{"id":1,"date":"2019-10-21T06:56:31","date_gmt":"2019-10-21T06:56:31","guid":{"rendered":"https:\/\/tgvalve.com\/?p=1"},"modified":"2025-05-29T01:07:08","modified_gmt":"2025-05-29T01:07:08","slug":"butterfly-valves-vs-ball-valves-which-to-choose","status":"publish","type":"post","link":"https:\/\/www.tgvalve.com\/ko\/blog\/butterfly-valves-vs-ball-valves-which-to-choose\/","title":{"rendered":"\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\uc640 \ubcfc \ubc38\ube0c: \uc5b4\ub5a4 \uac83\uc744 \uc120\ud0dd\ud574\uc57c \ud560\uae4c?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\ubcfc \ubc38\ube0c\ub294 \uac00\uc2a4\ub098 \uc561\uccb4\uc758 \ud750\ub984\uc744 \uc870\uc808\ud558\uae30 \uc704\ud574 1\/4\ubc14\ud034 \ud68c\uc804\ud558\ub294 \uc628\/\uc624\ud504 \ubc38\ube0c\uc785\ub2c8\ub2e4. \uc774\ub984\uc5d0\uc11c \uc54c \uc218 \uc788\ub4ef\uc774, \ubcfc \ubc38\ube0c\ub294 90\u00b0 \ud68c\uc804\ud558\ub294 \uc18d\uc774 \ube48 \ud68c\uc804 \ubcfc\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc720\uccb4\uac00 \ud3ec\ud2b8(\ub610\ub294 \ubcf4\uc5b4)\ub97c \ud1b5\uacfc\ud558\ub294 \uac83\uc744 \ub9c9\uac70\ub098 \ud1b5\uacfc\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcfc \ubc38\ube0c\ub294 \uc790\ub3d9 \ub610\ub294 \uc218\ub3d9\uc73c\ub85c \uc5f4\uace0 \ub2eb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacf5\uae30, \ubb3c \ub610\ub294 \uc804\uae30\ub85c \uc791\ub3d9\ud560 \uc218 \uc788\uc9c0\ub9cc, \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0 \ub808\ubc84 \ud578\ub4e4\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc218\ub3d9\uc73c\ub85c \uc5f4\uace0 \ub2eb\uc2b5\ub2c8\ub2e4. \uc774 \ub808\ubc84\uc758 \uc704\uce58 \ub355\ubd84\uc5d0 \ubc38\ube0c\uc758 \uac1c\ud3d0 \uc5ec\ubd80\ub97c \uc27d\uac8c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcfc \ubc38\ube0c\ub294 \uc5f4\ub9bc \ub610\ub294 \ub2eb\ud798 \uc0c1\ud0dc\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc704\ud574 \uc644\uc804\ud788 \ub3cc\ub9ac\uac70\ub098 \uc5ec\ub7ec \ubc88 \ub3cc\ub824\uc57c \ud558\ub294 \ubc38\ube0c\ubcf4\ub2e4 \ub9e4\uccb4\ub97c \ub354 \ube60\ub974\uac8c \ucf1c\uace0 \ub04c \uc218 \uc788\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\ubc29\ud5a5 \ub610\ub294 \uc591\ubc29\ud5a5 \ubcfc \ubc38\ube0c\ub294 \ubcfc \uc911\uc559\uc5d0 \ub2e8\uc77c \ud3ec\ud2b8\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc5ec\ub7ec \ubc29\ud5a5\uc73c\ub85c \uc720\uccb4\ub97c \ubcf4\ub0b4\uac70\ub098 \uc120\ud0dd\ud560 \uc218 \uc788\ub294 \ub2e4\uc911 \ud3ec\ud2b8 \ubcfc \ubc38\ube0c\ub3c4 \uc788\uc73c\uba70, \ud30c\uc774\ud504 \uc2dc\uc2a4\ud15c \ub0b4 \uc5ec\ub7ec \uacf5\uae09\uc6d0\uc5d0\uc11c \uc720\uccb4\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud480 \ud3ec\ud2b8, \ud45c\uc900 \ud3ec\ud2b8, \ucd95\uc18c \ud3ec\ud2b8, V \ud3ec\ud2b8 \ubcfc \ubc38\ube0c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c 1\ud53c\uc2a4, 2\ud53c\uc2a4, 3\ud53c\uc2a4 \ub4f1 \ub2e4\uc591\ud55c \ubc14\ub514 \uc2a4\ud0c0\uc77c \uc911\uc5d0\uc11c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubcfc \ubc38\ube0c\ub97c \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud558\ub098\uc694?<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcfc \ubc38\ube0c\ub294 \uc218\uba85\uc774 \uae38\uace0, \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \uc0ac\uc774\ud074 \uc2dc\uac04\uc774 \ube60\ub974\uace0, \ub204\uc218 \ubc29\uc9c0 \ubc00\ubd09 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc5d0 \ub9ce\uc740 \uc0ac\ub78c\ub4e4\uc774 \uc120\ud638\ud569\ub2c8\ub2e4. \ubcfc \ubc38\ube0c\ub294 \uac00\uc815\uacfc \uc0ac\uc5c5\uc7a5\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc561\uccb4\uc640 \uae30\uccb4\ub97c \ubaa8\ub450 \ucc98\ub9ac\ud560 \uc218 \uc788\uc73c\uba70, \ud504\ub85c\uc138\uc2a4 \ud53c\uae45(process pigging)\uc744 \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4. \ud53c\uae45\uc740 \ud30c\uc774\ud504\ub97c \uc138\ucc99\ud558\uae30 \uc704\ud574 \ud53c\uadf8\ub77c\ub294 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\ub294 \uc138\ucc99 \uacfc\uc815\uc785\ub2c8\ub2e4. \ubcfc \ubc38\ube0c\ub294 \ub9e4\uc6b0 \uc720\uc6a9\ud558\uc9c0\ub9cc, \ub9e4\uc6b0 \uc815\ud655\ud55c \uc720\ub7c9 \uc81c\uc5b4\uac00 \ud544\uc694\ud55c \uc81c\uc5b4 \ubd84\uc57c\uc5d0\ub294 \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubcfc \ubc38\ube0c\ub294 \ub2e4\uc74c \ubd84\uc57c\uc758 \ud30c\uc774\ud504 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/strong><strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc11d\uc720 \ubc0f \uac00\uc2a4<\/li>\n\n\n\n<li>\uc815\uc81c\uc720<\/li>\n\n\n\n<li>\uc8fc\uc2dd<\/li>\n\n\n\n<li>\uc790\ub3d9\ucc28<\/li>\n\n\n\n<li>\uc138\ucc28 \uc2dc\uc2a4\ud15c \uc804\ub825 \ucc98\ub9ac<\/li>\n\n\n\n<li>\uc57d\uc6a9<\/li>\n\n\n\n<li>\ud654\ud559\ucca8\uac00\ubb3c \ubc0f \ucc98\ub9ac<\/li>\n\n\n\n<li>\uc2dd\ubb3c\uc5d0 \ubb3c\uc744 \uc8fc\uace0 \ubb3c\uc744 \uc815\ud654\ud558\ub294 \ub3c4\uad6c<\/li>\n\n\n\n<li>\uacf5\uc7a5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c:<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub294 \ubcfc \ubc38\ube0c\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc628\/\uc624\ud504 1\/4\ud68c\uc804 \ubc38\ube0c\uc785\ub2c8\ub2e4. \ub098\ube44 \ub0a0\uac1c\ucc98\ub7fc \uc0dd\uacbc\ub2e4\uace0 \ud574\uc11c \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub77c\ub294 \uc774\ub984\uc774 \ubd99\uc5c8\uc2b5\ub2c8\ub2e4. \ubc18\uba74, \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub294 \ub2e4\uacf5\uc131 \ubcfc \ub300\uc2e0 \ubc38\ube0c \ucc54\ubc84\ub97c \uc218\uc9c1\uc73c\ub85c \ubc18\uc73c\ub85c \ub098\ub204\ub294 \ub514\uc2a4\ud06c\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc77c\uccb4\ud615 \ub610\ub294 \uc774\uccb4\ud615\uc73c\ub85c \ucd9c\uc2dc\ub429\ub2c8\ub2e4. \uc77c\uccb4\ud615\uc740 \ub514\uc2a4\ud06c\uac00 \uc218\uc9c1\ucd95\uc744 \uc911\uc2ec\uc73c\ub85c \ud68c\uc804\ud558\uc5ec \uc720\uccb4\ub97c \ud1b5\uacfc\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\uccb4\ud615\uc740 \ub450 \uac1c\uc758 \ubd80\ud488\uc774 \uc11c\ub85c \ub9c8\uc8fc\ubcf4\ub3c4\ub85d \uc811\ud600 \uc720\uccb4\ub97c \ud1b5\uacfc\uc2dc\ud0b5\ub2c8\ub2e4(\ub098\ube44\ucc98\ub7fc).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub294 \ubcfc \ubc38\ube0c\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uae30\uacc4\uc801\uc73c\ub85c \ub610\ub294 \uc218\ud3c9\uacc4\ub098 \ud578\ub4dc\ud720\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc218\ub3d9\uc73c\ub85c \uac1c\ud3d0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc815\ubc00\ud55c \uc81c\uc5b4\uac00 \ud544\uc694\ud55c \uc6a9\ub3c4\uc5d0\ub294 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\uc758 \ub514\uc2a4\ud06c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubc38\ube0c\uac00 \ub2eb\ud600 \uc788\uc744 \ub54c\ub294 \ubc00\ud3d0 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uc9c0\ub9cc, \uc555\ub825\uc774 \uc0c1\uc2b9\ud558\uba74 \uc774 \ubc00\ud3d0 \uc0c1\ud0dc\uc758 \uc2e0\ub8b0\uc131\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \uc720\uccb4\uc758 \uc555\ub825\uc774 \ub192\uc73c\uba74 \ubc38\ube0c\uac00 \ub2eb\ud600 \uc788\uc744 \ub54c \ubc38\ube0c\ub97c \uc5f4\uae30\uac00 \ub354 \uc5b4\ub824\uc6cc\uc9c0\uace0, \uc720\uccb4\uac00 \ub2e4\uc2dc \ud750\ub974\uae30 \uc2dc\uc791\ud560 \ub54c \uc555\ub825 \uac15\ud558\uac00 \ub354 \ucee4\uc9d1\ub2c8\ub2e4. \ud2b9\ud788 \uc9c1\uacbd\uc774 \ud070 \ud30c\uc774\ud504\ub77c\uc778\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uc555\ub825\uc744 \uc644\ud654\ud558\uae30 \uc704\ud574 \ubc14\uc774\ud328\uc2a4 \ubc38\ube0c\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub294 \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud558\ub098\uc694?<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\ub78c\ub4e4\uc740 \uace0\uccb4 \uc785\uc790 \uc5c6\uc774 \uc720\uccb4\ub97c \uc774\ub3d9\uc2dc\ud0a4\ub294 \uc2dc\uc2a4\ud15c\uc5d0 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub97c \uc120\ud638\ud569\ub2c8\ub2e4. \ub610\ud55c \ubcfc \ubc38\ube0c\uc640\ub294 \ub2ec\ub9ac, \ubc38\ube0c\uac00 &quot;\uaebc\uc838 \uc788\ub294&quot; \uc0c1\ud0dc\uc5d0\uc11c \uc720\uccb4\uac00 \uac00\ub450\uc5b4\uc9c0\uc9c0 \uc54a\uc73c\ubbc0\ub85c \uc704\uc0dd\uc801\uc778 \uc6a9\ub3c4\ub85c\ub3c4 \uc720\uc6a9\ud569\ub2c8\ub2e4. 3\ud53c\uc2a4 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c(\uc911\uac04 \ubd80\ubd84 \ubd84\ub9ac \uac00\ub2a5)\ub098 \ud2b8\ub77c\uc774 \ud074\ub7a8\ud504 \uc5f0\uacb0 \ubc29\uc2dd\uc758 \ubc38\ube0c\ub294 \uc138\ucc99\uc774 \uc5b4\ub835\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0b0\uc5c5 \ubc0f \uc6a9\ub3c4\uc5d0\uc11c \ucc3e\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud558\uc218 \ubc0f \ud3d0\uc218 \ucc98\ub9ac<\/li>\n\n\n\n<li>\ub3c4\uc2dc\uc5d0\uc11c\uc758 \ubb3c \uc6b4\ubc18<\/li>\n\n\n\n<li>\ud654\ud559 \ubb3c\uc9c8 \ucc98\ub9ac<\/li>\n\n\n\n<li>\ub18d\uc5c5\uc744 \uc704\ud55c \uad00\uac1c \ubc0f \uac00\uacf5 \uc2dc\uc2a4\ud15c<\/li>\n\n\n\n<li>\uc74c\uc2dd\uc744 \ub9cc\ub4e4\ub2e4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubcfc \ubc38\ube0c \ub610\ub294 \ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c? \uace0\ub824\ud574\uc57c \ud560 \uc911\uc694\ud55c \uc0ac\ud56d:<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\ubb38 \ubc38\ube0c \uc81c\uc791\uc790\ub294 \uadc0\ud558\uc758 \uc2dc\uc2a4\ud15c\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \ubc38\ube0c\uac00 \ubb34\uc5c7\uc778\uc9c0 \uc54c\uc544\ub0b4\uace0 \uadc0\ud558\uac00 \uad81\uae08\ud574\ud558\ub294 \uc9c8\ubb38\uc5d0 \ub2f5\ud574\ub4dc\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uaddc\uce59\uc5d0\ub294 \ud56d\uc0c1 \uc608\uc678\uac00 \uc788\uc9c0\ub9cc \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 \ubcfc \ubc38\ube0c\ub97c \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uadc0\ud558\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\ub294 \ube60\ub978 \uc0ac\uc774\ud074 \ud0c0\uc784\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uadc0\ud558\uc758 \uc2dc\uc2a4\ud15c\uc740 \ucd5c\ub300 1,000 PSI\uc758 \uc555\ub825\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2e0\ub8b0\ud560 \uc218 \uc788\uace0 \ub204\ucd9c\uc774 \uc5c6\ub294 \uc530\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc561\uccb4\uc640 \uae30\uccb4 \ub9e4\uccb4\ub97c \ubaa8\ub450 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ubc38\ube0c\uc640 \ub2e4\uc911 \ud3ec\ud2b8 \ud750\ub984 \ud328\ud134\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uadc0\ud558\uc758 \uc2dc\uc2a4\ud15c\uc740 \ub300\ubd80\ubd84\uc758 \uc2dc\uac04 \ub3d9\uc548 \uc791\ub3d9\ud569\ub2c8\ub2e4<\/li>\n\n\n\n<li>\uadc0\ud558\uc758 \uc2dc\uc2a4\ud15c\uc5d0\ub294 \ud53c\uae45\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud30c\uc774\ud504 \ub108\ube44\uac00 6\uc778\uce58 \ubbf8\ub9cc\uc774\ubbc0\ub85c \uc801\uc6a9 \ubc94\uc704\uac00 \uc791\uc740 \ud3b8\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub97c \uc6d0\ud558\uc2dc\uba74<\/strong><strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uadc0\ud558\uc758 \uc2dc\uc2a4\ud15c\uc740 250 PSI \ubbf8\ub9cc\uc758 \uc555\ub825\uc744 \uc0dd\uc131\ud558\uba70, \uc790\uae08\ub3c4 \ub9ce\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uadc0\ud558\uc758 \uc2dc\uc2a4\ud15c\uc740 \ubb34\uac70\uc6b4 \ubc38\ube0c\ub97c \uc9c0\ud0f1\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc555\ub825 \uac10\uc18c\uc640 \ub204\ucd9c \uc704\ud5d8\uc740 \ud070 \ubb38\uc81c\uac00 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uadc0\ud558\uc758 \ucc98\ub9ac \uba54\ucee4\ub2c8\uc998\uc740 \ubb3c\uc744 \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc2dc\uc2a4\ud15c\uc744 \ub108\ubb34 \ub9ce\uc774 \uc0ac\uc6a9\ud560 \ud544\uc694\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc84\ud130\ud50c\ub77c\uc774 \ubc38\ube0c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubcfc \ubc38\ube0c\ubcf4\ub2e4 \uac00\ubccd\ub2e4\uace0 \uc5ec\uaca8\uc9c0\ub294\ub370, \ud2b9\ud788 \ud06c\uae30\uac00 \ud074\uc218\ub85d \ub514\uc2a4\ud06c\uac00 \uac19\uc740 \ud06c\uae30\uc758 \uc194\ub9ac\ub4dc \ubcfc \ubc38\ube0c\ubcf4\ub2e4 \ud30c\uc774\ud504 \uc2dc\uc2a4\ud15c\uc5d0 \uac00\ud558\ub294 \ubb34\uac8c\uac00 \uc801\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub610\ud55c, \ubd80\ud488 \uc218\uac00 \uc801\uae30 \ub54c\ubb38\uc5d0 \ubcfc \ubc38\ube0c\ubcf4\ub2e4 \uc800\ub834\ud558\ub2e4\uace0 \uc0dd\uac01\ud558\ub294 \uc0ac\ub78c\ub4e4\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ball valves are on\/off valves that spin a quarter turn to regulate the flow of gas or liquid. &nbsp;As the name suggests, they use a hollow<span class=\"excerpt-hellip\"> 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