When the difference in input air pressure between two IN sides is 0.05 MPa or more, the air with higher pressure constantly flows to the OUT side. 1 2 (IN) 1 (OUT) (IN) Relay valves for controlling pneumatic signal lines VR 12 1 1 2 23 04 06 08 10 . Body size 01 03 07 09 11 0 F 06 VR1210F VR1220F 3.2 �� 4 �� 1/8" �� 5/32" �� Flow-rate characteristics . For o3.2, use o1/8" tubing. Model VR1210F VR1220F OUT OUT Transmitters: Shuttle Valve with One-touch Fittings Series VR1210F/1220F Proof pressure Max. operating pressure Min. operating pressure Ambient and fluid temperature Applicable tubing material (1) Note 1) Use caution about the maximum operating pressure when soft nylon and polyurethane is used. (Refer to Best Pneumatics No. 6.) Note 2) Brass components are all electroless nickel plated as standard. (Copper-free and fluorine-free) Model Applicable tubing O.D. Metric size Inch size 6 �� �� �� �� �� �� �� �� �� �� 8 10 1/4" 5/16" 3/8" Specifications 1.5 MPa 1.0 MPa 0.05 MPa .5 to 60°C (No freezing) Nylon, Soft nylon, Polyurethane Applicable tubing O.D. Flow-rate characteristics Inch size C[dm3/(s・bar)] b o3.2 o1/8" 0.5 0.25 o4 o5/32" 0.7 0.25 o6 o1/4" 1.3 0.25 o8 o5/16" 1.5 0.25 o6 o1/4" 1.4 0.25 o8 o5/16" 2.1 0.25 o10 o3/8" 3.1 0.25 How to Order 1/8 standard 1/4 standard With One-touch fittings Shuttle valve Applicable tubing O.D. Metric size Inch size o3.2 o4 o6 o8 o10 o1/8" o5/32" o1/4" o5/16" o3/8" IN High pressure IN Low pressure IN Low pressur IN High pressure Symbol Model RoHS Metric size 2364