21 Series

2156B7002

 

 

  • 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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Technical Service
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2156B7002

$112785
USD

Quantity

Estimated Ship Date: 09/08/2022

**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 Low Temp 4/2 Single Pilot Valve, Normally Open, 1-1/4" NPT (In-Out), 1-1/2"NPT (Exhaust)
Valve Type Directional Control
Series 21
Actuation Pneumatic
Return Spring
Thread Type NPT
Construction Poppet
Mounting Inline
Pilot Type External
Duty Rating Continuous Duty
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
Application Low Temperature
Default Position Normally Open
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
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
Inlet Pipe Size 1-1/4"
Outlet Pipe Size 1-1/4"
Length 4.31 in (110 mm)
Length (mm) 110
Weight 12.0 lb (5.4 kg)
Weight (kg) 5.4
Cv (1-4) 21.0
Cv (4-3) 27.0
Cv (1-2) 21.0
Cv (2-3) 27.0
Weight 12.0 lbs (5.44 kg)
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