21 Series

2156B8011

 

 

  • 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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1-800-GET-ROSS

Technical Service
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2156B8011

$122493
USD

Quantity

Estimated Ship Date: 08/30/2022

**Shipping may be effected by COVID-19 pandemic

*Estimated Ship Date based on standard manufacturing times for quantities of 10 or less. Shipments will be made anywhere in the United States.

Need Help? No Problem!

Customer Service
1-800-GET-ROSS

Technical Service
1-888-TEK-ROSS


Product Information

Description 21 Series High Temp 4/2 Single Pilot Valve, Normally Open, 1-1/2" NPT (In-Out), 1-1/2"NPT (Exhaust)
Valve Type Directional Control
Series 21
Application High Temperature
Actuation Pneumatic
Return Spring
Thread Type NPT
Construction Poppet
Mounting Inline
Pilot Type External
Duty Rating Continuous Duty
Ambient Temperature 0 to 250 F (-17 to 122 C)
Ambient Temperature (Celsius) -17 to 122
Media Temperature 0 to 300 F (-17 to 150 C)
Media Temperature (Celsius) -17 to 150
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
Valve Body Material Cast Aluminum
Poppet/Spool Material Aluminum and Stainless Steel
Seal Material Fluorocarbon
Default Position Normally Open
Function 4/2 Single Pilot
Exhaust Pipe Size 1-1/2"
Size 1-1/4
Height 7.49 in (190 mm)
Height (mm) 190
Width 6.49 in (165 mm)
Width (mm) 165
Length 4.31 in (110 mm)
Length (mm) 110
Inlet Pipe Size 1-1/2"
Outlet Pipe Size 1-1/2"
Weight 12.0 lb (5.4 kg)
Weight (kg) 5.4
Cv (4-3) 27.0
Cv (1-4) 22.0
Cv (1-2) 22.0
Cv (2-3) 27.0
Weight 12.0 lbs (5.44 kg)
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