Universal purpose couplings for air lines

  • An excellent general purpose coupling for connecting factory air supply to pneumatic tools.
  • Steel coupling is suitable for air. Brass or stainless steel are suitable for water. Note that fluid will come out from the plug when disconnected.
  • Critical structural parts of steel models are heat-treated for increased strength giving greater durability and resistance to wear.
  • Available in various body materials, sizes and end configurations applicable to a wide range of applications.



Body Material Steel (Chrome-plated) Brass Stainless steel
Size Thread 1/8" to 1"
Hose Barb 1/4" to 1" hose
Working Pressure MPa 1.5 1.0 1.5
kgf/cm2 15 10 15
bar 15 10 15
PSI 218 145 218
Seal material Working temperature range Seal Material Mark Working Temperature Range Remarks
Nitrile rubber NBR (SG) -20°C to +80°C Standard material
Fluoro rubber FKM (X-100) -20°C to +180°C