Americas +

Vacuum, Low/High Temperatures, DIN & M12 Connection [21 Series] 2171B7V51W-4

  • Perpendicular Poppet Face Seals Creates High-Flow and Positive Sealing
  • Differential Piston Design Delivers Fast and Consistent Response Times
  • Overwhelming Shifting Forces Provides No-Stick Operation
  • High Velocity Air Flow Across Poppet Seats Allows Self-Cleaning and Strong Dirt Tolerance
  • Superior Internal Guidance System and Self-Compensating Seals Delivers Long-Life

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Customer Service

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Need Help? No Problem!

Customer Service

1-800-GET-ROSS

Technical Service
1-888-TEK-ROSS


Product Information

Mounting Inline
Construction Poppet
Application Vacuum
Function 2/2
Default Position Normally Closed
Pilot Type External
Return Spring
Manual Override Non-locking
Thread Type NPT
Duty Rating Continous Duty
Power Consumption 4.5 Watts
Fluid Media Filtered Air
Operating Pressure Vacuum to 150 psig (Vacuum to 10 bar)
Operating Pressure (bar) Vacuum to 10
Pilot Supply Minimum Must be equal to or greater than inlet pressure
Valve Body Material Cast Aluminum
Poppet/Spool Material Aluminum and Stainless Steel
Seal Material Fluorocarbon
Actuation Electrical
Voltage 24 VDC
Ambient Temperature 0 to 122 F (-17 to 50 C)
Width 4.09 in (104 mm)
Media Temperature 40 to 175 F (4 to 80 C)
Size 1-1/4"
Outlet Pipe Size 1-1/4"
Inlet Pipe Size 1-1/4"
Connection Conduit
Length 6.63 in (168 mm)
Weight 11.1 lb (5.0 kg)
Height 10.64 in (270.4 mm)
Ports 1-2 Flow 29 Cv (29000 l/min)