Double-Acting Rod Seal

Series 192: Double-Acting Rod Seal

The 192 Series rod seal is a low-friction design, consisting of a filled PTFE sealing element and an O-ring energizer. The seal will function regardless of direction of pressure. The design is optimized to ensure maximum sealing performance at both low and high pressures. This device is available in many PTFE-filled compounds including materials suitable for high speeds and pressures. Manufactured in a variety of materials and sizes from 6 mm up to 2100 mm in standard or custom diameters.



Low friction

High-speed applications

High-temperature resistance

Low wear

Extrusion resistant

Compatible with a wide range of media

Available in diameters up to 2100 mm


The 192 Series Rod Seal is ideal for high-pressure sealing applications, offering low-friction performance and double-acting operation.

Typical Applications

  • Injection Molding
  • Mobile Hydraulics
  • Hydraulic Presses
  • Used as a buffer seal in a Zero-Leak Technology System

System Seals’ unique filled PTFE compounds provide ultra-low friction and high-speed performance with minimal wear. The standard compounds are PTFE with Bronze filler, or PTFE filled with Glass-Moly. The temperature range of the seal can be increased by selecting a FPM O-Ring in place of the standard NBR O-Ring.

Material Code
PTFE-Bronze Compound + NBR O-Ring MT23
PTFE-Bronze Compound + FPM O-Ring MT26
PTFE-Glass/MoS2 compound + NBR O-Ring MT83
PTFE-Glass/MoS2 compound + FPM O-Ring MT86
Temperature MT23


hydraulic oil -30…+100 -22…+212 -30…+100 -22…+212
water oil emulsions (HFA) - - +5…+60 +40…+140
water-glycol fl uids (HFC) - - -30…+60 -22…+140
polyol esters (HFD) - - - -
water - - -5…+100 +40…+212
Speed 5 m/s (16.5 ft/sec)
Pressure 400 bar (6000 psi)

Note:for other materials or fluids please contact our engineering department