Barber colman Two-way Valve Bodies are kind of Valve bodies that are available in two-way configuration with stem-up open and stem-up closed configurations. Stem-up closed models are restricted to use with hydraulic actuators. The linkages used with electric actuators are only compatible with stem-up open bodies. Sizes range from 1/2" to 6" pipe size or 5/8" O.D. SAE 45º copper tube.