A pipe opening / closing device that operates the operation lever without removing the hand of the operator himself / herself by attaching a pipe opening / closing section with a configuration in which the operation lever extends to the vicinity of the operation section to the operation section. .操作部の近傍まで操作レバーが張り出した構成の管路開閉部を操作部に取り付けることで、操作者自身が操作部を把持する手を離さずに、操作レバーを操作する管路開閉装置である。