Turcon® Variseal® M2 for Oil & Gas Applications - Trelleborg

Turcon® Variseal® M2

  • Suitable for reciprocating and rotary applications
  • Low coefficient of friction
  • Stick-slip free operation
  • High abrasion resistance
  • Dimensionally stable
  • Resistant to most fluids, chemicals and gases
  • Withstands rapid changes in temperature
  • No tendency for the seal to vulcanize against mating surfaces
  • Excellent resistance to ageing
  • Can be sterilized
  • Available in Hi-Clean version
  • Interchangeable with O-Ring and Back-up Ring combinations to AS4716 and ISO 6194

Turcon® Variseal® M2 is a single acting seal consisting of a U-shaped jacket and a V-shaped corrosion resistant spring. Turcon® Variseal® M2 has an asymmetric seal profile. The heavy profile of its dynamic lip with an optimized front angle offers good leakage control, reduced friction and long service life.


Typical Oil & Gas Applications Include:

Technical Data

Parameters Values

Operating Pressure

Maximum dynamic load:
2,900 psi / 20 MPa
Maximum static load:
5,800 psi / 40 MPa
(30,000 psi / 207 MPa with back-up ring)


Reciprocating up to 50 ft/s / 15 m/s
Rotating up to 4 ft/s / 1.27 m/s

Operating Temperature

-196 °C to +302 °C /
-320 °F to +575 °F
Special Turcon® and Zurcon® materials as well alternative spring materials are available for applications outside this temperature range.


Virtually all fluids, chemicals and gases