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1. Control valveÀÇ handwheel
Continuous operationÀÎ °æ¿ì, bypass ¶Ç´Â handwheelÀ» Àû¿ëÇÏ´Â °ÍÀ¸·Î ¾Ð´Ï´Ù.
ÇöÀç ÁøÇàÁßÀÎ project spec¿¡´Â control valve size ±âÁØÀ¸·Î 6"±îÁö´Â bypass¸¦
¼³Ä¡ÇÏ°í 6"º¸´Ù Å« °æ¿ì¿¡´Â bypass »èÁ¦ ÈÄ handwheel¸¦ ¼³Ä¡ÇÏ°Ô²û µÇ¾î ÀÖ½À´Ï´Ù.
ÇÏÁö¸¸, control valveÀÇ ¹®Á¦·Î ¶¼¾î³½ ÈÄ ¼ö¸®¸¦ ÇؾßÇÒ °æ¿ì°¡ »ý±ä´Ù¸é,,
handwheelÀÌ ¹«¿ëÁö¹°ÀÌ µÇ°í plant shutdownÀÌ µÇ¾î¾ß ÇÏ´Â °ÍÀÌ ¾Æ´ÑÁö¿ä?
°á·ÐÀûÀ¸·Î size¿Í ¹«°üÇÏ°Ô ´Ù bypass°¡ Àû¿ëµÇ¾î¾ß ÇÏ´Â °ÍÀÌ ¾Æ´Ñ°¡ ½Í½À´Ï´Ù..
2. On-off valveÀÇ handwheel
ESD¿¡ ¿¬°áµÈ shut down valve´Â ¾Æ´Ï°í, DCS·Î control µÇ´Â on-off valveÀÇ
°æ¿ì¿¡ handwheel¸¦ ¼³Ä¡ÇØ¾ß ÇÑ´Ù´Â »ç¾÷ÁÖÀÇ commentÀÔ´Ï´Ù. ³í¸®´Â IA°¡
failµÇ¸é handwheelÀ» ÅëÇØ ¿°í ´Ý°í ÇؾßÇÑ´Ù´Â °ÍÀÔ´Ï´Ù.
ESD shut down valveÀÇ °æ¿ì¿¡ handwheelÀ» ¼³Ä¡ÇÏÁö ¾Ê´Â ÀÌÀ¯°¡ operator
ÀÇ ½Ç¼ö·Î ÀÎÇÑ Á¶ÀÛ°¡´É¼º¶§¹®ÀÎ °ÍÀ¸·Î ¾Æ´Âµ¥, on-off valveµµ µ¿ÀÏÇÑ ³í¸®µµ
handwheelÀ» ¼³Ä¡ÇÏ¸é ¾ÈµÈ´Ù°í ¾ê±âÇÏ°í Àִµ¥ ³í¸®°¡ ¾àÇÑÁö µ¿ÀǸ¦ ÇÏÁö ¾Ê³×¿ä..
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