Everlast 50-400 H2S and CO2 Ball and Gate Valve

Everlast 50-400 H2S and CO2 Ball and Gate Valve

Everlast 50-400 is a dual-purpose valve lubricant/sealant that meets Mil-G-6032 “Grease Plug Valve, Gasoline & Oil Resistant”. 50-400 is designed for use in plug valves as a sealant and in ball and gate valves as a lubricant. 50-400 is resistant to organic acids, caustic solutions, and is inhibited for use in H2S and/or CO2. This product has excellent dual resistance to water and petroleum products such as gasoline, jet fuel, lubricating oils, and mixtures of these products. 50-400 can be used in a wide variety of applications from the wellhead to product pipelines.



For use in plug, ball, and gate valves. Suitable for use in hydrocarbon gasses.

DO NOT use in oxygen service.




  • Water insoluble and washout resistant
  • Fully additive treated
  • 100% synthetic
  • High metal adhesion
  • Excellent corrosion resistance
  • Inhibited for H2S and CO2


Physical Properties


  • Consistency, Cone Penetration (D-217) 250 to 300
  • Dropping Point, °F (D-566) – none
  • Oil Separation, % wt. Loss, (D-1742) – 5 max
  • Oxidation Stability, (D-942) – 2 @ 100 hours
  • Rust Prevention, (D-1743) – pass
  • Temperature range: 0 to 400°F
  • Corrosion Inhibitor – Imidazoline Derivative
  • EP Additive – Diester Type


Product Code – 50400




50-400 SDS


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EV 50 400 TDS


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