TY JOUR TI ASSESSMENT OF VALVING SYSTEM DESIGN RISK UNDER CONDITIONS OF EXTREME OPERATION KW design risk KW pulse valve KW failure probability KW metal bellows KW redundancy. JO Bulletin of Bryansk state technical university AU Petrovskiy, E.A. AU Bashmur, K.A. AU Terasmes, K.S. PY 2018 IS 2018 PB Bryansk State Technical University