{"id":235,"date":"2025-12-01T13:36:14","date_gmt":"2025-12-01T05:36:14","guid":{"rendered":"https:\/\/www.bihec.com\/ljengineeringinc2\/?p=235"},"modified":"2025-12-01T13:36:14","modified_gmt":"2025-12-01T05:36:14","slug":"l-j-engineering%e7%94%b5%e5%ad%90%e7%9c%9f%e7%a9%ba%e8%b0%83%e8%8a%82%e5%99%a8%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e5%8f%af%e8%be%be-12-scfm%e5%9e%8b%e5%8f%b7-470","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/ljengineeringinc2\/l-j-engineering%e7%94%b5%e5%ad%90%e7%9c%9f%e7%a9%ba%e8%b0%83%e8%8a%82%e5%99%a8%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e5%8f%af%e8%be%be-12-scfm%e5%9e%8b%e5%8f%b7-470\/","title":{"rendered":"L. J. Engineering\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668\u771f\u7a7a\u6d41\u91cf\u53ef\u8fbe 12 SCFM\u578b\u53f7 470"},"content":{"rendered":"<p><strong><a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/l-j-engineering%e7%94%b5%e5%ad%90%e7%9c%9f%e7%a9%ba%e8%b0%83%e8%8a%82%e5%99%a8%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e5%8f%af%e8%be%be-12-scfm%e5%9e%8b%e5%8f%b7-470\/\" title=\"View all posts in L. J. Engineering\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668\u771f\u7a7a\u6d41\u91cf\u53ef\u8fbe 12 SCFM\u578b\u53f7 470\" target=\"_blank\">L. J. Engineering\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668\u771f\u7a7a\u6d41\u91cf\u53ef\u8fbe 12 SCFM\u578b\u53f7 470<\/a><\/strong><\/p>\n<p id=\"XwDTRNn\"><img decoding=\"async\" loading=\"lazy\" width=\"604\" height=\"450\" class=\"alignnone size-full wp-image-236 \" src=\"https:\/\/www.bihec.com\/ljengineeringinc2\/wp-content\/uploads\/sites\/2849\/2025\/12\/img_692d28a70fc23.png\" alt=\"\" srcset=\"https:\/\/www.bihec.com\/ljengineeringinc2\/wp-content\/uploads\/sites\/2849\/2025\/12\/img_692d28a70fc23.png 604w, https:\/\/www.bihec.com\/ljengineeringinc2\/wp-content\/uploads\/sites\/2849\/2025\/12\/img_692d28a70fc23-300x224.png 300w, https:\/\/www.bihec.com\/ljengineeringinc2\/wp-content\/uploads\/sites\/2849\/2025\/12\/img_692d28a70fc23-500x373.png 500w\" sizes=\"(max-width: 604px) 100vw, 604px\" \/><\/p>\n<p data-start=\"9\" data-end=\"68\"><strong data-start=\"9\" data-end=\"66\">\u578b\u53f7 <a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/470-%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 470 \u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668\" target=\"_blank\">470 \u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668<\/a>\uff08Model 470 Electronic Vacuum Regulator\uff09<\/strong><\/p>\n<p data-start=\"70\" data-end=\"158\">\u578b\u53f7 470 <a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/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>\u8bbe\u8ba1\u7528\u4e8e<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e6%8e%a5%e6%94%b6%e7%94%a8%e6%88%b7%e7%94%b5%e5%ad%90%e7%b3%bb%e7%bb%9f\/\" title=\"View all posts in \u63a5\u6536\u7528\u6237\u7535\u5b50\u7cfb\u7edf\" target=\"_blank\">\u63a5\u6536\u7528\u6237\u7535\u5b50\u7cfb\u7edf<\/a>\u6216\u7535\u4f4d\u5668\u4ea7\u751f\u7684<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e6%a8%a1%e6%8b%9f%e6%8e%a7%e5%88%b6%e4%bf%a1%e5%8f%b7\/\" title=\"View all posts in \u6a21\u62df\u63a7\u5236\u4fe1\u53f7\" target=\"_blank\">\u6a21\u62df\u63a7\u5236\u4fe1\u53f7<\/a>\uff0c\u4ee5<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e8%b0%83%e8%8a%82%e7%9c%9f%e7%a9%ba%e8%b0%83%e8%8a%82%e5%99%a8\/\" title=\"View all posts in \u8c03\u8282\u771f\u7a7a\u8c03\u8282\u5668\" target=\"_blank\">\u8c03\u8282\u771f\u7a7a\u8c03\u8282\u5668<\/a>\u7684\u8bbe\u5b9a\u503c\u3002\u63d0\u4f9b\u4e24\u79cd<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e5%8e%8b%e5%8a%9b%e4%bc%a0%e6%84%9f%e5%99%a8\/\" title=\"View all posts in \u538b\u529b\u4f20\u611f\u5668\" target=\"_blank\">\u538b\u529b\u4f20\u611f\u5668<\/a>\u9009\u9879\uff0c\u7528\u6237\u53ef\u9009\u62e9<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e7%bb%9d%e5%af%b9%e5%8e%8b%e5%8a%9b\/\" title=\"View all posts in \u7edd\u5bf9\u538b\u529b\" target=\"_blank\">\u7edd\u5bf9\u538b\u529b<\/a>\u53c2\u8003\u611f\u5e94\u6216\u5dee\u538b\u53c2\u8003\u611f\u5e94\u3002<\/p>\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:8ed627c4-20de-4480-88b6-03e00c04ffc9-23\" data-testid=\"conversation-turn-12\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"fabbf2c2-5537-4072-9e9e-172c4340e83d\" data-message-model-slug=\"gpt-5-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\">\n<p data-start=\"165\" data-end=\"189\"><strong data-start=\"165\" data-end=\"187\">\u89c4\u683c\uff08Specifications\uff09<\/strong><\/p>\n<ul data-start=\"191\" data-end=\"567\">\n<li data-start=\"191\" data-end=\"267\">\n<p data-start=\"193\" data-end=\"234\"><strong data-start=\"193\" data-end=\"232\"><a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e5%85%a8%e6%b5%81%e9%87%8f%e6%b5%81%e9%80%9a%e9%80%9a%e9%81%93\/\" title=\"View all posts in \u5168\u6d41\u91cf\u6d41\u901a\u901a\u9053\" target=\"_blank\">\u5168\u6d41\u91cf\u6d41\u901a\u901a\u9053<\/a>\uff08Flow Passage at full flow\uff09\uff1a<\/strong><\/p>\n<ul data-start=\"237\" data-end=\"267\">\n<li data-start=\"237\" data-end=\"252\">\n<p data-start=\"239\" data-end=\"252\">\u76f4\u5f84 0.480 \u82f1\u5bf8<\/p>\n<\/li>\n<li data-start=\"255\" data-end=\"267\">\n<p data-start=\"257\" data-end=\"267\">Cv = 3.4<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"269\" data-end=\"336\">\n<p data-start=\"271\" data-end=\"303\"><strong data-start=\"271\" data-end=\"301\">\u53ef\u8c03\u8303\u56f4\uff08Adjustability Range\uff09\uff1a<\/strong><\/p>\n<ul data-start=\"306\" data-end=\"336\">\n<li data-start=\"306\" data-end=\"336\">\n<p data-start=\"308\" data-end=\"336\"><a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e4%bb%8e%e4%bd%8e%e4%ba%8e%e5%a4%a7%e6%b0%94%e5%8e%8b-0-015-%e8%8b%b1%e5%af%b8%e6%b1%9e%e6%9f%b1%e5%88%b0%e6%8e%a5%e8%bf%91%e9%9b%b6%e7%bb%9d%e5%af%b9%e5%8e%8b%e5%8a%9b\/\" title=\"View all posts in \u4ece\u4f4e\u4e8e\u5927\u6c14\u538b 0.015 \u82f1\u5bf8\u6c5e\u67f1\u5230\u63a5\u8fd1\u96f6\u7edd\u5bf9\u538b\u529b\" target=\"_blank\">\u4ece\u4f4e\u4e8e\u5927\u6c14\u538b 0.015 \u82f1\u5bf8\u6c5e\u67f1\u5230\u63a5\u8fd1\u96f6\u7edd\u5bf9\u538b\u529b<\/a>*<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"338\" data-end=\"390\">\n<p data-start=\"340\" data-end=\"361\"><strong data-start=\"340\" data-end=\"359\">\u6ede\u540e\uff08Hysteresis\uff09\uff1a<\/strong><\/p>\n<ul data-start=\"364\" data-end=\"390\">\n<li data-start=\"364\" data-end=\"390\">\n<p data-start=\"366\" data-end=\"390\">\u7ea6 0.004 \u82f1\u5bf8\u6c5e\u67f1\uff080.1 \u6beb\u7c73\u6c5e\u67f1\uff09<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"392\" data-end=\"467\">\n<p data-start=\"394\" data-end=\"424\"><strong data-start=\"394\" data-end=\"422\">\u6d41\u91cf\u7075\u654f\u5ea6\uff08Flow Sensitivity\uff09\uff1a<\/strong><\/p>\n<ul data-start=\"427\" data-end=\"467\">\n<li data-start=\"427\" data-end=\"467\">\n<p data-start=\"429\" data-end=\"467\">\u6d41\u91cf\u4ece 0 \u5230 350 \u5347\/\u5206\u949f\u53d8\u5316\u65f6\uff0c\u8bbe\u5b9a\u70b9\u504f\u79fb\u5c0f\u4e8e 0.1 \u82f1\u5bf8\u6c5e\u67f1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"469\" data-end=\"518\">\n<p data-start=\"471\" data-end=\"488\"><strong data-start=\"471\" data-end=\"486\">\u91cd\u91cf\uff08Weight\uff09\uff1a<\/strong><\/p>\n<ul data-start=\"491\" data-end=\"518\">\n<li data-start=\"491\" data-end=\"504\">\n<p data-start=\"493\" data-end=\"504\"><a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e8%b0%83%e8%8a%82%e5%99%a8\/\" title=\"View all posts in \u8c03\u8282\u5668\" target=\"_blank\">\u8c03\u8282\u5668<\/a>\uff1a3.2 \u78c5<\/p>\n<\/li>\n<li data-start=\"507\" data-end=\"518\">\n<p data-start=\"509\" data-end=\"518\">\u63a7\u5236\u677f\uff1a1 \u78c5<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"520\" data-end=\"567\">\n<p data-start=\"522\" data-end=\"545\"><strong data-start=\"522\" data-end=\"543\">\u6d41\u91cf\u63a5\u53e3\uff08Flow Ports\uff09\uff1a<\/strong><\/p>\n<ul data-start=\"548\" data-end=\"567\">\n<li data-start=\"548\" data-end=\"567\">\n<p data-start=\"550\" data-end=\"567\">1\/2 \u82f1\u5bf8 NPT\uff08\u5185\u87ba\u7eb9\uff09<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr data-start=\"569\" data-end=\"572\" \/>\n<p data-start=\"574\" data-end=\"596\"><strong data-start=\"574\" data-end=\"594\"><a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/l-j-engineering\/\" title=\"View all posts in L. J. Engineering\" target=\"_blank\">L. J. Engineering<\/a>\u7535\u5b50<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/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><a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f\/\" title=\"View all posts in \u771f\u7a7a\u6d41\u91cf\" target=\"_blank\">\u771f\u7a7a\u6d41\u91cf<\/a>\u53ef\u8fbe 12 SCFM\u578b\u53f7 470\u5e94\u7528\uff08Applications\uff09<\/strong><\/p>\n<ul data-start=\"598\" data-end=\"853\">\n<li data-start=\"598\" data-end=\"641\">\n<p data-start=\"600\" data-end=\"641\">\u578b\u53f7 <a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/470-002\/\" title=\"View all posts in 470-002\" target=\"_blank\">470-002<\/a> \u9002\u7528\u4e8e\u9700\u8981\u6bd4\u578b\u53f7 487 \u66f4\u5927<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e7%9c%9f%e7%a9%ba\/\" title=\"View all posts in \u771f\u7a7a\" target=\"_blank\">\u771f\u7a7a<\/a>\u6d41\u91cf\u7684\u771f\u7a7a\u8c03\u8282\u5668\u5e94\u7528\u3002<\/p>\n<\/li>\n<li data-start=\"642\" data-end=\"739\">\n<p data-start=\"644\" data-end=\"739\">\u82e5\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u771f\u7a7a\u8bbe\u5b9a\uff0c\u53ef\u5c06\u578b\u53f7 484 \u4e0e 470-002 \u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\u914d\u5408\u4f7f\u7528\u3002\u4f46\u5728\u4e0e 484 \u8c03\u8282\u5668\u914d\u5408\u4f7f\u7528\u65f6\uff0c\u9700\u8981\u5f15\u5165<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e5%b0%8f%e6%b0%94%e5%8e%8b%e6%b3%84%e6%bc%8f\/\" title=\"View all posts in \u5c0f\u6c14\u538b\u6cc4\u6f0f\" target=\"_blank\">\u5c0f\u6c14\u538b\u6cc4\u6f0f<\/a>\u4ee5\u5b9e\u73b0\u4f4e\u771f\u7a7a\u8bbe\u5b9a\uff0c\u56e0\u4e3a 484 \u4e0d\u662f\u81ea\u6cc4\u538b\u8bbe\u8ba1\u3002<\/p>\n<\/li>\n<li data-start=\"740\" data-end=\"796\">\n<p data-start=\"742\" data-end=\"796\">\u771f\u7a7a\u6d41\u91cf\u53ef\u8fbe 12 SCFM\uff0c\u4ec5\u4ea7\u751f 1 psi \u538b\u529b\u964d\u3002\u8d85\u8fc7 12 SCFM \u65f6\uff0c\u8c03\u8282\u5668\u538b\u529b\u964d\u4f1a\u589e\u52a0\u3002<\/p>\n<\/li>\n<li data-start=\"797\" data-end=\"853\">\n<p data-start=\"799\" data-end=\"853\">\u6d41\u91cf\u653e\u5927\u5668\u4e3a\u975e\u81ea\u6cc4\u538b\u8bbe\u8ba1\uff0c\u8fd9\u610f\u5473\u7740\u4e0b\u6e38\u771f\u7a7a\u5fc5\u987b\u901a\u8fc7\u5f15\u5165\u7a7a\u6c14\u6cc4\u6f0f\uff08\u82e5\u672a\u5b58\u5728\u6cc4\u6f0f\uff09\u6765\u6392\u6c14\uff0c\u624d\u80fd\u964d\u4f4e\u771f\u7a7a\u8bbe\u5b9a\u3002<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"855\" data-end=\"858\" \/>\n<p data-start=\"860\" data-end=\"901\"><strong data-start=\"860\" data-end=\"899\">\u7edd\u5bf9\u538b\u529b\u53c2\u8003\uff08Absolute Pressure Reference\uff09<\/strong><\/p>\n<ul data-start=\"903\" data-end=\"988\">\n<li data-start=\"903\" data-end=\"931\">\n<p data-start=\"905\" data-end=\"931\">\u7edd\u5bf9\u538b\u529b\u53c2\u8003\u76f8\u5bf9\u4e8e\u63a5\u8fd1\u96f6\u538b\u529b\u6216\u7406\u60f3<a href=\"https:\/\/www.bihec.com\/ljengineeringinc2\/tag\/%e7%9c%9f%e7%a9%ba%e6%84%9f%e5%ba%94\/\" title=\"View all posts in \u771f\u7a7a\u611f\u5e94\" target=\"_blank\">\u771f\u7a7a\u611f\u5e94<\/a>\u771f\u7a7a\u3002<\/p>\n<\/li>\n<li data-start=\"932\" data-end=\"960\">\n<p data-start=\"934\" data-end=\"960\">\u5176\u5de5\u4f5c\u539f\u7406\u7c7b\u4f3c\u578b\u53f7 329\uff0c\u4e5f\u91c7\u7528\u7edd\u5bf9\u538b\u529b\u53c2\u8003\u3002<\/p>\n<\/li>\n<li data-start=\"961\" data-end=\"988\">\n<p data-start=\"963\" data-end=\"988\">\u5e38\u7528\u4e8e\u6821\u51c6\u3001\u9ad8\u5ea6\u6a21\u62df\u53ca\u5404\u79cd\u4f4e\u7edd\u5bf9\u538b\u529b\u8c03\u8282\u573a\u5408\u3002<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"990\" data-end=\"993\" \/>\n<p data-start=\"995\" data-end=\"1038\"><strong data-start=\"995\" data-end=\"1036\">\u5dee\u538b\u53c2\u8003\uff08Differential Pressure Reference\uff09<\/strong><\/p>\n<ul data-start=\"1040\" data-end=\"1140\" data-is-last-node=\"\" data-is-only-node=\"\">\n<li data-start=\"1040\" data-end=\"1073\">\n<p data-start=\"1042\" data-end=\"1073\">\u5dee\u538b\u53c2\u8003\u53ef\u4f7f\u5e94\u7528\u76f8\u5bf9\u4e8e\u73af\u5883\u5927\u6c14\u538b\u529b\u6216\u5176\u4ed6\u53c2\u8003\u538b\u529b\u8fdb\u884c\u611f\u5e94\u3002<\/p>\n<\/li>\n<li data-start=\"1074\" data-end=\"1110\">\n<p data-start=\"1076\" data-end=\"1110\">\u5dee\u538b\u611f\u5e94\u53ef\u6d88\u9664\u5f53\u5e94\u7528\u672c\u5e94\u53c2\u8003\u5927\u6c14\u538b\u529b\u4f46\u672a\u53c2\u8003\u65f6\u4ea7\u751f\u7684\u5c0f\u538b\u529b\u53d8\u5316\u3002<\/p>\n<\/li>\n<li data-start=\"1111\" data-end=\"1140\" data-is-last-node=\"\">\n<p data-start=\"1113\" data-end=\"1140\" data-is-last-node=\"\">\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6240\u9700\u7684\u8bbe\u5b9a\u538b\u529b\u4f1a\u968f\u5927\u6c14\u538b\u529b\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"z-0 flex min-h-[46px] 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