The HBB series is a high control reliability hydraulic control valve in category 4, PL "e" (currently obtaining third-party certification).
Content of the scene After conducting a risk assessment of the machinery, the failure of the power control element (cylinder control valve) was deemed a significant risk. It is necessary to introduce products that correspond to the category/performance level that meets these high safety requirements. The introduced valve is a highly reliable, dual-channel redundant valve that ensures power (hydraulic) is reliably cut off even if the hydraulic cylinder control valve fails. In conjunction with the interlock, it cuts off the supply pressure and returns the power (hydraulic) of the moving mold to the tank, allowing the operator to safely perform mold changes.
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Points on Labor Safety/Machine Safety The "safety-related parts/control system (SPR/CS)" of the control system begins where safety-related input signals are generated and ends with the output of power control elements (such as solenoid valves). Therefore, a risk assessment that includes solenoid valves is necessary.
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The HBB series is a high-control reliability hydraulic control valve classified as Category 4, PL "e" (currently obtaining third-party certification). Scene Content: After conducting a risk assessment of the machinery, the failure of the power control element (cylinder control valve) was deemed a significant risk. It is necessary to introduce products that meet the category/performance level corresponding to this high safety requirement. The introduced valve is a highly reliable, two-channel redundant valve that ensures power (hydraulic) is reliably cut off even if the hydraulic cylinder control valve fails. In conjunction with the interlock, it cuts off the supply pressure and returns the power (hydraulic) of the moving mold to the tank, allowing the operator to safely perform mold changes. Labor Safety/Machine Safety Points: The safety-related parts of the control system (safety-related parts/control system: SPR/CS) begin where safety-related input signals are generated and end with the output of the power control element (for example, solenoid valves). Therefore, a risk assessment that includes solenoid valves is necessary.
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Company information
Ross Asia Co., Ltd. is the Japanese subsidiary of the American company Ross Controls (established 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 each country. Ross Asia covers the Asian region excluding China and India, manufacturing, selling, and servicing Ross products in accordance with the safety requirements of the core industries in each country. (ISO 9001 certified) [About Ross Controls] Based in Ferndale, Michigan, Ross is globally recognized as a leader in pneumatic valve design and manufacturing, as well as fluid power safety solutions and poppet valve technology. Ross provides 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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