| 摘要 |
PURPOSE: A check plug is provided to reduce pressure loss because pressure passes through a penetration space between a first penetration guide and a second penetration guide. CONSTITUTION: A check plug comprises a plug, a nipple, and a check valve(20). One end of the plug is connected to a pressure fluid supply source by forming a path. The nipple is coupled with the other end of the plug. The check valve is installed inside the plug. A pressure discharge hole is formed on a valve body(22) of the check valve. Multiple first penetration guides(24) are radially formed at the front surface of the check valve.
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