| 摘要 |
PURPOSE: A valve body for a pump is provided to increase a degree of freedom at the time of formation of an air supply path and the through hole of an air chamber block and enhance the installation easiness of the air chamber block. CONSTITUTION: A valve body for a pump comprises a compressed-air chamber(2), a compressed-air supply port, and an air supply chamber. The compressed-air chamber is arranged on the center of the valve body. The compressed-air passes through the compressed-air supply port when the compressed air is supplied to the inside of the compressed-air chamber. The air supply chamber is formed on the outer surface of the valve body. The air supply chamber is communicated between the compressed-air chamber and a pump-side air chamber. The compressed air supplied to the compressed-air chamber through the compressed-air supply port is supplied into the pump-side air chamber through the air supply chamber.
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