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Warning: Undefined variable $result in /home/marrowarchery/www/yoshitake.co.jp/en/support/sup02_list.php on line 36 Product Q&A|Yoshitake is a comprehensive manufacturer of the regulating valve. Yoshitake Inc.
It is an action also called Fail-closed, where the valve opening increases as the input signal increases. On the other hand, the action where the valve opening decreases as input signal increases is called direct action (Fail open).