Straight type AKH 04 00 Applicable tubing O.D. Metric size 04 06 08 10 12 o4 o6 o8 o10 o12 90 Series compatible with secondary batteries Check Valve with One-touch Fittings 90-AKH Series How to Order *Specifications and dimensions for the 90-series are the same as standard products. 90 Material restriction 55 Directional Control Valves Air Preparation Equipment Vacuum Equipment Detection Auto Switches Switches Flow Control Related Products Air Filters/Pressure Control Equipment Air Grippers Actuators