This document specifies the interface dimensions for interchangeability and specifies the performance requirements for hydraulic quick-action couplings, flush-face type, for use at pressures of 10 MPa (100 bar) to 31,5 MPa (315 bar), depending upon the coupling size.
Couplings in accordance with this document are not designed to connect or disconnect under pressure.
Couplings in accordance with this document provide for automatic sealing of the fluid pressure on the upstream side and on the downstream side when the coupling is disconnected.
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