Design and Development of Double Offset Butterfly Valve

Design and Development of Double Offset Butterfly Valve
Authors : Piyush P. Nagpurkar, Prof. R. S. Tajane
Publication Date: 01-07-2014


Author(s):  Piyush P. Nagpurkar, Prof. R. S. Tajane

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol. 3 - Issue 7 (July - 2014)

e-ISSN:   2278-0181


Valves are mechanical devices specially designed to direct, start, stop, mix or regulating the flow, pressure of a process fluid. A butterfly valve typically consists of a metal disk formed around a central shaft, which acts as its axis of rotation. As the valve's opening angle is increased from 0 degrees (fully closed) to 90 degrees (fully open), fluid is able to more readily flow past the valve. These valves are commonly used to control fluid flow inside of piping systems. The main objective of this study is to find out stresses developed in butterfly valve Shell and Disk. This report contains the information about design and development for the 4’’ X 150# Butterfly Valve with Double Eccentricity using ANSYS. It comprises the calculations which are required for design of Butterfly Valve such as Shell Thickness, Disc Thickness, Stem Diameter and Calculation of Torque using ASME, IBR. Also includes the modeling and assembly of butterfly valve using Pro-E. After this work, we will discuss Finite Element Analysis of Butterfly valve Shell and Disc. The solid model will discretized into finite elements and logical constrains will applied in boundary conditions. The stress results obtained in finite element analysis will have to check whether, is there a chance for optimization of design.


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