PRODUCTS >> Pneumatic Group Products >> Process Valves >> High Purity Valves >> Parker PFA/PTFE 1/4", 1/2", 1" Slurry Valves, Manual

Parker PFA/PTFE 1/4", 1/2", 1" Slurry Valves, Manual

 
 
 
The MV-20 Series is designed for slurry, ultra-pure water and aggressive chemical or gas applications. The valve has a machined PTFE body for superior chemical resistance.
 
The design has a modified PTFE diaphragm which improves cycle life and provides fewer shears than standard PTFE. The fully swept open bowl diaphragm seat area minimizes fluid shear while the self draining design minimizes area for entrapment and stagnation of media.
 
The high load point seat seal improves the sealing mechanism for aggressive chemicals, deionized water and abrasive slurry media while minimizing the particle contribution of the valve. The valve is offered in three orifice sizes (1/4”, 1/2” and 1”) and port sizes ranging from 1/4” to 1 1/4”.
 
 
Product Features & Benefits:
 
  • Angled and rounded internal flow path provides faster purging and cleaning of valve.
     
  • Flow path design produces less pressure drop which allows for lower pressure requirements upstream and improves fluid flow dynamics.
     
  • Evenly distributed seat sealing forces minimizes diaphragm and valve seat strain while stabilizing valve back pressure capability.
     
  • Maximized diaphragm thickness minimizes potential for permeation while maximizing cycle life.
     
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   Specifications:
 
  • Materials of Construction
     
  • Wetted: PTFE, Modified PTFE
     
  • Non-wetted: PVDF, Viton, PTFE coated SS spring
     
 
  Pressure Ranges:
 
  • 1/4” Orifice: 27” HG vacuum (913 mbar) - 80 PSIG (5.5 bar)
     
  • 1/2” Orifice: 27” HG vacuum (913 mbar) - 100 PSIG (7 bar)
     
  • 1” Orifice: 27” HG vacuum (913 mbar) - 100 PSIG (7 bar)
     

  •  
  • Pressure ranges for operation at ambient temperatures. For use at higher temperatures consult Pressure/Temperature chart on page 3.
     
 
Temperature Ranges:
  • Ambient: 0° - 150° F (-17° - 66° C)

  • Fluid: 0° - 266° F (-17° - 130° C)

 

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