{"id":670,"date":"2026-07-23T15:59:40","date_gmt":"2026-07-23T07:59:40","guid":{"rendered":"https:\/\/www.bihec.com\/okeefe\/?p=670"},"modified":"2026-07-23T16:00:34","modified_gmt":"2026-07-23T08:00:34","slug":"okeefe%e7%b2%be%e5%af%86%e9%87%91%e5%b1%9e%e8%8a%82%e6%b5%81%e5%ad%94-npt%e5%a4%96%e8%9e%ba%e7%ba%b9%e5%85%ad%e8%a7%92%e6%8e%a5%e5%a4%b4-%e8%8a%82%e6%b5%81%e5%ad%94%e5%be%840-004-%e8%8b%b1","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/okeefe\/okeefe%e7%b2%be%e5%af%86%e9%87%91%e5%b1%9e%e8%8a%82%e6%b5%81%e5%ad%94-npt%e5%a4%96%e8%9e%ba%e7%ba%b9%e5%85%ad%e8%a7%92%e6%8e%a5%e5%a4%b4-%e8%8a%82%e6%b5%81%e5%ad%94%e5%be%840-004-%e8%8b%b1\/","title":{"rendered":"O&#8217;keefe\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54 \u2014 NPT\u5916\u87ba\u7eb9\u516d\u89d2\u63a5\u5934 \u8282\u6d41\u5b54\u5f840.004 \u82f1\u5bf8\uff5e0.125 \u82f1\u5bf8"},"content":{"rendered":"<div>\n<h1><a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/%e7%b2%be%e5%af%86%e9%87%91%e5%b1%9e%e8%8a%82%e6%b5%81%e5%ad%94\/\" title=\"View all posts in \u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54\" target=\"_blank\">\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54<\/a> \u2014 NPT \u5916\u87ba\u7eb9\u516d\u89d2<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/%e6%8e%a5%e5%a4%b4\/\" title=\"View all posts in \u63a5\u5934\" target=\"_blank\">\u63a5\u5934<\/a><\/h1>\n<\/div>\n<div>\n<div>\u91c7\u7528\u5b9e\u5fc3\u91d1\u5c5e\u4e00\u4f53\u6210\u578b\u7ed3\u6784\u3002<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/%e8%8a%82%e6%b5%81%e5%ad%94\/\" title=\"View all posts in \u8282\u6d41\u5b54\" target=\"_blank\">\u8282\u6d41\u5b54<\/a>\u7ecf\u8fc7\u7cbe\u5bc6\u673a\u52a0\u5de5\u3001\u5f7b\u5e95\u6e05\u6d01\uff0c\u5e76\u6309\u7167\u4e25\u82db\u6807\u51c6\u5b8c\u6210\u6d41\u91cf\u6d4b\u8bd5\u3002\u8282\u6d41<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/%e5%ad%94%e5%be%84\/\" title=\"View all posts in \u5b54\u5f84\" target=\"_blank\">\u5b54\u5f84<\/a>\u89c4\u683c\u8303\u56f4\uff1a0.004 \u82f1\u5bf8\uff5e0.125 \u82f1\u5bf8\uff0c\u53ef\u5b9a\u5236\u7279\u6b8a\u89c4\u683c\u3002<\/div>\n<\/div>\n<div>\n<p id=\"ZBpOjJK\">\n<\/div>\n<div>\n<table>\n<thead>\n<tr>\n<th>\u96f6\u4ef6\u578b\u53f7<\/th>\n<th>\u8282\u6d41\u5b54\u5b54\u5f84<\/th>\n<th>\u6750\u8d28<\/th>\n<th>\u6d41\u91cf\u7cfb\u6570<span class=\"container-wTfUs6 math-inline\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">C<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">V<\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/th>\n<th>\u63a5\u5934\u6700\u5927\u627f\u538b<\/th>\n<th>\u5185\u7f6e\u6ee4\u7f51<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/b-4-br\/\" title=\"View all posts in B-4-BR\" target=\"_blank\">B-4-BR<\/a><\/td>\n<td>0.0039 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.00035<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/b-4-ss\/\" title=\"View all posts in B-4-SS\" target=\"_blank\">B-4-SS<\/a><\/td>\n<td>0.0039 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.00035<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-5-BR<\/td>\n<td>0.0051 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.00061<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-5-SS<\/td>\n<td>0.0051 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.00061<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-6-BR<\/td>\n<td>0.0059 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.00086<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-6-SS<\/td>\n<td>0.0059 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.00086<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-7-BR<\/td>\n<td>0.0071 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.0012<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-7-SS<\/td>\n<td>0.0071 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.0012<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/b-8-br\/\" title=\"View all posts in B-8-BR\" target=\"_blank\">B-8-BR<\/a><\/td>\n<td>0.0079 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.00<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/15\/\" title=\"View all posts in 15\" target=\"_blank\">15<\/a><\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-8-SS<\/td>\n<td>0.0079 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.0015<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-9-BR<\/td>\n<td>0.0091 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.0019<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-9-SS<\/td>\n<td>0.0091 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.0019<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/b-10-br\/\" title=\"View all posts in B-10-BR\" target=\"_blank\">B-10-BR<\/a><\/td>\n<td>0.0102 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.0025<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-10-SS<\/td>\n<td>0.0102 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.0025<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/b-11-br\/\" title=\"View all posts in B-11-BR\" target=\"_blank\">B-11-BR<\/a><\/td>\n<td>0.011 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.0028<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-11-SS<\/td>\n<td>0.011 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.0028<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-12-BR<\/td>\n<td>0.0122 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.0034<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-12-SS<\/td>\n<td>0.0122 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.0034<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-13-BR<\/td>\n<td>0.013 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.0038<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-13-SS<\/td>\n<td>0.013 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.0038<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-14-BR<\/td>\n<td>0.0142 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.0043<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-14-SS<\/td>\n<td>0.0142 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.0043<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-15-BR<\/td>\n<td>0.015 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.005<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-15-SS<\/td>\n<td>0.015 \u82f1\u5bf8<\/td>\n<td>303 \u4e0d\u9508\u94a2<\/td>\n<td>0.005<\/td>\n<td>4000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<tr>\n<td>B-16-BR<\/td>\n<td>0.016 \u82f1\u5bf8<\/td>\n<td>\u9ec4\u94dc<\/td>\n<td>0.0055<\/td>\n<td>2000 psig<\/td>\n<td>\u65e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u540c\u5b54\u5f84\u578b\u53f7\uff0c<strong>\u9ec4\u94dc\u6b3e\u627f\u538b\u4e0a\u9650 2000 psig\uff0c303 \u4e0d\u9508\u94a2\u6b3e\u53ef\u8fbe 4000 psig<\/strong>\uff1b<\/p>\n<p>\u6240\u6709\u578b\u53f7\u5747\u672a\u914d\u7f6e\u5185\u7f6e\u6ee4\u7f51\u3002<\/p>\n<p id=\"JtSjTsf\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-675 \" src=\"https:\/\/www.bihec.com\/okeefe\/wp-content\/uploads\/sites\/1490\/2026\/07\/img_6a61ca1d099a3.png\" alt=\"\" width=\"408\" height=\"290\" srcset=\"https:\/\/www.bihec.com\/okeefe\/wp-content\/uploads\/sites\/1490\/2026\/07\/img_6a61ca1d099a3.png 500w, https:\/\/www.bihec.com\/okeefe\/wp-content\/uploads\/sites\/1490\/2026\/07\/img_6a61ca1d099a3-300x213.png 300w\" sizes=\"(max-width: 408px) 100vw, 408px\" \/><\/p>\n<p id=\"xbgqCjK\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-672 \" src=\"https:\/\/www.bihec.com\/okeefe\/wp-content\/uploads\/sites\/1490\/2026\/07\/img_6a61c6a22ea28.png\" alt=\"\" width=\"368\" height=\"313\" srcset=\"https:\/\/www.bihec.com\/okeefe\/wp-content\/uploads\/sites\/1490\/2026\/07\/img_6a61c6a22ea28.png 436w, https:\/\/www.bihec.com\/okeefe\/wp-content\/uploads\/sites\/1490\/2026\/07\/img_6a61c6a22ea28-300x255.png 300w\" sizes=\"(max-width: 368px) 100vw, 368px\" \/><\/p>\n<\/div>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/npt%e5%a4%96%e8%9e%ba%e7%ba%b9%e5%85%ad%e8%a7%92%e6%8e%a5%e5%a4%b4\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"NPT\u5916\u87ba\u7eb9\u516d\u89d2\u63a5\u5934 (1\u4e2a\u9879\u76ee)\">NPT\u5916\u87ba\u7eb9\u516d\u89d2\u63a5\u5934<\/a>\n<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/okeefe\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-2\" style=\"font-size: 19.588888888889pt;\" aria-label=\"O&#039;KEEFE (61\u4e2a\u9879\u76ee)\">O&#039;KEEFE<\/a>\n<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/okeefe-controls\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-3\" style=\"font-size: 22pt;\" aria-label=\"O&#039;Keefe Controls (125\u4e2a\u9879\u76ee)\">O&#039;Keefe Controls<\/a>\n<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/okeefe-controls-co\/\" class=\"tag-cloud-link tag-link-4 tag-link-position-4\" style=\"font-size: 20.211111111111pt;\" aria-label=\"O&#039;Keefe Controls Co. (73\u4e2a\u9879\u76ee)\">O&#039;Keefe Controls Co.<\/a>\n<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/okeefe%e7%b2%be%e5%af%86%e9%87%91%e5%b1%9e%e8%8a%82%e6%b5%81%e5%ad%94\/\" class=\"tag-cloud-link tag-link-5 tag-link-position-5\" style=\"font-size: 18.966666666667pt;\" aria-label=\"O&#039;keefe\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54 (50\u4e2a\u9879\u76ee)\">O&#039;keefe\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54<\/a>\n<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/o-keefe-controls\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-6\" style=\"font-size: 19.744444444444pt;\" aria-label=\"O Keefe controls (63\u4e2a\u9879\u76ee)\">O Keefe controls<\/a>\n<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/%e7%b2%be%e5%af%86%e9%87%91%e5%b1%9e%e8%8a%82%e6%b5%81%e5%ad%94\/\" class=\"tag-cloud-link tag-link-6 tag-link-position-7\" style=\"font-size: 9.4pt;\" aria-label=\"\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54 (2\u4e2a\u9879\u76ee)\">\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54<\/a>\n<a href=\"https:\/\/www.bihec.com\/okeefe\/tag\/%e7%be%8e%e5%9b%bd-okeefe-controls\/\" class=\"tag-cloud-link tag-link-7 tag-link-position-8\" style=\"font-size: 18.033333333333pt;\" aria-label=\"\u7f8e\u56fd O\u2019Keefe Controls (38\u4e2a\u9879\u76ee)\">\u7f8e\u56fd O\u2019Keefe Controls<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54 \u2014 NPT \u5916\u87ba\u7eb9\u516d\u89d2\u63a5\u5934 \u91c7\u7528\u5b9e\u5fc3\u91d1\u5c5e\u4e00\u4f53\u6210\u578b\u7ed3\u6784\u3002\u8282\u6d41\u5b54\u7ecf\u8fc7\u7cbe\u5bc6\u673a\u52a0\u5de5\u3001\u5f7b\u5e95\u6e05\u6d01\uff0c\u5e76\u6309\u7167\u4e25\u82db\u6807\u51c6\u5b8c\u6210\u6d41\u91cf\u6d4b\u8bd5\u3002\u8282\u6d41\u5b54\u5f84\u89c4\u683c\u8303\u56f4\uff1a0.004 \u82f1\u5bf8\uff5e0.125 \u82f1 <\/p>\n","protected":false},"author":39,"featured_media":672,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[1],"tags":[432,286,309,51,120,430,431,4],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O&#039;keefe\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54 \u2014 NPT\u5916\u87ba\u7eb9\u516d\u89d2\u63a5\u5934 \u8282\u6d41\u5b54\u5f840.004 \u82f1\u5bf8\uff5e0.125 \u82f1\u5bf8<\/title>\n<meta name=\"description\" content=\"O&#039;keefe\u7cbe\u5bc6\u91d1\u5c5e\u8282\u6d41\u5b54 \u2014 NPT\u5916\u87ba\u7eb9\u516d\u89d2\u63a5\u5934 \u8282\u6d41\u5b54\u5f840.004 \u82f1\u5bf8\uff5e0.125 \u82f1\u5bf8\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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