{"id":928,"date":"2026-05-24T22:07:55","date_gmt":"2026-05-25T06:07:55","guid":{"rendered":"https:\/\/derkhvac.com\/?post_type=product&#038;p=928"},"modified":"2026-10-13T01:11:43","modified_gmt":"2026-10-13T09:11:43","slug":"%e8%b6%85%e8%96%84%e5%a4%a9%e8%8a%b1%e6%9d%bf%e9%9a%90%e8%97%8f%e5%bc%8f%e9%a3%8e%e7%ae%a1","status":"publish","type":"product","link":"https:\/\/derkhvac.com\/zh\/product\/ultra-thin-ceiling-concealed-duct\/","title":{"rendered":"\u8d85\u8584\u98ce\u7ba1"},"content":{"rendered":"<p><strong>\u8d85\u8584\u98ce\u7ba1 B \u7cfb\u5217\uff0c\u53cc\u7ba1\uff5cDT3B-E\/AG12L+200\/300<\/strong><br \/>\n\u5236\u51b7\u91cf\uff1aW 7\/12 \u00b0C\uff1bA 27 \u00b0C \u5e72\u7403\u6e29\u5ea6\/19.5 \u00b0C \u6e7f\u7403\u6e29\u5ea6\uff1b1.08~2.70kW<br \/>\n\u6c34\u6d41\u91cf\uff1a0.31~0.47 \u7acb\u65b9\u7c73\/\u5c0f\u65f6<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 60\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b1.62~4.05kW<br \/>\n\u7535\u673a\uff1a\u76f4\u6d41\/\u4ea4\u6d41\uff1b;<br \/>\n\u6db2\u538b\u8fde\u63a5\uff1aRc 3\/4\u201d<br \/>\n\u5ba4\u5185\u673a\u5c3a\u5bf8\uff08\u957f\u00d7\u5bbd\u00d7\u9ad8\uff09\uff1a889\u6beb\u7c73\u00d7451\u6beb\u7c73\u00d7200\u6beb\u7c73<br \/>\n\u7a7a\u6c14\u6d41\u91cf\uff08\u9ad8\/\u4e2d\/\u4f4e\uff09\uff1a170~510 \u7acb\u65b9\u7c73\/\u5c0f\u65f6\uff08100~300 \u7acb\u65b9\u82f1\u5c3a\/\u5206\u949f\uff09<br \/>\n\u7535\u6e90\uff1a220\/1\/50(60) V\/\u76f8\/Hz<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 45\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b1.08~2.70kW<br \/>\n\u6c34\u538b\u964d\uff1a30 kPa<br \/>\n\u529f\u7387\u8f93\u5165\uff1a22~50\u74e6<br \/>\n\u989d\u5b9a\u7535\u6d41\uff1a0.10~0.23 A<br \/>\n\u58f0\u538b\u7ea7\uff1a37~39 dB(A)<br \/>\n\u51c0\u91cd\/\u6bdb\u91cd\uff1a16.0\/17.5\u516c\u65a4<br \/>\n\u5305\u88c5\u5c3a\u5bf8\uff08\u957f\u00d7\u5bbd\u00d7\u9ad8\uff09\uff1a955\u6beb\u7c73\u00d7500\u6beb\u7c73\u00d7215\u6beb\u7c73<\/p>\n<hr \/>\n<p><strong>\u8d85\u8584\u98ce\u7ba1 B \u7cfb\u5217\uff0c\u53cc\u7ba1\uff5cDT3B-E\/AG12L+400<\/strong><br \/>\n\u5236\u51b7\u91cf\uff1aW 7\/12 \u00b0C\uff1bA 27 \u00b0C \u5e72\u7403\u6e29\u5ea6\/19.5 \u00b0C \u6e7f\u7403\u6e29\u5ea6\uff1b2.16~3.60kW<br \/>\n\u6c34\u6d41\u91cf\uff1a0.61 \u7acb\u65b9\u7c73\/\u5c0f\u65f6<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 60\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b3.24~5.40kW<br \/>\n\u7535\u673a\uff1a\u76f4\u6d41\/\u4ea4\u6d41\uff1b;<br \/>\n\u6db2\u538b\u8fde\u63a5\uff1aRc 3\/4\u201d<br \/>\n\u5ba4\u5185\u673a\u5c3a\u5bf8\uff08\u957f\u00d7\u5bbd\u00d7\u9ad8\uff09\uff1a1089\u6beb\u7c73\u00d7451\u6beb\u7c73\u00d7200\u6beb\u7c73<br \/>\n\u7a7a\u6c14\u6d41\u91cf\uff08\u9ad8\/\u4e2d\/\u4f4e\uff09\uff1a340~680 \u7acb\u65b9\u7c73\/\u5c0f\u65f6\uff08200~400 CFM\uff09<br \/>\n\u7535\u6e90\uff1a220\/1\/50(60) V\/\u76f8\/Hz<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 45\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b2.16~3.60kW<br \/>\n\u6c34\u538b\u964d\uff1a30 kPa<br \/>\n\u529f\u7387\u8f93\u5165\uff1a36~60\u74e6<br \/>\n\u989d\u5b9a\u7535\u6d41\uff1a0.16~0.27 A<br \/>\n\u58f0\u538b\u7ea7\uff1a41 \u5206\u8d1d(A)<br \/>\n\u51c0\u91cd\/\u6bdb\u91cd\uff1a19.0\/21.0\u516c\u65a4<br \/>\n\u5305\u88c5\u5c3a\u5bf8\uff08\u957f\u00d7\u5bbd\u00d7\u9ad8\uff09\uff1a1155\u6beb\u7c73\u00d7500\u6beb\u7c73\u00d7215\u6beb\u7c73<\/p>\n<hr \/>\n<p><strong>\u8d85\u8584\u98ce\u7ba1 B \u7cfb\u5217\uff0c\u53cc\u7ba1\uff5cDT3B-E\/AG12L+500\/600<\/strong><br \/>\n\u5236\u51b7\u91cf\uff1aW 7\/12 \u00b0C\uff1bA 27 \u00b0C \u5e72\u7403\u6e29\u5ea6\/19.5 \u00b0C \u6e7f\u7403\u6e29\u5ea6\uff1b2.70~5.40kW<br \/>\n\u6c34\u6d41\u91cf\uff1a0.77~0.94 \u7acb\u65b9\u7c73\/\u5c0f\u65f6<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 60\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b4.05~8.10kW<br \/>\n\u7535\u673a\uff1a\u76f4\u6d41\/\u4ea4\u6d41\uff1b;<br \/>\n\u6db2\u538b\u8fde\u63a5\uff1aRc 3\/4\u201d<br \/>\n\u5ba4\u5185\u673a\u5c3a\u5bf8\uff08\u957f\u00d7\u5bbd\u00d7\u9ad8\uff09\uff1a1289\u6beb\u7c73\u00d7451\u6beb\u7c73\u00d7200\u6beb\u7c73<br \/>\n\u7a7a\u6c14\u6d41\u91cf\uff08\u9ad8\/\u4e2d\/\u4f4e\uff09\uff1a425~1,020 \u7acb\u65b9\u7c73\/\u5c0f\u65f6\uff08250~600 CFM\uff09<br \/>\n\u7535\u6e90\uff1a220\/1\/50(60) V\/\u76f8\/Hz<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 45\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b2.70~5.40kW<br \/>\n\u6c34\u538b\u964d\uff1a30~40 kPa<br \/>\n\u529f\u7387\u8f93\u5165\uff1a44~93\u74e6<br \/>\n\u989d\u5b9a\u7535\u6d41\uff1a0.20~0.42 A<br \/>\n\u58f0\u538b\u7ea7\uff1a43~45 dB(A)<br \/>\n\u51c0\u91cd\/\u6bdb\u91cd\uff1a22.0\/25.0\u516c\u65a4<br \/>\n\u5305\u88c5\u5c3a\u5bf8\uff08\u957f\u00d7\u5bbd\u00d7\u9ad8\uff09\uff1a1355\u6beb\u7c73\u00d7500\u6beb\u7c73\u00d7215\u6beb\u7c73<\/p>\n<hr \/>\n<p><strong>\u8d85\u8584\u98ce\u7ba1 B \u7cfb\u5217\uff0c\u53cc\u7ba1\uff5cDT3B-E\/AG12L+700\/800<\/strong><br \/>\n\u5236\u51b7\u91cf\uff1aW 7\/12 \u00b0C\uff1bA 27 \u00b0C \u5e72\u7403\u6e29\u5ea6\/19.5 \u00b0C \u6e7f\u7403\u6e29\u5ea6\uff1b3.78~7.20kW<br \/>\n\u6c34\u6d41\u91cf\uff1a1.05~1.22 \u7acb\u65b9\u7c73\/\u5c0f\u65f6<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 60\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b5.67~10.80kW<br \/>\n\u7535\u673a\uff1a\u76f4\u6d41\/\u4ea4\u6d41\uff1b;<br \/>\n\u6db2\u538b\u8fde\u63a5\uff1aRc 3\/4\u201d<br \/>\n\u5ba4\u5185\u673a\u5c3a\u5bf8\uff08\u957f\u00d7\u5bbd\u00d7\u9ad8\uff09\uff1a1539\u6beb\u7c73\u00d7451\u6beb\u7c73\u00d7200\u6beb\u7c73<br \/>\n\u7a7a\u6c14\u6d41\u91cf\uff08\u9ad8\/\u4e2d\/\u4f4e\uff09\uff1a595~1,360 \u7acb\u65b9\u7c73\/\u5c0f\u65f6\uff08350~800 CFM\uff09<br \/>\n\u7535\u6e90\uff1a220\/1\/50(60) V\/\u76f8\/Hz<br \/>\n\u5236\u70ed\u91cf\uff1a\u8fdb\u98ce\u6e29\u5ea6 45\u00b0C\uff1b\u5e72\u7403\u6e29\u5ea6 21\u00b0C\uff1b3.78~7.20kW<br \/>\n\u6c34\u538b\u964d\uff1a40 kPa<br \/>\n\u529f\u7387\u8f93\u5165\uff1a67~130\u74e6<br \/>\n\u989d\u5b9a\u7535\u6d41\uff1a0.30~0.59 A<br \/>\n\u58f0\u538b\u7ea7\uff1a46 \u5206\u8d1d(A)<br \/>\n\u51c0\u91cd\/\u6bdb\u91cd\uff1a28.0\/31.5\u516c\u65a4<br \/>\n\u5305\u88c5\u5c3a\u5bf8\uff08\u957f\u00d7\u5bbd\u00d7\u9ad8\uff09\uff1a1605\u6beb\u7c73\u00d7500\u6beb\u7c73\u00d7215\u6beb\u7c73<\/p>","protected":false},"excerpt":{"rendered":"<p>Ultra-slim Duct B Series, 2-pipe \uff5c DT3B-E\/AG12L+200\/300 Cooling capacity: W 7\/12 \u00b0C ;A 27 \u00b0C DB \/19.5\u00b0C WB ;1.08~2.70kW Water flow rate: 0.31~0.47 m\u00b3\/h Heating capacity: W(inlet) 60\u00b0C; A 21\u00b0C DB; 1.62~4.05kW Motor: DC\/AC; Hydraulic connections: Rc 3\/4 &#8221; Indoor unit dimension(L\u00d7W\u00d7H) : 889 mm \u00d7 451 mm \u00d7 200 mm Air flow rate (H\/M\/L) [&hellip;]<\/p>\n","protected":false},"featured_media":3320,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"Ultra-Thin Ceiling Concealed Duct | DERK HVAC","_seopress_titles_desc":"DERK ultra-thin concealed duct: 200mm low profile for tight ceiling cavities. Whisper-quiet, gentle airflow for luxury living spaces.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":""},"product_brand":[],"product_cat":[42,43],"product_tag":[],"class_list":["post-928","product","type-product","status-publish","has-post-thumbnail","product_cat-duct-series","product_cat-ultra-slim-ceiling-concealed-fcu","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/derkhvac.com\/zh\/wp-json\/wp\/v2\/product\/928","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/derkhvac.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/derkhvac.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/derkhvac.com\/zh\/wp-json\/wp\/v2\/media\/3320"}],"wp:attachment":[{"href":"https:\/\/derkhvac.com\/zh\/wp-json\/wp\/v2\/media?parent=928"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/derkhvac.com\/zh\/wp-json\/wp\/v2\/product_brand?post=928"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/derkhvac.com\/zh\/wp-json\/wp\/v2\/product_cat?post=928"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/derkhvac.com\/zh\/wp-json\/wp\/v2\/product_tag?post=928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}