It is a double valve compliant with safety category 4.
One of the important features of the ROSS double valve is that it has a duplex (dual mechanism) design. The ROSS double valve incorporates two independent 3/2 normally closed three-way valves into a single common body. Each of these two valve bodies is operated by its own dedicated 3/2 normally closed pilot valve. When both pilot valves are energized simultaneously, both main valve bodies operate at the same time. The probability of both valve bodies malfunctioning simultaneously in the same cycle is extremely low, ensuring higher safety compared to single valves. Additionally, this product is certified by BG at the highest safety level, Performance Level (PL) 'E'.
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basic information
<Basic Specifications> ■BG Certification: PL 'E' ■All models equipped with monitor: Dynamic monitor (compliant with safety category 4) ■Basic circuit: Cross flow ■Body size: 5 types ■Connection diameter: 1/4 to 2” ■Monitoring mechanism: Monitors operation each time with built-in air circuit → Safety confirmation - operating type ■Dynamic memory: Mechanism that maintains lockout state unless reset operation is performed ■Status indicator can be equipped: Option for fault signal output ■Sub-base type: Compatible with right IN / left IN ■Wiring method: DIN connector x2 ■Square silencer standard equipment
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Applications/Examples of results
For dangerous machinery such as power press machines that use air pressure clutches and brakes, please use double valves equipped with a monitoring device or monitoring system that prevents the valve and machine from restarting in the event of a malfunction within the valve.
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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