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Fluid Controlling  
 
Keystone Valve Butterfly Valves-Series 61
   

Butterfly Valves
Series 61 Resilient Seated

Size Range:
Series 61W (wafer) 2" – 24”
Series 61L (lug) 2" - 24"

Pressure Rating:
2" - 12" 235 psi
14" - 24" 150 psi

Flange Standard:
ASME Class 125 / 150

Ideally suited for many general industrial valve applications such as cooling systems, water treatment, chemical, mining, food and beverage as well as bulk handling. Two-piece body with extended neck allows clearance for flanges and insulation. The resilient seat provides bi-directional drop-tight shut-off, isolates the valve body and stem from the line media and also serves as the flange seal. Single piece disc stem in 2” – 12” sizes allows for higher Cv’s and greater range of control as well as disk coatings such as nylon 11.

 

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  Technology Introduction
  Product Catalog
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Butterfly Valves-Series 61
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  Typical Applications
  Specification
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