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A.B.D. S.A.R.L. Patents |
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Assignee: A.B.D. S.A.R.L.
Address: Orleans, FR
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4458716 |
Device for piloting a safety valve |
July 10, 1984 |
| This device comprises a directional stage including a slide (30,32) of a directional valve, which slide carries a drain valve (34) and a valve of communication (36) with a vessel to be protected.The slide is controlled by the pressure in an intermediate cavity (42). A piloting stage comp |
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