Zatkoff Delivers Best in Class Compression Set in Aerospace Applications with Parker VM125-75

October 11, 2018


At Zatkoff, we are dedicated to consistently delivering elastomeric solutions for improved performance across a variety of applications. In line with this commitment, we are advancing sealing efficiency in the aerospace industry with Parker VM125-75. With a recommended temperature range of -40°F to 400°F, this incredible fluorocarbon elastomer offers high resiliency across a wide range of temperatures.

VM125-75 also adheres to the strict AMS 7287 specification, exhibiting outstanding compatibility with gas turbine engine lubricants, high thermo-oxidative stability (HTS) lubricants, and a variety of jet fuels. Parker VM125-75 provides best-in-class compression set resistance for low temperature sealing power, and thermal stability to withstand equally extreme high temperatures.

Fully compatible with all aerospace jet fuels and hydrocarbon-based hydraulic oils, VM125-75 provides full protection against leakage. This FKM compound notably enhances sealing functionality over typical “GLT” fluorocarbon elastomers — with distinction — at 392°F (200°C), as illustrated in the graph shown here.

VA179-70 Compression Set

Product Features

  • Best-in-class compression set
  • Outstanding HTS turbine oil compatibility
  • Outstanding jet fuel compatibility
  • Outstanding hydraulic fluid compatibility
  • Temperature Resistance
    • -40°F to 400°F (-40°C to 204°C) temperature range
  • Chemical Resistance
    • Mineral oil and grease, ASTM oil No. 1, and IRM 902 and IRM 903 oils
    • Non-flammable hydraulic fluids (HFD)
    • Silicone oils and greases
    • Mineral and vegetable oil and grease
    • Aliphatic hydrocarbons (propane, butane, natural gas)
    • Aromatic hydrocarbons (benzene, toluene)
    • Chlorinated hydrocarbons (trichloroethylene and carbon tetrachloride)
    • Gasoline (including high alcohol content)
    • Jet Fuels
    • HTS Turbine oils including Mil-PRF-23699, Mil-PRF-7808 Grade 4, and AS5780 Class HPC
    • Very good ozone, weather, and aging resistance
  • Certifications
    • AMS-R-83485
    • AMS 7287 QPL

At Zatkoff Seals & Packings, we are proud to partner with Parker Hannifin to maintain a robust inventory of their extraordinary FKM compounds that deliver superior performance for our customers. Contact us to learn more about VM125-75, or any other industrial products that we carry.


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