Americas +

Vacuum, Low/High Temperatures, DIN & M12 Connection [21 Series] 2154B4V51

Actual product may differ from above image. Product details should be verified before purchase.
  • 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

Need Help? No Problem!

Customer Service

1-800-GET-ROSS

Technical Service
1-888-TEK-ROSS

Need Help? No Problem!

Customer Service

1-800-GET-ROSS

Technical Service
1-888-TEK-ROSS


Product Information

Actuation Pneumatic
Mounting Inline
Construction Poppet
Application Vacuum
Function 3/2
Default Position Normally Open
Pilot Type External
Return Spring
Manual Override Non-locking
Thread Type NPT
Inlet Pipe Size 1/2"
Outlet Pipe Size 1/2"
Exhaust Pipe Size 1"
Ports 1-2 Flow 5.9 Cv (5800 Nl/min)
Ports 2-3 Flow 7.6 Cv (7500 Nl/min)
Ambient Temperature 0 to 300 F (-17 to 150 C)
Fluid Media Filtered Air
Operating Pressure Vacuum to 150 psig (Vacuum to 10 bar)
Operating Pressure (bar) Vacuum to 10
Length 4.45 in (113 mm)
Width 3.59 in (91 mm)
Height 4.73 in (120 mm)
Weight 4.5 lb (2.1 kg)
Size 3/4"
Valve Body Material Cast Aluminum
Poppet/Spool Material Aluminum and Stainless Steel
Seal Material Fluorocarbon