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ZSi Products

Breco Products

Series "W"
[High Pressure Coupling, Enerpac Interchange]
Sockets - Male Thread
Valved and Non-Valved
Sizes and Pricing

Plugs - Female Thread
Valved and Non-Valved
Sizes and Pricing

Note: Protective dust plugs and caps play a crucial role in the life of a quick coupling and no purchase of a hydraulic quick coupling is complete without the selection of an appropriate dust plug and cap which are available as an option.

The Series "W" couplings with their threaded union locking system and precision ball-type check valves, are designed for extreme high pressure applications such as those found on portable hydraulic rams.


  • Machined from solid steel bar stock for durability.

  • The Series "W" has a threaded sleeve locking mechanism, and mates with matching male threads on the plug. The two halves must be manually threaded together for connection.

  • Hard, chrome alloy balls are used for valving. They are spring loaded for positive sealing of the valve.

  • The valve provides a metal-to-metal seal between the ball and a coined seat.

  • The body seal is polyurethane which resists high pressure extrusion.

  • A threaded valve retainer provides a valve stop that assures positive valve alignment.

Specifications, Size: 1/4" 3/8"

  • Rated Pressure (psi) Static: 10,000

  • Temperature Range (std seals): -10° to +25010°F.


Series W Pressure Drop
Related Hydraulic Systems