【Data】It takes more time than expected...

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Points on Labor Safety/Machine Safety Accidents can occur not only to young maintenance personnel but also to veteran maintenance staff who rely on their experience and intuition. To prevent such accidents, it is important to exhaust the residual pressure air in the piping as quickly as possible after operating the shut-off valve. Additionally, after air shut-off and exhaust, it is necessary to establish rules for locking the shut-off exhaust valve and tagging the shut-off valve to warn against unauthorized operation by third parties (lockout/tagout).

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The exhaust diameter of the ROSS high-speed manual pressure relief valve is equal to or larger than that of the inlet and outlet sides, allowing for the fastest pressure relief in the industry. Scene Description: A maintenance technician performing regular machine maintenance during the Golden Week. Following company rules, they search for the pressure relief valve to shut off all power energy to the machine, cut off the supply air, and begin exhausting the residual pressure air in the piping. With a standard ball valve, it takes an unexpectedly long time to exhaust all the residual pressure air in the piping. If one approaches the machine with the mindset that "as long as most of it is out, it's okay," they may be surprised by sudden movement of the cylinder due to remaining compressed air. Labor Safety / Machine Safety Points: This is an accident that can occur not only to young maintenance technicians but also to experienced ones who rely on their experience and intuition. To prevent such accidents, it is crucial to exhaust the residual pressure air in the piping as quickly as possible after operating the shut-off valve. Additionally, after shutting off and exhausting the air, it is necessary to establish rules for locking the shut-off relief valve and tagging the shut-off valve to warn against unauthorized activation (lockout/tagout).