| 摘要 |
<p>PCT No. PCT/EP97/05913 Sec. 371 Date Apr. 19, 1999 Sec. 102(e) Date Apr. 19, 1999 PCT Filed Oct. 17, 1997 PCT Pub. No. WO98/19097 PCT Pub. Date May 7, 1998A valve fitting comprises a female element and a male element. The elements are composed of fixed parts and axially sliding parts that, when at rest, arrange themselves in a closing position of a passage opening for fluid and in occurrence of the coupling between the two elements are displaced by their engagement with corresponding parts of the other element to an opening position of the passage opening. The male element includes a safety valve to intercept a fluid feed substantially at the end of the coupling manoeuvre of the two fitting elements. The male coupling member includes also a pressure relief valve interposed between the fluid feed and a pressure relief chamber.</p> |
