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Globe valve
Product classification of Meiyan One Pump Valve
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- ShangHai Meiyan Yi Pump & Valve Co.,LTD.
- Sales hotline：
+86 21 5640 2009 - Pump customer service：
+86 138 1691 3072 - Valve customer service：
+86 1381 6913 072 - E-mail：
my1pv@1bengfa.com
Globe valve
A globe valve is a valve that uses a valve disc as an opening and closing element and moves along the axis of the valve seat, mainly used to cut off fluids. It can also be used to regulate flow in situations where the regulation performance is not high. Globe valve is a commonly used valve on pipelines. There are three common forms of valve body flow channels for globe valves: straight through, straight through, and right angle. Straight through globe valves have high fluid resistance, and in order to reduce fluid resistance, straight through (Y-shaped) globe valves and right angle globe valves have emerged. DC type is commonly used for fluids containing solid particles or high viscosity. Right angle type is used for high and medium pressure right angle pipelines. The main advantage of the globe valve produced by Shanghai Meiyanyi Pump Valve is that it opens and closes quickly, and there is generally no relative sliding between the sealing surfaces during the opening and closing process, making it less prone to wear and tear; The maintenance of valve disc and valve seat is convenient. The main other classification forms of globe valves are generally distinguished by materials, including various models and specifications of special materials such as carbon steel globe valves, forged steel globe valves, stainless steel globe valves, forged stainless steel globe valves, chromium molybdenum steel globe valves, etc. The following product pictures are for reference only.
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flange globe valve
The working principle of a flange globe valve is to drive the valve disc to move in a straight line through the lifting and lowering of the valve stem, thereby achieving the opening and closing function. When the valve stem rotates, the valve disc moves in a straight line along the centerline of the fluid, allowing the medium to flow or stop. Specifically, when the handwheel rotates clockwise, the valve stem rises, the valve disc rises, and the medium flows; When the handwheel rotates counterclockwise, the valve stem descends, the valve disc descends, and the medium is cut off. The advantages of the flange globe valve produced by Shanghai Meiyan Yi Pump Valve include: simple structure, easy flange connection installation and maintenance disassembly, short opening and closing time, and fast opening and closing speed due to its short working stroke; Good sealing performance: The sealing surface of the valve disc is tightly adhered to the sealing surface of the valve seat, providing excellent sealing performance.View details>>
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Electric globe valve
Electric globe valve can be configured with multi turn electric actuators or angular stroke electric actuators, including switch type, regulating type, intelligent type, etc. Electric globe valve is a forced sealing valve, and the opening and closing valve disc has circular flat sealing type and U-shaped linear sealing type, mainly used to cut off or regulate the flow of medium. When it is closed, pressure needs to be applied to the valve disc to ensure that the sealing of the valve disc and the sealing surface of the valve seat do not leak. The valve disc of the electric globe valve is driven by the electric actuator to rotate the valve stem, and moves up and down along the axis of the valve seat sealing surface, thereby achieving the purpose of opening and closing. The electric globe valve produced by Shanghai Meiyan Yi Pump Valve emphasizes its standardization and normalization, and is suitable for various industrial pipeline systems.View details>>
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Pneumatic globe valve
Pneumatic globe valve refers to a valve composed of a pneumatic actuator and a globe valve body, generally equipped with a gas source triple piece, limit switch, etc. The solenoid valve of the pneumatic actuator receives current or voltage signals and gives opening and closing instructions to the gas source pipeline. The pressure of the gas source drives the valve stem or spool of the pneumatic globe valve to move, thereby achieving the opening and closing adjustment action of the valve. Pneumatic globe valves require significant thrust and fluid resistance when opening and closing. And only one-way flow of the medium is allowed. During installation, attention should be paid to the flow direction of the medium to ensure the normal operation of the valve. Pneumatic globe valves have the disadvantage of weak sealing reliability during long-term operation. Although they have good initial sealing performance, their long-term reliability is not very strong. When selecting, it is necessary to choose correctly according to the actual working conditions. They are generally suitable for occasions with explosion-proof requirements or convenient use of gas sources.View details>>
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Hydraulic globe valve
Hydraulic globe valve is a valve that uses a hydraulic cylinder as the actuator of the globe valve. It uses hydraulic pressure as the kinetic energy to drive the valve, and then controls the hydraulic actuator of the valve to do work through the hydraulic system to open and close the valve. When the hydraulic cylinder receives signal pressure, the piston inside the hydraulic cylinder will push the push rod to move, thereby driving the valve core or stem to move. When the hydraulic system provides sufficient pressure, the spool of the hydraulic cut-off valve will be pushed, thereby changing the gap between the spool and the valve seat, achieving fluid on/off. Specifically, when the valve core moves downward, the gap between the valve core and the valve seat gradually narrows and eventually closes completely, thereby preventing the passage of fluid. On the contrary, as the spool moves upward, the time gap gradually increases, allowing fluid to pass through. By adjusting the pressure and flow rate of the hydraulic system, precise control of fluid flow can be achieved.View details>>
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Forged steel globe valve
Forged steel globe valves are valves suitable for high-pressure, high-temperature, and highly corrosion-resistant media. They are mainly made of various forged steel and stainless steel materials, with pressures ranging from PN16-PN320. The pressure of American standard forged steel globe valves can reach up to 4500LB. The working principle of forged steel globe valve is based on its structural characteristics. When the medium enters the valve from below the valve disc, the operating force needs to overcome the frictional force between the valve stem and packing, as well as the thrust generated by the medium pressure. Therefore, the force required to close the valve is greater than that required to open it. To ensure sealing, when the globe valve is in the fully open position, the opening height of the valve disc is usually 25% to 30% of the nominal diameter. Shanghai Meiyanyi Pump Valve's forged steel globe valve has various connection methods such as flange connection, threaded connection, socket welding, and butt welding. New and old users are welcome to choose.View details>>
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Stainless Steel Globe Valve
Stainless steel globe valves are mainly made of cast stainless steel and forged stainless steel materials, including stainless steel 321, 304, 304L, 316, 316L, duplex stainless steel, etc. Stainless steel globe valves can be divided into flange connection, threaded connection, and welded connection according to the type of connection. Stainless steel globe valves can also be divided into manual, pneumatic, hydraulic, and electric types according to the valve driving method. The stainless steel stop valve produced by Shanghai Meiyan One Pump Valve is widely used in pipeline equipment in chemical, shipping, pharmaceutical and food machinery industries due to its strong corrosion resistance and good corrosion resistance. The design of the newly developed stainless steel globe valve also allows the medium to enter the valve chamber from above the valve disc, so that under the pressure of the medium, the force required to close the valve is relatively small, while the force required to open the valve is relatively large. This design not only reduces operating force, but also improves the sealing performance of the valve.View details>>
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Angle type globe valve
The opening and closing component of the angle type globe valve is a plug shaped valve disc, with a sealing surface that is flat or conical. The valve disc moves linearly along the centerline of the fluid at a 90 degree angle, and its main feature is that the inlet and outlet form a 90 degree angle. The movement forms of the valve stem include the lifting rod type (the valve stem is raised and lowered, and the handwheel is not raised and lowered), as well as the lifting rotating rod type (the handwheel rotates and lifts together with the valve stem, and the nut is set on the valve body). Angle globe valves are only suitable for fully open and fully closed, and are generally used for adjustment and throttling, so they are not suitable for situations that require precise flow control. The main features of the forehead type globe valve produced by Shanghai Meiyanyi Pump Valve are its simple structure, easy manufacturing and maintenance, good sealing performance, and long service life. This type of valve is suitable for installation at the corners of pipeline systems, which can save 90 ° elbows and is easy to operate.View details>>
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Special Purpose Stop Valve
Special purpose globe valves refer to specialized globe valves designed and manufactured with special purposes or materials to adapt to special working conditions, such as globe check valves, marine high-pressure external thread bronze globe valves, oxygen specific globe valves, ammonia specific globe valves, Y-shaped globe valves, Japanese standard marine angle globe check valves (anti wave valves), etc. The working principle of special purpose globe valves generally belongs to the forced sealing type valve. When the valve is closed, pressure needs to be applied to the valve disc to force the sealing surface of the valve seat and the sealing surface of the valve disc to seal without leakage. When the medium enters the valve from below the valve disc, the resistance that the operating force needs to overcome is the frictional force between the valve stem and the packing, as well as the thrust generated by the pressure of the medium. The force required to close the valve is greater than the force required to open it, so the diameter of the valve stem must be larger than that of a regular valve, otherwise the valve stem will bend due to failure. Welcome new and old users to call or write to inquire about customization.View details>>
Contact us
- Sales hotline：
+86 21 5640 2009 - Pump customer service：
+86 138 1691 3072 - Valve customer service：
+86 1381 6913 072 - E-mail：
my1pv@1bengfa.com
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