作者: Joseph K. Iveljic , Jared S. Timko , Kevin J. Mracek , Bruce A. Hotton , George A. Carlson
DOI:
关键词:
摘要: A ball valve includes a body having passageway there through with member disposed in the and mounted for selective rotation between open closed positions to control fluid flow. pair of flange grooves are provided on opposite sides ball, each groove extending radially from passageway. seat rings ball. Each ring has first sealing surface contact an outer annular or tab received associated one grooves. The design further seals respective configuration achieves cantilever effect improve temperature pressure cycling performance valve.