MSI raised the bar in the oilfield using proven designs that are enhanced by superior quality and innovation. MSI plug valves are built and tested to the highest standards using advanced manufacturing techniques to ensure optimum performance and reliability. MSI plug valves are used throughout the oil and gas industry worldwide in Standard and H2S service environments. Applications for the MSI plug valve include: Blow-Out Preventer systems, Snubbing, Cementing, Well Stimulation, Sand Separator Systems, Gravel Pack applications, Coiled Tubing systems, Production Testing, Flow Back operations and many other applications.