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The “VEP-HD” screw flat face coupling series is another example of the continuous improvement of Stucchi products. Designed for heavy duty applications with high operating pressure, high impulse frequency, and mechanical stress. The “VEP-HD” quick couplings are manufactured in high resistance carbon steel material treated with special nitriding treatment to increase the wear resistance of the coupling. This series has been tested to 1’000’ 000 impulse cycles. The triple valve system allows a connection of the coupling safely even in presence of high internal residual pressure and at the same time avoiding fluid loss during the connection-disconnection process. QPQ-treatment provides better corrosion resistance.
  • *Connection under residual pressure is allowed in both sides, the internal valve system allows an easy connection and the disconnection is included.
  • Flat face is easy to clean, reducing the inclusion of contamination to the hydraulic circuit.
  • Minimal fluid loss during disconnection, reducing fluid loss to the environment.
  • Minimal air inclusion during connection / disconnection.
  • Patented internal valve design creates minimal pressure drop, maintaining circuit efficiency in the system.
  • Internal pressure release valve system allows an easy connection with high internal residual pressure.
  • The modular design allows flexibility with a wide range of configurations.
  • High resistance at impulse pressures.
  • Safe and simple to use.

More tools are featured in tool catalog.

Technical data:

Technical data

  • Connection possible against 250 bar pressure
  • BSP-thread is availaable in the storage,NPT and UNF-threads also available upon request
Coupling size Flow l/min Max working pressure connected, bar Max working pressure disconnected, bar
Nipple Coupling
½” 90 600 600 420
¾” 200 500 500 330
1” 378 470 470 300
1 ½” 750 400 400 270

Product code Coupling size Thread size BSP
VEP17HD 1” (F) Coupling ¾” 1”
VEP17HD 1” (M) Nipple ¾” 1”
VEP21HD 1¼” (F) Coupling 1” 1¼”
VEP21HD 1¼” (M) Nipple 1” 1¼”
VEP30HD 1¼” (F) Coupling 1½” 1¼”
VEP30HD 1¼” (M) Nipple 1½” 1¼”



Caps Product code
For coupling VEP13 815300074
For nipple VEP13 815300075
For coupling VEP17 815300078
For nipple VEP17 815300079
For coupling VEP21 815300080
For nipple VEP21 815300081
For coupling VEP30 815300082
For nipple VEP30 815300083