Americas +

Vacuum, Low/High Temperatures, DIN & M12 Connection [21 Series] 2153B4V51

  • 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
Default Position Normally Closed
Pilot Type External
Return Spring
Manual Override Non-locking
Thread Type NPT
Fluid Media Filtered Air
Operating Pressure Vacuum to 150 psig (Vacuum to 10 bar)
Operating Pressure (bar) Vacuum to 10
Valve Body Material Cast Aluminum
Poppet/Spool Material Aluminum and Stainless Steel
Seal Material Fluorocarbon
Function 3/2
Outlet Pipe Size 1/2"
Exhaust Pipe Size 1"
Length 4.45 in (113 mm)
Size 3/4"
Inlet Pipe Size 1/2"
Ports 2-3 Flow 8.8 Cv (8700 Nl/min)
Ambient Temperature 0 to 300 F (-17 to 150 C)
Width 3.59 in (91 mm)
Weight 4.5 lb (2.1 kg)
Height 4.73 in (120 mm)
Ports 1-2 Flow 6.0 Cv (5900 Nl/min)