A globe valve (GLV) is a type of valve used for regulating fluid flow, both on/off and throttling, it is a control valve. The name globe valve comes from the globular shape of the valve body. This valve is the most common control valve used and can be found in industries such as the oil and gas, chemical, pharmaceutical, shiping, pulp and paper.
Advantages of globe valves are efficient throttling, with minimum wire drawing or disc and seat erosion. As the valve seat is parallel to the line of flow, globe valves are not recommended where resistance to flow and pressure drop are unwanted, because the design of the valve body changes the direction of flow and causes turbulence, and pressure drop within the valve. The shorter disc travel and the fewer turns to open and close this valve save time and wear on the valve stem and bonnet. In most globe and angle valves, seat and disc can be repaired without removing the valve from the line. The angle valve, like the globe valve is used for throttling service. The flow on the inlet side of the valve is at right angle to the flow on the outlet side, making a 90º change in direction. Angle valves eliminate the use of elbows and extra fittings.
Normally globe valves can find in three different forms such as: angle, cross and Straight Globe valve.
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- MSS Standards
MSS SP-42, MSS SP-61, MSS SP-80, MSS SP-81, MSS SP-84, MSS SP-86. - ASME Standards
ASME B16.5, ASME B16.10, ASME B16.20, ASME B16.25, ASME B16.34. - BSI Standards
BS 1873, BS 2080, BS5152, BS 5154, BS 5160, BS 5352.
