| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem in a conventional composition wherein since a high pressure side inlet and a low pressure side outlet of a four way valve are provided in positions facing each other at 180°, there is a need to largely detour piping to the high pressure side inlet, and space is used for piping connection. SOLUTION: In the four way valve, a high pressure side inlet 20 and a low pressure side outlet 3 are arranged and opened in a substantially perpendicular positional relationship. By this, a piping distance between the low pressure side outlet 3 and the high pressure side inlet 20 becomes short, there is no need to largely detour piping, and piping connection becomes compact. COPYRIGHT: (C)2006,JPO&NCIPI
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