Patent ID: 6889709

Claim:
A manifold valve comprising a body having a valve chamber on a main flow passage side and a valve chamber on a secondary flow passage side, which valve chambers are communicated with each other by a connecting flow passage having a bottom surface portion, a main flow passage communicated with a communicating port on the main flow passage side arranged on the center of a bottom surface portion of the valve chamber on the main flow passage side, a branched flow passage communicated with the valve chamber on the main flow passage side and having a bottom surface portion, and a secondary flow passage communicated with a communicating port on the secondary flow passage side arranged on the center of a bottom surface portion of the valve chamber on the secondary flow passage side; and actuators having valve bodies for opening and closing the communicating port on the main flow passage side and the communicating port on the secondary flow passage side, respectively, wherein the respective bottom surface portions of the connecting flow passage, the branched flow passage, the valve chamber on the main flow passage side, and the valve chamber on the secondary flow passage side are flush with one another.