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Masoneilan* 21000 Series Top-Guided Globe Control Valve

 

The Masoneilan 10000 Series double-seated control valve combines excellent high pressure drop control performance along with the ability to handle dirty fluid applications.  The dual port design provides a pressure balanced effect within the valve, which reduces actuator size and thrust requirements. 
 
 
 
 
 
 
 
 
 
 
 
   

 

 

 

Features & Benefits

               
                   
• Robust construction supports long-term smooth operation helping to enhance process uptime
 
 
• Versatility of options reduces inventory and training and meets a wide range of application requirements in a variety of industries
 
 
• Heavy top-guiding offers excellent support resulting in improved process control and higher process yieldsthroughout the entire operating range
   
• Low part count and simple construction provide ease of operation and maintenance
   
   
Reliable performance with standard solutions to control noise, cavitation, and valve leakage improving plant operating efficiency
   
 

• Commonality of parts with the Masoneilan 80000 Series three-way control valve helps reduce onsite inventory

requirements

   
 
 
 
                   
Application :
                 
 

The Masoneilan 21000 Series control valve is designed to handle a wide range of applications across various industries. It is well-suited for control loops with typical service conditions and operating requirements as follows:

 

• Clean and dirty process fluids

• Moderate to high pressure drops

• Tight shutoff seat leakage

• High noise gas applications

• Cavitating & flashing liquid applications

• Low emissions and zero leakage options

• Low temperature and cryogenic applications

 
                   
Design
                 
                   
The Masoneilan 21000 Series is a robust design providing many standard options within a common valve platform. Customers benefit with a simple, flexible, and field-proven concept that is easy to install, operate and maintain.
                 
• Heavy top-guided construction provides excellent alignment for reliable valve operation
• Low emissions packing option reduces external leakage to atmosphere to meet environmental regulations
• Bellows seal construction provides zero leakage performance for toxic or lethal fluid applications
• Low noise and anti-cavitation trim options effectively minimizes the impact to the environment and valve integrity
                   
Spesification
                 

 

Sizes: 
3/4" through 8" (20 through 200 mm)

 

Ratings and Connections: 
Flanged: ASME 150 – 2500 UNI-DIN 20 – 420 
Welded: BW or SW 
Screwed: NPT 3/4" through 2" (20 through 50 mm)

 

Body Materials: 
Carbon steel 
Stainless steel 
Chrome-moly

 

Actuator: 
Model 87/88 multi-spring diaphragm

 

Trim: 
Single seat plug top guided. 
Lo-dB and anti-cavitation trims, single or double stage are available

 

Inherent Flow Characteristics: 
Linear or equal percentage