{"id":270,"date":"2026-06-25T17:19:44","date_gmt":"2026-06-25T09:19:44","guid":{"rendered":"https:\/\/www.bihec.com\/ljengineeringinc2\/?p=270"},"modified":"2026-06-25T17:19:44","modified_gmt":"2026-06-25T09:19:44","slug":"l-j-engineering-470-002%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e6%94%be%e5%a4%a7%e5%99%a8%e6%b5%81%e9%87%8f%e5%a2%9e%e5%bc%ba%e5%99%a8%e6%8f%90%e5%8d%87%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/ljengineeringinc2\/l-j-engineering-470-002%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f%e6%94%be%e5%a4%a7%e5%99%a8%e6%b5%81%e9%87%8f%e5%a2%9e%e5%bc%ba%e5%99%a8%e6%8f%90%e5%8d%87%e7%9c%9f%e7%a9%ba%e6%b5%81%e9%87%8f\/","title":{"rendered":"L.J. Engineering 470-002\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\u6d41\u91cf\u589e\u5f3a\u5668\u63d0\u5347\u771f\u7a7a\u6d41\u91cf"},"content":{"rendered":"

L.J. Engineering 470-002<\/a>\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668<\/a>\u6d41\u91cf\u589e\u5f3a\u5668\u63d0\u5347\u771f\u7a7a\u6d41\u91cf<\/a><\/strong><\/p>\n

\"\"<\/p>\n

470-002 \u578b\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668<\/a>
\n470-002 \u578b\u53f7\u975e\u5e38\u9002\u5408\u90a3\u4e9b\u9700\u8981\u6bd4 487 \u578b\u53f7\u5355\u72ec\u4f7f\u7528\u6240\u80fd\u63d0\u4f9b\u7684\u771f\u7a7a<\/a>\u5ea6\u66f4\u9ad8\u7684\u5e94\u7528\u573a\u666f\u3002\u5982\u679c\u9700\u8981\u66f4\u7cbe\u786e\u7684\u771f\u7a7a\u5ea6\u8c03\u8282\uff0c\u53ef\u4ee5\u5c06 484 \u578b\u53f7<\/a>\u4e0e 470-002 \u578b\u53f7\u4e00\u8d77\u4f7f\u7528\u3002\u4e0d\u8fc7\uff0c\u5f53\u4e0e 484 \u578b\u53f7\u4e00\u8d77\u4f7f\u7528\u65f6\uff0c\u5fc5\u987b\u5141\u8bb8\u6709\u5c11\u91cf\u7a7a\u6c14\u6cc4\u6f0f\uff0c\u8fd9\u6837\u624d\u80fd\u5b9e\u73b0\u66f4\u4f4e\u7684\u771f\u7a7a\u5ea6\u8bbe\u7f6e\u2014\u2014\u56e0\u4e3a 484 \u578b\u53f7\u672c\u8eab\u4e0d\u5177\u5907\u81ea\u52a8\u6cc4\u538b\u529f\u80fd\u3002\u5728\u8be5\u8bbe\u5907\u4e0a\uff0c\u53ea\u8981 1 \u78c5\/\u5e73\u65b9\u82f1\u5bf8\u7684\u538b\u529b\u964d\uff0c\u5c31\u80fd\u5b9e\u73b0\u9ad8\u8fbe 44 \u6807\u51c6\u7acb\u65b9\u82f1\u5c3a\/\u5206\u949f\u7684\u771f\u7a7a\u6d41\u91cf<\/a>\u3002\u5982\u679c\u6d41\u91cf\u8d85\u8fc7 44 \u6807\u51c6\u7acb\u65b9\u82f1\u5c3a\/\u5206\u949f\uff0c\u90a3\u4e48\u8c03\u8282\u5668<\/a>\u4e0a\u7684\u538b\u529b\u964d\u5c31\u4f1a\u589e\u5927\u3002\u8be5\u6d41\u91cf\u589e\u5f3a\u5668\u5c5e\u4e8e\u975e\u81ea\u52a8\u6cc4\u538b\u578b\u8bbe\u8ba1\uff0c\u8fd9\u610f\u5473\u7740\u4e3a\u4e86\u964d\u4f4e\u771f\u7a7a\u5ea6\uff0c\u5fc5\u987b\u8ba9\u4e0b\u6e38\u7684\u771f\u7a7a\u7cfb\u7edf\u6709\u7a7a\u6c14\u6cc4\u6f0f\uff08\u5982\u679c\u4e4b\u524d\u6ca1\u6709\u6cc4\u6f0f\u7684\u8bdd\uff09\u3002<\/p>\n

\"\"<\/p>\n

L.J. Engineering 470-002\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\u6d41\u91cf\u589e\u5f3a\u5668\u63d0\u5347\u771f\u7a7a\u6d41\u91cf\u5de5\u4f5c\u539f\u7406\uff1a<\/span><\/span><\/span><\/strong><\/p>\n

\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\uff0c\u6709\u65f6\u4e5f\u88ab\u79f0\u4e3a\u771f\u7a7a\u6d41\u91cf\u589e\u5f3a\u5668<\/a>\uff0c\u9700\u8981\u4e0e 487 \u578b\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668<\/a>\uff08\u5373\u5148\u5bfc\u771f\u7a7a\u53d1\u751f\u5668<\/a>\uff09\u914d\u5408\u4f7f\u7528\u3002\u8be5\u88c5\u7f6e\u80fd\u591f\u63d0\u5347\u771f\u7a7a\u6d41\u91cf\uff0c\u4f7f\u5176\u8fbe\u5230\u6700\u9ad8 44 \u6807\u51c6\u7acb\u65b9\u82f1\u5c3a\/\u5206\u949f\u7684\u6d41\u91cf\u6c34\u5e73<\/a>\uff0c\u540c\u65f6\u8fd8\u80fd\u5c06\u771f\u7a7a\u5ea6\u63a7\u5236\u5728\u9884\u5b9a\u7684\u5148\u5bfc\u771f\u7a7a\u503c\u8303\u56f4\u5185\u3002<\/p>\n

\u771f\u7a7a\u8303\u56f4\uff1a\u8be5\u4ea7\u54c1\u7684\u8bbe\u7f6e\u65b9\u5f0f\u4e0e 487 \u578b\u6216 484 \u578b\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668<\/a>\u7684\u8bbe\u7f6e\u65b9\u5f0f\u76f8\u540c\u3002\u5c5e\u4e8e\u975e\u6cc4\u538b\u5f0f\u8bbe\u8ba1\u3002<\/span><\/span><\/span><\/strong><\/p>\n

Flow Capacity:\u00a0\u00a0\u00a0<\/span>\u6d41\u91cf\u5bb9\u91cf\uff1a<\/span><\/span><\/span><\/strong><\/p>\n

Flow coefficient: Cv = 3.4 and SHF = 12.2
\n\u6d41\u91cf\u7cfb\u6570\uff1aCv = 3.4\uff0cSHF = 12.2<\/span><\/span><\/span><\/p>\n

1\/2 inch (12.7 mm) minimum flow path diameter
\n\u6700\u5c0f\u6d41\u9053\u76f4\u5f84\u4e3a 1\/2 \u82f1\u5bf8\uff0812.7 \u6beb\u7c73\uff09<\/span><\/span><\/span><\/p>\n

Port Connections:\u00a0\u00a0\u00a0<\/span>\u7aef\u53e3\u8fde\u63a5\uff1a<\/span><\/span><\/span><\/strong><\/p>\n

Pilot port: 1\/8 inch inside hose diameter (Tygon R polyurethane recommended)
\n\u63a5\u53e3\u5c3a\u5bf8\uff1a\u5185\u5f84\u4e3a 1\/8 \u82f1\u5bf8\u7684\u8f6f\u7ba1\uff08\u5efa\u8bae\u4f7f\u7528 Tygon R \u805a\u6c28\u916f\u6750\u6599\u5236\u6210\u7684\u8f6f\u7ba1\uff09<\/span><\/span><\/span><\/p>\n

Flow port inlet and outlet 1\/2 inch female NPT
\n\u6d41\u91cf\u7aef\u53e3\u7684\u8fdb\u51fa\u53e3\u5747\u4e3a 1\/2 \u82f1\u5bf8 NPT \u6bcd\u87ba\u7eb9\u63a5\u53e3<\/span><\/span><\/span><\/p>\n

Size:\u00a0\u00a0\u00a0<\/span>\u5c3a\u5bf8\uff1a<\/span><\/span><\/span><\/strong><\/p>\n

4.2 inch (155 mm) diameter by 1.9 inch (49 mm) high
\n\u76f4\u5f84 4.2 \u82f1\u5bf8\uff08155 \u6beb\u7c73\uff09\uff0c\u9ad8\u5ea6 1.9 \u82f1\u5bf8\uff0849 \u6beb\u7c73\uff09<\/span><\/span><\/span><\/p>\n

Weight:\u00a0\u00a0<\/span>\u91cd\u91cf\uff1a<\/span><\/span><\/span><\/strong><\/p>\n

1.8 pounds (820 g)\u00a0\u00a0<\/span>1.8 \u78c5\uff08820 \u514b\uff09<\/span><\/span><\/span><\/p>\n

44 \u6807\u51c6\u7acb\u65b9\u82f1\u5c3a\/\u5206\u949f\u7684\u6d41\u91cf\u6c34\u5e73<\/a>\n470-002<\/a>\n470-002 \u578b\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668<\/a>\n484 \u578b\u53f7<\/a>\n487 \u578b\u6216 484 \u578b\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668<\/a>\n487 \u578b\u7535\u5b50\u771f\u7a7a\u8c03\u8282\u5668<\/a>\n\u5148\u5bfc\u771f\u7a7a\u53d1\u751f\u5668<\/a>\n\u63d0\u5347\u771f\u7a7a\u6d41\u91cf<\/a>\n\u771f\u7a7a\u6d41\u91cf\u589e\u5f3a\u5668<\/a>\n\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668<\/a><\/div>","protected":false},"excerpt":{"rendered":"

L.J. Engineering 470-002\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668\u6d41\u91cf\u589e\u5f3a\u5668\u63d0\u5347\u771f\u7a7a\u6d41\u91cf 470-002 \u578b\u771f\u7a7a\u6d41\u91cf\u653e\u5927\u5668 470-002 \u578b\u53f7\u975e\u5e38\u9002\u5408\u90a3\u4e9b\u9700\u8981\u6bd4 487 \u578b\u53f7\u5355\u72ec\u4f7f\u7528 <\/p>\n","protected":false},"author":38,"featured_media":271,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[1],"tags":[149,55,142,143,150,146,147,148,145,144],"yoast_head":"\nL.J. 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