Parker Fluid Connector Group
SM Series Hydraulic Quick Couplings


  • Rated pressures up to 6000 psi
  • Poppet valves have captive seals to minimize seal washout
  • Steel material with standard nitrile seals
  • Standard end configurations include female pipe, straight thread ORB, and British pipe
  • Alternative seal materials available
  • Coupling bodies are steel with zinc and clear trivalent chromate plating (hexachromium free).  


  • Industrial hydraulic lines
  • Mobile equipment
  • High Pressure
  • Manual sleeve
  • Poppet valve
  • Available in body sizes 1/4", 1/2", and 3/4" with pipe thread (NPTF), straight thread (ORB), and British pipe (BSPP) as standard end configurations.

Click to Enlarge

SM Series double shut-off couplings are versatile for use across a spectrum of hydraulic applications where fluid lines require connection and disconnection. Couplers and nipples are steel with nitrile seals and are available in 1/4 through 3/4 inch sizes.