Home  >  Products  >  Loading Technology  >  Swivel Joints


The „heart“ of each loading arm

Our swivel joint is the heart of each loading arm and has an outstanding importance for the safe as well as user and environmentally friendly loading supply.

Our swivel joints meet highly requirements for resistance of the medium, has an easy handling, tightness and duration. A special feature is the low maintenance requirements.

Design of the swivel joints

  • Rigid pipe work get moveable
  • Rotation up to 360° under internal pressure
  • Free of any leakage
  • Long lifetime
  • Swivel Joints “state-of-the-art”

WSS “Super Single” – Split Flange Swivel Joint

  • Hardened ball race
  • Module made of carbon steel, coated
  • Heavy loads
  • Low construction height
  • Module exchangeable
  • Lubricant-free
  • Leak monitoring possible


The swivel joint can be made of ASTM A 105, ASTM A 304 L, ASTM A 316 L and aluminum. Common gasket materials are Viton, PTFE and Kalrez.

Materials for connection flanges according to requirements as per technical details.

DIN and special materials upon request.

WL 2 - Split Flange Swivel Joint

  • Two ball race tracks
  • For a design made of steel the bearing tracks are hardened; for stainless steel the design of the ball race tracks with welded stellites is possible.
  • For heavy loads
  • Double sealing
  • Lubricant-free
  • PTFE lining possible
  • Leak monitoring possible
  • Jacket heating possible

Technical Details

  • Nominal diameter 2", 3", 4", 6"
  • max. operation pressure 40 bar
  • operating temperature -40 °C / +240 °C
  • TA-Luft