DN 50 Globe Control Valves

Valve Type	Globe Valve
Valve Size	2 inch
Pressure Rating	150 Class
Port Size	50 mm
Flow Characteristic	Equal Percentage
Body Material	Carbon Steel
End Connection Type	Flanged
Automation Grade	Automatic
Actuation	Pneumatic
End Connection	Flanged
Operation	Pneumatic Actuator
Media	Steam, Oil, Gas, Water, Air
Material	Carbon Steel
Maximum Pressure	22 Kg
Design Standard	API
Positioner	Electropneumatic
Seat Type	Metal Seated
Maximum Temperature	400 C
Leakage Class	Class IV
Valve Pattern	Straight Pattern
Application	Hot Water / Hot Air / Oil / Steam / Gas

Minimum order quantity: 1 Piece

A globe control valve is a linear motion valve used primarily to regulate flow, pressure, or temperature in industrial processes. It consists of a movable plug or disc that moves perpendicular to the seat, inside a spherical or globular-shaped casing, allowing for tight shut-off and precise throttling control.Construction and Design Features

• Body: The main body is usually spherical or globular to accommodate the internal seat and stem arrangement.
• Disc/Plug: A movable element that modulates flow by moving towards or away from the seat.
• Seat: The stationary part against which the disc seals to stop flow completely.
• Stem: Connects the actuator to the disc and moves the valve plug vertically to open or close the valve.
• Bonnet: Covers the stem and packing, allowing stem movement while preventing leaks.

FunctionalityThe globe control valve operates by adjusting the position of the disc relative to the seat, which varies the flow rate. This design provides better throttling characteristics than other valves (like gate valves), allowing fine control over fluid flow. The flow path typically involves the fluid changing direction inside the valve, contributing to higher pressure drop compared to some other valves.Advantages

• Precise Flow Control: Excellent throttling ability enables accurate regulation of flow rate.
• Good Shutoff Capability: Can tightly seal the flow when fully closed.
• Versatile: Suitable for various types of fluids, including gases, liquids, and steam.
• Easy Maintenance: Internal parts are accessible via the bonnet for repair or replacement without removing the valve body from the pipeline.

Disadvantages

• Higher pressure drop compared to ball or gate valves due to the tortuous flow path.
• Larger and heavier than some other valve types for the same nominal size.

Common ApplicationsGlobe control valves are widely used in process industries such as:

• Power plants for steam control
• Chemical and petrochemical plants for precise fluid control
• Water treatment plants
• HVAC systems
• Oil and gas pipelines