GLOBE VALVES are normally installed with flow and pressure under the plug. These valves are uni-directional and are used mainly for throttling application. Prolonged throttling at less than 10% open is not recommended due to the possibility of excessive vibration noise and damage to plug and seats. Globe valves when used as by-pass valve, the pressure class rating of globe valve must be minimum to that of the pipeline or main valve where the valve is going to be installed. Globe valve plug is designed for quick opening.