The Emco standard Safe Breaks have a shear pin design and cannot be reconnected. The double poppet design seals both hoses upon separation to ensure no product is released.
EWA2119-003
20mm (¾”) Emco Shear Pin Safe Break – BSPP Threads
EWA3019-003
25mm (1”) Emco Shear Pin Safe Break – BSPP Threads
Emco A2119 20mm Safe Break.pdf