72.3 Type Rotary Plug Control Valves (Long Pattern)

The '72.3 Rotary Plug Control Valves (Long Pattern)' merge rotary efficiency with precise globe control, boasting maximum flow capacity, high rangeability (up to 200:1), and an anti-blowout valve shaft design for enhanced reliability. Featuring a straight through flow path, they reduce turbulence and noise, with low emissions packing for minimal maintenance. Their double eccentric plug design ensures frictionless operation and superior control accuracy. Available in sizes 1" to 20" and ANSI Class 150 to 300, crafted from carbon or stainless steel, they withstand temperatures from -148 to 752°F (-100 to 400°C).
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Key Features

Key features and benefits of 72.3 Type Rotary Plug Control Valves (Long Pattern)
1

Key Features

The valve offers a free flow path when open, resulting in less turbulence during operation. This feature not only reduces noise but also minimises wear on internal and guiding parts, enhancing the valve's longevity and efficiency.
2

Key Features

Equipped with a spring-loaded, self-adjusting packing mechanism as a standard feature, this valve minimises emissions and maintenance requirements.
3

Key Features

With a double eccentric plug design, this valve eliminates friction during both opening and closing actions. This feature not only ensures smooth operation but also reduces wear on internal components, thereby extending the lifespan of the valve.

Valve Standards & Stuff
Maximum Pressure Rating: 150 to 300
Temperature Range: -148 to 75°F (-100 to 400°C)
Size Range: 1" to 20"
End Connection: Flanged
Weight Range (kg): 8 to 1500
Body Material: Cast Steel, Cast Stainless Steel, Special Alloys (Duplex, & Hastelloy)
Application: Double eccentric control valve for process engineering and industrial applications

FAQs

What is a control valve and how does it work?
A control valve regulates the flow of fluid by varying the size of the flow passage as directed by a signal from a controller. This adjustment impacts the rate of flow as well as the process quantities such as pressure, temperature, and fluid level.
What are the main types of control valves?
The main types of control valves include globe control valves, which offer precise flow control; rotary control valves, known for their versatility and efficiency; and specialty control valves, designed for specific, often challenging applications.
How do I choose the right type of control valve for my application?
The choice depends on several factors including the nature of the material to be controlled (liquid, gas, or steam), the required flow rate, the pressure drop across the valve, and the specific control characteristics needed. Consulting with a valve specialist is often recommended.
What are globe control valves and their advantages?
Globe control valves are characterized by a linear motion to throttle flow. They are highly effective for precise control in low to moderate flow rates and are favored for their ability to handle a wide range of operating temperatures and pressures.
Can rotary control valves be used for slurry applications?
Yes, certain rotary control valves are designed to handle slurry applications. Their design minimizes cavitation and erosion, making them suitable for liquids with suspended solids. However, the specific choice of valve depends on the slurry's characteristics.
What makes specialty control valves different?
Specialty control valves are engineered to address unique or challenging conditions not met by standard globe or rotary valves. This includes extreme pressures or temperatures, handling hazardous materials, or precise control demands.
How can I ensure the longevity of my control valves?

Keep your control valves in top shape with regular maintenance, such as cleaning, lubrication, and part inspections. Using compatible materials and staying within operating limits also helps extend their service life.

What role does material selection play in control valve performance?
Material selection is critical for ensuring compatibility with the fluid, resistance to corrosion or erosion, and suitability for the operating temperature and pressure. Incorrect material selection can lead to premature valve failure and operational issues.

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72.3 Type Datasheets & Certificates

  • Document
DATASHEET

72.3 Type Rotary Plug Control Valve
  • Document
DOCUMENT

Mounting & Operations Instructions
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72.3 Type Rotary Plug Control Valves (Long Pattern)