{"id":243,"date":"2025-03-17T09:20:38","date_gmt":"2025-03-17T01:20:38","guid":{"rendered":"https:\/\/www.bihec.com\/ljengineering-vacuum\/?p=243"},"modified":"2025-03-17T09:20:38","modified_gmt":"2025-03-17T01:20:38","slug":"lj-engineering%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e6%94%be%e5%a4%a7%e5%99%a8%e5%9e%8b%e5%8f%b7470-002470-002hf470-002shf","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/ljengineering-vacuum\/lj-engineering%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e6%94%be%e5%a4%a7%e5%99%a8%e5%9e%8b%e5%8f%b7470-002470-002hf470-002shf\/","title":{"rendered":"LJ Engineering,\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668,\u578b\u53f7470-002,470-002HF,470-002SHF"},"content":{"rendered":"<div class=\"dad65929\">\n<div class=\"f9bf7997 d7dc56a8 c05b5566\">\n<div class=\"ds-markdown ds-markdown--block\">\n<p><a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/lj-engineering\/\" title=\"View all posts in LJ Engineering\" target=\"_blank\">LJ Engineering<\/a>,<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e6%94%be%e5%a4%a7%e5%99%a8\/\" title=\"View all posts in \u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\" target=\"_blank\">\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668<\/a>,<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/%e5%9e%8b%e5%8f%b7470-002\/\" title=\"View all posts in \u578b\u53f7470-002\" target=\"_blank\">\u578b\u53f7470-002<\/a>,<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/470-002hf\/\" title=\"View all posts in 470-002HF\" target=\"_blank\">470-002HF<\/a>,<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/470-002shf\/\" title=\"View all posts in 470-002SHF\" target=\"_blank\">470-002SHF<\/a>,\u578b\u53f7<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/470-002\/\" title=\"View all posts in 470-002\" target=\"_blank\">470-002<\/a>\u662f<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/%e7%9c%9f%e7%a9%ba%e8%b0%83%e8%8a%82%e5%99%a8\/\" title=\"View all posts in \u771f\u7a7a\u8c03\u8282\u5668\" target=\"_blank\">\u771f\u7a7a\u8c03\u8282\u5668<\/a>\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\uff0c\u9002\u7528\u4e8e\u9700\u8981\u6bd4\u5355\u72ec\u4f7f\u7528<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/%e5%9e%8b%e5%8f%b7487\/\" title=\"View all posts in \u578b\u53f7487\" target=\"_blank\">\u578b\u53f7487<\/a>\u66f4\u5927\u771f\u7a7a\u6d41\u91cf\u7684\u573a\u666f\u3002\u5982\u679c\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u771f\u7a7a\u8bbe\u7f6e\u5206\u8fa8\u7387\uff0c\u53ef\u4ee5\u5c06<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/%e5%9e%8b%e5%8f%b7484\/\" title=\"View all posts in \u578b\u53f7484\" target=\"_blank\">\u578b\u53f7484<\/a>\u4e0e<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/470\/\" title=\"View all posts in 470\" target=\"_blank\">470<\/a>-002\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\u914d\u5408\u4f7f\u7528\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>\u578b\u53f7<\/strong><\/th>\n<th><strong>Cv\u503c<\/strong><\/th>\n<th><strong>\u6d41\u91cf\u5bb9\u91cf (SCFM)<\/strong><\/th>\n<th><strong>NPT\u7aef\u53e3\u5c3a\u5bf8<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u578b\u53f7470-002 &#8211; \u6d41\u91cf\u589e\u5f3a\u5668<\/td>\n<td>3.4<\/td>\n<td>13 SCFM<\/td>\n<td>1\/2\u82f1\u5bf8<\/td>\n<\/tr>\n<tr>\n<td>\u578b\u53f7470-002HF &#8211; \u6d41\u91cf\u589e\u5f3a\u5668<\/td>\n<td>9.0<\/td>\n<td>27 SCFM<\/td>\n<td>3\/4\u82f1\u5bf8<\/td>\n<\/tr>\n<tr>\n<td>\u578b\u53f7470-002SHF &#8211; \u6d41\u91cf\u589e\u5f3a\u5668<\/td>\n<td>12.2<\/td>\n<td>44 SCFM<\/td>\n<td>1\u82f1\u5bf8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u578b\u53f7470-002\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668<\/strong><\/p>\n<p>\u578b\u53f7470-002\u662f\u771f\u7a7a\u8c03\u8282\u5668\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\uff0c\u9002\u7528\u4e8e\u9700\u8981\u6bd4\u5355\u72ec\u4f7f\u7528\u578b\u53f7487\u66f4\u5927\u771f\u7a7a\u6d41\u91cf\u7684\u573a\u666f\u3002\u5982\u679c\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u771f\u7a7a\u8bbe\u7f6e\u5206\u8fa8\u7387\uff0c\u53ef\u4ee5\u5c06\u578b\u53f7484\u4e0e470-002\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\u914d\u5408\u4f7f\u7528\u3002\u7136\u800c\uff0c\u7531\u4e8e\u578b\u53f7484\u4e0d\u5177\u5907\u81ea\u6cc4\u538b\u529f\u80fd\uff0c\u4f7f\u7528\u65f6\u9700\u8981\u5f15\u5165\u5c11\u91cf\u5927\u6c14\u6cc4\u6f0f\u4ee5\u5b9e\u73b0\u8f83\u4f4e\u7684\u771f\u7a7a\u8bbe\u7f6e\u3002\u8be5\u8bbe\u5907\u5728\u4ec51 psi\u538b\u964d\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u5b9e\u73b0\u9ad8\u8fbe44 scfm\u7684\u771f\u7a7a\u6d41\u91cf\u3002\u5982\u679c\u6d41\u91cf\u8d85\u8fc744 scfm\uff0c\u8c03\u8282\u5668\u7684\u538b\u964d\u5c06\u4f1a\u589e\u52a0\u3002\u6d41\u91cf\u653e\u5927\u5668\u91c7\u7528\u975e\u6cc4\u538b\u8bbe\u8ba1\uff0c\u8fd9\u610f\u5473\u7740\u4e0b\u6e38\u771f\u7a7a\u5fc5\u987b\u901a\u8fc7\u5f15\u5165\u7a7a\u6c14\u6cc4\u6f0f\uff08\u5982\u679c\u7cfb\u7edf\u4e2d\u6ca1\u6709\u81ea\u7136\u6cc4\u6f0f\uff09\u6765\u6392\u653e\uff0c\u4ee5\u5b9e\u73b0\u771f\u7a7a\u8bbe\u7f6e\u7684\u964d\u4f4e\u3002<\/p>\n<p><strong>\u89c4\u683c<\/strong><\/p>\n<p><strong>\u5de5\u4f5c\u539f\u7406<\/strong>\uff1a<br \/>\n\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\uff08\u6709\u65f6\u79f0\u4e3a\u771f\u7a7a\u6d41\u91cf\u589e\u5f3a\u5668\uff09\u4e0e\u578b\u53f7487<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/%e7%94%b5%e5%ad%90%e7%9c%9f%e7%a9%ba%e8%b0%83%e8%8a%82%e5%99%a8\/\" title=\"View all posts in \u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668\" target=\"_blank\">\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668<\/a>\uff08\u5148\u5bfc\u771f\u7a7a\u53d1\u751f\u5668\uff09\u914d\u5408\u4f7f\u7528\u3002\u6d41\u91cf\u653e\u5927\u5668\u53ef\u63d0\u5347\u771f\u7a7a\u6d41\u91cf\u80fd\u529b\uff0c\u63d0\u4f9b\u9ad8\u8fbe44 scfm\u7684\u771f\u7a7a\u6d41\u91cf\uff0c\u540c\u65f6\u5c06\u771f\u7a7a\u8c03\u8282\u81f3\u5148\u5bfc\u771f\u7a7a\u8bbe\u7f6e\u3002<\/p>\n<p><strong>\u771f\u7a7a\u8303\u56f4<\/strong>\uff1a<br \/>\n\u9075\u5faa\u578b\u53f7487\u6216484\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668\u7684\u771f\u7a7a\u8bbe\u7f6e\u3002\u975e\u6cc4\u538b\u8bbe\u8ba1\u3002<\/p>\n<p><strong>\u6d41\u91cf\u5bb9\u91cf<\/strong>\uff1a<\/p>\n<ul>\n<li>\u6d41\u91cf\u7cfb\u6570\uff1aCv = 3.4\uff0cSHF = 12.2<\/li>\n<li>\u6700\u5c0f\u6d41\u8def\u76f4\u5f84\uff1a1\/2\u82f1\u5bf8\uff0812.7\u6beb\u7c73\uff09<\/li>\n<\/ul>\n<p><strong>\u7aef\u53e3\u8fde\u63a5<\/strong>\uff1a<\/p>\n<ul>\n<li>\u5148\u5bfc\u7aef\u53e3\uff1a1\/8\u82f1\u5bf8\u5185\u5f84\u8f6f\u7ba1\uff08\u63a8\u8350\u4f7f\u7528Tygon R\u805a\u6c28\u916f\u8f6f\u7ba1\uff09<\/li>\n<li>\u6d41\u91cf\u7aef\u53e3\u5165\u53e3\u548c\u51fa\u53e3\uff1a1\/2\u82f1\u5bf8\u5185\u87ba\u7eb9NPT<\/li>\n<\/ul>\n<p><strong>\u5c3a\u5bf8<\/strong>\uff1a<\/p>\n<ul>\n<li>\u76f4\u5f84\uff1a4.2\u82f1\u5bf8\uff08155\u6beb\u7c73\uff09<\/li>\n<li>\u9ad8\u5ea6\uff1a1.9\u82f1\u5bf8\uff0849\u6beb\u7c73\uff09<\/li>\n<\/ul>\n<p><strong>\u91cd\u91cf<\/strong>\uff1a<br \/>\n1.8\u78c5\uff08820\u514b\uff09<\/p>\n<\/div>\n<div class=\"ds-flex\">\n<div class=\"ds-flex abe97156\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><img loading=\"lazy\" class=\"wp-image-244\" src=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/wp-content\/uploads\/sites\/1915\/2025\/03\/img_67d695f6f096d.png\" alt=\"LJ Engineering,\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668,\u578b\u53f7470-002,470-002HF,470-002SHF\" width=\"431\" height=\"457\" srcset=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/wp-content\/uploads\/sites\/1915\/2025\/03\/img_67d695f6f096d.png 611w, https:\/\/www.bihec.com\/ljengineering-vacuum\/wp-content\/uploads\/sites\/1915\/2025\/03\/img_67d695f6f096d-283x300.png 283w, https:\/\/www.bihec.com\/ljengineering-vacuum\/wp-content\/uploads\/sites\/1915\/2025\/03\/img_67d695f6f096d-500x530.png 500w\" sizes=\"(max-width: 431px) 100vw, 431px\" \/><\/p>\n<p><span id=\"sample-permalink\"><a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/?p=243&amp;preview=true\" target=\"wp-preview-243\" rel=\"noopener\">https:\/\/www.bihec.com\/ljengineering-vacuum\/<span id=\"editable-post-name\">LJ Engineering,\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668,\u578b\u53f7470-002,470-002HF,470-002SHF<\/span>\/<\/a><\/span><\/p>\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/30570965637\">https:\/\/zhuanlan.zhihu.com\/p\/30570965637<\/a><\/p>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/470-002hf\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"470-002HF (1\u4e2a\u9879\u76ee)\">470-002HF<\/a>\n<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/470-002shf\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-2\" style=\"font-size: 8pt;\" aria-label=\"470-002SHF (1\u4e2a\u9879\u76ee)\">470-002SHF<\/a>\n<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/lj-engineering\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 22pt;\" aria-label=\"LJ Engineering (20\u4e2a\u9879\u76ee)\">LJ Engineering<\/a>\n<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/lj-engineering%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e6%94%be%e5%a4%a7%e5%99%a8\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 8pt;\" aria-label=\"LJ Engineering\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668 (1\u4e2a\u9879\u76ee)\">LJ Engineering\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668<\/a>\n<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/lj-engineering%e8%bf%9b%e5%8f%a3%e4%bb%a3%e7%90%86\/\" class=\"tag-cloud-link tag-link-4 tag-link-position-5\" style=\"font-size: 21.450980392157pt;\" aria-label=\"LJ Engineering\u8fdb\u53e3\u4ee3\u7406 (18\u4e2a\u9879\u76ee)\">LJ Engineering\u8fdb\u53e3\u4ee3\u7406<\/a>\n<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/%e5%9e%8b%e5%8f%b7470-002\/\" class=\"tag-cloud-link tag-link-5 tag-link-position-6\" style=\"font-size: 8pt;\" aria-label=\"\u578b\u53f7470-002 (1\u4e2a\u9879\u76ee)\">\u578b\u53f7470-002<\/a>\n<a href=\"https:\/\/www.bihec.com\/ljengineering-vacuum\/tag\/%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e6%94%be%e5%a4%a7%e5%99%a8\/\" class=\"tag-cloud-link tag-link-6 tag-link-position-7\" style=\"font-size: 8pt;\" aria-label=\"\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668 (1\u4e2a\u9879\u76ee)\">\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>LJ Engineering,\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668,\u578b\u53f7470-002,470-002HF,470-002SHF,\u578b\u53f7470-002\u662f\u771f\u7a7a\u8c03\u8282\u5668\u5e94\u7528\u7684\u7406\u60f3\u9009\u62e9\uff0c\u9002\u7528\u4e8e\u9700\u8981\u6bd4\u5355\u72ec\u4f7f\u7528\u578b\u53f74 <\/p>\n","protected":false},"author":27,"featured_media":244,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[4],"tags":[59,60,5,61,13,58,57],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin 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