
Turcon® M12 is used as a primary sealing material and paired with an NBR (N7) elastomer with O-ring energized seals. Turcon® M12 offers low friction, high wear resistance, and costs on par with standard bronze-filled compounds. NBR is used to provide good, general sealing capabilities.
Product No. Material Bore Diameter, DN H9 (mm) Groove Diameter, d1 h9 (mm) Groove Width, L1 +0.2 (mm) Price
(per piece)