The exhaust port 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 discharge of residual pressure at one of the fastest speeds in the industry.
Scene content: A machine maintenance technician performing regular machine maintenance during the Golden Week. Following company rules, they search for the residual pressure relief valve to shut off all power energy to the machine, cut off the supply air, and begin venting the residual pressure air in the piping. With a typical ball valve, it takes much longer than expected to vent all the residual pressure air in the piping. If one approaches the machine with the mindset of "Well, as long as it's mostly vented, it's okay," the compressed air that is still present may suddenly cause the cylinder to move.
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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).
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Company information
Ross Asia Co., Ltd. is the Japanese subsidiary of the American company Ross Controls (established in December 1973). Since its founding in 1921 as a manufacturer of pneumatic equipment, Ross Controls has been widely adopted across various industrial sectors. Celebrating its 100th anniversary in 2021, the company now has manufacturing and sales bases in the United States, Germany, France, the United Kingdom, Japan, China, Brazil, India, and Canada, providing ISO-compliant products and products that meet safety standards in various countries. Ross Asia covers the Asian region excluding China and India, manufacturing, selling, and servicing Ross products in response to the safety requirements of key industries in each country. (ISO 9001 certified) [About Ross Controls] Based in Ferndale, Michigan, Ross designs and manufactures pneumatic valves and control systems and is globally recognized as a leader in fluid power safety solutions and poppet valve technology. Ross offers standard and customized ROSS/FLEX solutions for industrial machinery and automation applications. Keywords: Ross Asia, machine safety, pneumatic safety, hydraulic safety
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