English to Russian Tech/Engineering Petroleum Eng/Sci Трубопровод - список неполадок

517. FV-12009 too much open (side slip stream) because failure of control system. (cont.)
518. FV-12014 too much open (minimum flow line of main pump)
619. No pressure in the flash column after the PV-11106 is too much open. (E.G.: After ESD)
6. Less flow to the flare while depressurizing the pipeline E.G. restriction orifice partially blocked or hand valve too much closed
590. PV or PT-11106 too much closed when required. (Control loop failure) (cont.)
686. SDV-11004 too much closed (outlet of level measurement)

По сути понятно, что речь идет о некоем чрезмерном открытии или закрытии клапана (вентиля?). Интересует правильный технический термин.