Analysis of Sealing Characteristics of Seated Ball Valves with Hard Seal
In this paper,through taking NPS2 CLASS 1500 seated ball valve with hard seal as an example,the ball surface's sealing mechanism and the theoretical calculation of sealing pressure were sketched,in-cluding making use of ANSYS Workbench to simulate and analyze actual pressure distribution over the sealing surface so as to obtain the difference between the theoretically-calculated value and the simulation result.Changing the pressure angle and the width of the sealing surface and discussing the influence of the pressure distribution over the sealing surface show that,the appropriate pressure angle is near 41° together with a reasonable sealing surface of about 7 mm in width.
seated ball valve with hard sealpressure anglesealing surface widthsealing pressureFEA
NETL
NSTL
万方数据
维普
