VP Series Flat Face Couplers

Stucchi VP Series Auto-Lock Sleeve Flat Face Couplers are the most popular solution for high residual pressure. With an auto-lock sleeve and the ability to connect/disconnect with high residual pressure, the VP series provides positive secondary retention in hydraulic circuit applications subject to high-pressure impulses and circuits which experience high residual or trapped pressure in a line.

Stucchi VP Series Flat Face Couplers



  • Size range: 1/4” thru 1 1/2”
  • Port options: NPT, SAE, BSP, Flange Ports
  • Connect/disconnect up to 25 MPa/3625 psi residual pressure
  • Working pressure: 40-60 MPa/5800-8700 psi range
  • Safety auto-lock sleeve provides positive secondary retention


  • All construction equipment applications with higher pressure requirements or connection/disconnection issues with tool attachments under residual pressure
  • All large equipment needing junction points in circuit: cranes, drilling machines, oil field, well head drives, porta-power
  • Excavators w/auxiliary line for attachments: thumbs, grapples, hammers
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