Low/High Temperatures [Classic 21 Series] 2151B8012

 

 

  • ¼” to 1 ½” Port Sizes
  • 2, 3 or 4-way valves
  • High Temperature and Low Temperature Applications
  • Readily Adaptable to Vacuum Service
  • Extreme Temperature Range Options including up to 300° F (150° C) for pressure controlled models and down to -40° F (-40° C) with Buna-N Seals

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Product Information

Valve Type Directional Control
Series 21
Application Low Temperature
Actuation Pneumatic
Function 2/2 Single Pilot
Default Position Normally Closed
Return Spring
Thread Type NPT
Inlet Pipe Size 1-1/2"
Outlet Pipe Size 1-1/2"
Construction Poppet
Mounting Inline
Pilot Type External
Size 1-1/4
Avg Cv 21.0
Duty Rating Continuous Duty
Ambient Temperature -40 to 120 F (-40 to 50 C)
Ambient Temperature (Celsius) -40 to 50
Media Temperature -40 to 175 F (-40 to 80 C)
Media Temperature (Celsius) -40 to 80
Fluid Media Filtered air
Operating Pressure 30 to 150 psig (2 to 10 bar)
Operating Pressure (bar) 2 to 10
Pilot Supply Minimum Equal to or greater than inlet pressure
Length 6.63 in (168 mm)
Length (mm) 168
Width 4.09 in (104 mm)
Width (mm) 104
Height 7.49 in (190 mm)
Height (mm) 190
Weight 11.0 lb (5.0 kg)
Weight (kg) 5.0
Valve Body Material Cast Aluminum
Poppet/Spool Material Aluminum and Stainless Steel
Seal Material Fluorocarbon