
A globe valve is a type of valve used to regulate the flow of fluids through a pipe by controlling the size of the flow passage. Unlike ball or gate valves, which are primarily used for on/off control, globe valves are specifically designed for flow regulation and throttling. The valve's name is derived from its spherical body shape, which is typically divided by an internal baffle to direct the fluid through the valve.
Globe valves are widely used in applications where precise control over fluid flow is essential, and they are effective in both high and low-pressure systems.
-
Forged Steel Globe Valve | API 602 Forged High-pressure T...Welcome to our product page for the Forged Steel Globe Valve, a linear-motion throttling/regulating/shut-off valve with precision forged core components for critical piping service. Available in NPSread more
-
American Standard Forged Steel Welding Shut-off Valve | A...Welcome to our product page for the American Standard Forged Steel Welding Shut-off Valve, a high-pressure high-temperature linear motion control valve with integral forged body and butt/socket weldread more
-
Vent Drain Valve | Dual-function Automatic Air Vent & Liq...Welcome to our product page for the Vent Drain Valve, a compact dual-function valve integrating air venting and liquid draining in one unit. It vents trapped air at pipeline high points to preventread more
-
Hydraulic Emergency Shut-off Valve | Self-Contained ESD F...Welcome to our product page for the Hydraulic Emergency Shut-off Valve (ESD Valve), a self-contained fail-safe safety valve designed for rapid isolation of hazardous fluids (oil, gas, chemicals,read more
-
Gas Emergency Shut-off Valve | Automatic Fail-safe Gas ES...Welcome to our product page for the Gas Emergency Shut-off Valve (Gas ESD Valve), an automatic gas safety shut-off device that cuts off gas supply on leak, overpressure, fire or power failure toread more
-
Gas Shut-Off Valve | Manual/Automatic/Smart Prepayment Ga...Welcome to our product page for the Gas Shut-Off Valve, a precision gas flow control and safety isolation device for residential, commercial and industrial gas systems. It is available in manual,read more
-
Internal Threaded Plunger Valve | Dual-seal Zero-leakage ...Welcome to our product page for the Internal Threaded Plunger Valve, a linear-motion industrial fluid control valve with dual-seal-ring zero-leakage structure and internal thread connections.read more
-
Flanged Plunger Valve | Class A Zero-leakage Industrial P...Welcome to our product page for the Flanged Plunger Valve, a high-performance industrial fluid control valve with flange connection and interference-fit plunger-seal structure, achieving ISO 15848-1read more
-
Sleeve Type Blow-down Valve | Anti-Cavitation Linear Flow...Welcome to our product page for the Sleeve Type Blow-down Valve, a high-performance throttling, pressure-reducing and blowdown valve featuring sleeve sliding nozzle anti-cavitation design and linearread more
-
Throttle Globe Vent Valve | Triple-function Throttling + ...Welcome to our product page for the Throttle Globe Vent Valve, an integrated triple-function linear motion valve combining precise throttling, tight shut-off and gas/fluid venting in one body. Itread more
-
Low Temperature Cryogenic Globe Valve | Long-neck Zero-le...Welcome to our product page for the Low Temperature (Cryogenic) Globe Valve, a linear-motion cut-off and flow control valve engineered for ultra-low temperature cryogenic media from -40℃ down toread more
-
Forged Steel Low‑temperature Globe Valve | OS&Y Extended‑...Welcome to our product page for the Forged Steel Low‑temperature Globe Valve, a high‑strength cryogenic isolation & throttling valve built from precision‑forged steel for ultra‑low‑temperatureread more
Key Characteristics of Globe Valve Series
Design and Construction:
- Body Shape: The body of a globe valve is typically spherical or globe-shaped, with an internal baffle or partition that creates two flow paths: one from the inlet to the valve seat and another to the outlet.
- Gate/Disc: The main component of a globe valve is the disc (or gate), which moves vertically to open or close the flow path. The position of the disc relative to the seat determines the flow rate.
- Seat: The valve seat, usually made from a resilient material like metal or elastomer, provides the sealing surface against the disc to stop the flow when the valve is closed.
Operation:
Globe valves are typically operated by turning a handwheel or actuator, which raises or lowers the disc. The disc is pressed against the seat when closed, creating a tight seal.
The flow control mechanism is achieved by adjusting the position of the disc. The more the disc opens, the larger the flow path becomes, allowing more fluid to pass through.
Flow Regulation:
Unlike gate valves, which are designed for on/off service, globe valves are primarily used for throttling or regulating flow. They provide precise control by adjusting the size of the flow opening.
Globe valves are not as efficient for fully open or fully closed operations because of the larger pressure drop compared to other valve types, but they are ideal for applications where modulating the flow is required.
Types of Globe Valve Series
Standard Globe Valve
This is the most common type, used for flow regulation and control in general-purpose applications.
Angle Globe Valve
The inlet and outlet of the valve are oriented at an angle, which helps minimize the pressure drop in certain applications and is often used in steam systems.
Double-Seat Globe Valve
This design has two seats and discs, which improve sealing and flow characteristics. These valves are more effective in reducing seat wear and ensuring a better seal over time.
Y-Pattern Globe Valve
The inlet and outlet are arranged in a "Y" shape, which reduces flow resistance and pressure drop. This configuration is particularly useful in high-flow applications and where space is limited.
Applications of Globe Valve Series
Globe valves are commonly used in industries where precise control of flow is necessary, such as:
Water Treatment Plants
To regulate water flow during filtration and purification processes.
Oil & Gas
For controlling the flow of oil, gas, and other fluids in upstream, midstream, and downstream operations.
Chemical Processing
To control fluid flow in reactors, mixing, and other chemical processes.
Power Plants
For controlling steam and water flow in boilers, turbines, and cooling systems.
HVAC Systems
In heating, ventilation, and air conditioning systems to modulate water or steam flow in heating and cooling coils.
Food and Beverage
To regulate liquid flow during the processing and manufacturing of beverages, dairy products, and other consumables.
Advantages of Globe Valve Series
Precise Flow Control
Globe valves are excellent for throttling and regulating fluid flow, making them ideal for applications requiring fine control.
Tight Shutoff
The design of the disc and seat allows for a strong seal when the valve is closed, preventing leaks and ensuring tight shutoff.
Durable
Globe valves are built to last and can withstand high temperatures, pressures, and aggressive fluids.
Versatile
Globe valves can handle a wide range of fluid types, including liquids, gases, steam, and slurry.
Conclusion
The globe valve series refers to a range of valves specifically designed for flow regulation and throttling in various systems. With their spherical body and vertically-moving disc, globe valves provide precise control over fluid flow and are ideal for applications requiring fine adjustments. While they may cause higher pressure drops and take longer to operate compared to other valve types, their ability to precisely control flow makes them indispensable in industries like chemical processing, water treatment, power generation, and oil & gas.
We're well-known as one of the leading globe valve series manufacturers and suppliers in China. Please rest assured to wholesale cheap globe valve series from our factory. Good service and quality products are available.
high quality cast iron globe valve flanged type, actuator globe valve, 1 4 globe valve