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ZSi Products

Breco Products

Series "4000" - [Pioneer AG Interchange]
Socket, Female Thread
Sizes and Pricing

Plug, Female Thread
Sizes and Pricing



BRECO Series "4000" couplings feature steel ball check valves for rugged dependability in heavy-duty hydraulic applications, within rated working pressures. Socket and plug are precision machined from solid bar stock. A dependable ball-locking mechanism holds the mating halves together, and critical parts are induction hardened for durability.


The Series "4000" brings to the industry a proven design for use on construction equipment, agricultural machinery, oil tools, steel mill machinery, and other demanding hydraulic applications.

Special Order Information:Standard seal material is Buna-N (Nitrile), other seal options are available. Consult factory.


Body Size 1/4" 3/8" 1/2" 3/4" 1"
Rated Pressure
3000 3000 3000 3000 3000
Rated Flow
3 6 12 28 50
Temperature Range
(Std seals)
-40° to +250° F

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