Design Optimisation of a Disc and Pressure Drop Behavior of a Piston Check Valve
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2018, Vol 8, Issue 1
Abstract
A piston check valve comes under a Check Valve category, which normally allows fluid to flow through it in only one direction. Piston check valves are generally used to protect pumps or similar equipment, allowing the flow in only one direction and preventing flow reversal due to back pressure. The piston check valves are designed with globe valve bodies, producing an increased drop pressure in the pipeline. This design provides a tight seal as well as a fast reaction to the closure impulse. In this paper, we present design optimization of a disc and pressure drop behavior of a piston check valve which we supplied to a client of size DN25 x CL150 by completing all the tests as per the standards and valve is dispatched to the client location after post installation due to some practical requirement client needed more outlet pressure from the valve, but changing the valve with different valve and change the size of the valve is not possible as the whole project installation is already done. After several discussions with client, we decided to change the geometry of internal part of the valve. In order to achieve that we created three-dimensional numerical simulations and flow setup arrangements like fitting, setup for air and liquid sources, setup for digital reading of pressure by using differential pressure gauges. We did numerical calculations which shows the behavior of the flow in client service condition. Based on the values obtained from the above steps, we finalized the disc design which will give required outlet pressure and we send the finalized disc to client location for approval. This design is finalized, which gives a maximum flow rate as per the client requirement and we got approval from the client and we delivered the updated design to site successfully.
Authors and Affiliations
JVS PRAVEEN, MEHBOOB PATHAN
Keywords
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- EP ID EP281002
- DOI 10.24247/ijmperdfeb2018114
- Views 89
- Downloads 0
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