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Hand-Operated Pneumatic Air Valve with Two Position Push / Pull Handle: 4R210-1/4M/S

The 4R210-1/4 is a manual pneumatic directional valve with a four-way operation & five ports (P = Pressure, A = Outlet 1, B = Outlet 2, EA = Exhaust for port A, EB = Exhaust for port B). Four-way, two-position valves are generally used to fully extend and retract double acting cylinders, or in applications with similar operation.

Please note that there have been recent design updates to this valve. The specific changes can be found here (see pg. 6): Pneumatic Valve Design Changes. For inventory status of each version, please call us at (650) 856-8833.


4-Way, 5-Port, 2-Position Push / Pull Handle / Plunger
M = Detented
S = Non-Detented (Spring Return)

M =
Type Hand Operated Directional Air Valve S =
Port Size 1/4" NPT (1/8" Exhaust Ports)
Operating Pressure 0 to 116 PSI
Operating Temperature 14 to 140°F (-10 to 60°C)
Action Direct Acting
Flow Coefficient (Cv) 0.89
Working Medium 40 Micron Filtered Air or Inert Gas
Body Material Anodized Aluminum
Seal Material NBR (Buna N)
Lubrication Not Required

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