{"id":223,"date":"2025-06-13T16:00:09","date_gmt":"2025-06-13T08:00:09","guid":{"rendered":"https:\/\/www.bihec.com\/okeefecontrols\/?p=223"},"modified":"2025-06-13T16:00:09","modified_gmt":"2025-06-13T08:00:09","slug":"%e7%be%8e%e5%9b%bdokeefe-controls%e7%b2%be%e5%af%86%e5%ad%94%e6%9d%bf%e7%b2%be%e5%af%86%e9%87%91%e5%b1%9e%e5%ad%94%e5%8f%a3npt-%e8%bf%9e%e6%8e%a5-npt-%e5%85%ad%e8%a7%92%e6%8e%a5%e5%a4%b4","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/okeefecontrols\/%e7%be%8e%e5%9b%bdokeefe-controls%e7%b2%be%e5%af%86%e5%ad%94%e6%9d%bf%e7%b2%be%e5%af%86%e9%87%91%e5%b1%9e%e5%ad%94%e5%8f%a3npt-%e8%bf%9e%e6%8e%a5-npt-%e5%85%ad%e8%a7%92%e6%8e%a5%e5%a4%b4\/","title":{"rendered":"\u7f8e\u56fdO\u2019Keefe Controls\u7cbe\u5bc6\u5b54\u677f|\u7cbe\u5bc6\u91d1\u5c5e\u5b54\u53e3|NPT \u8fde\u63a5-NPT \u516d\u89d2\u63a5\u5934"},"content":{"rendered":"

\u7f8e\u56fdO\u2019Keefe Controls<\/a>\u7cbe\u5bc6\u5b54\u677f<\/a>|\u7cbe\u5bc6\u91d1\u5c5e\u5b54\u53e3<\/a>|NPT \u8fde\u63a5<\/a>–NPT \u516d\u89d2\u63a5\u5934<\/a><\/h1>\n
<\/p>\n
\u5b9e\u5fc3\u91d1\u5c5e<\/a>\u7684\u4e00\u4f53\u5f0f\u7ed3\u6784\u662f \u5c31\u4e1a\u3002\u5b54\u53e3\u7ecf\u8fc7\u7cbe\u786e\u52a0\u5de5\uff0c \u5f7b\u5e95\u6e05\u6d01<\/a>\uff0c\u5e76\u7ecf\u8fc7 \u6d41\u91cf\u6d4b\u8bd5<\/a> \u4e25\u683c\u7684\u6807\u51c6\u3002 \u5c3a\u5bf8\u8303\u56f4\u4ece .004\u201d \u81f3 .125\u201c \u5b54\u5f84<\/a>\u3002\u7279\u6b8a\u5c3a\u5bf8\u53ef\u4ee5 \u6309\u8ba2\u5355\u751f\u4ea7\u3002<\/ul>\n
\u96f6\u4ef6\u7f16\u53f7 B-4-BR\uff0c\u5b54\u53e3\u7ec4\u4ef6\uff0cB \u578b<\/h2>\n
$\"\"$ <\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\n
\u6d41\u5411<\/strong><\/h2>\n<\/td>\n
\u91d1\u5c5e\u5b54\u7ec4\u4ef6<\/a>\u53ef\u7528\u4e8e\u4efb\u4e00\u65b9\u5411\u7684\u6d41\u52a8\u3002Air Flow \uff08\u7a7a\u6c14\u6d41\u91cf\uff09 \u548c Water Flow \uff08\u6c34\u6d41\u91cf\uff09 \u6570\u636e\u9002\u7528\u4e8e\u4ea7\u54c1\u56fe\u7247\u4e2d\u6240\u793a\u7684\u6d41\u5411\u3002<\/span><\/span><\/td>\n<\/tr>\n
\n
\u6750\u6599<\/strong><\/h2>\n<\/td>\n
\u9ec4\u94dc<\/a><\/span><\/span><\/td>\n<\/tr>\n
\n
\u6807\u79f0\u5b54\u5f84<\/a><\/strong><\/h2>\n<\/td>\n
4<\/span><\/span><\/td>\n<\/tr>\n
\n
C_{V<\/sub><\/strong><\/h2>\n<\/div>\n<\/td>\n}
0.00035<\/span><\/span><\/td>\n<\/tr>\n
\n
\u5b54\u53e3\u51e0\u4f55<\/strong><\/h2>\n<\/td>\n
\u5706<\/span><\/span><\/td>\n<\/tr>\n
\n
\u6700\u5927\u5de5\u4f5c\u538b\u529b<\/strong><\/h2>\n<\/td>\n
2000 \u78c5\/\u5e73\u65b9\u82f1\u5bf8<\/a><\/span><\/span><\/td>\n<\/tr>\n
\n
\u8fde\u63a5 A<\/strong><\/h2>\n<\/td>\n
1\/8\u201c NPT \u5916\u87ba\u7eb9<\/a><\/span><\/span><\/td>\n<\/tr>\n
\n
\u8fde\u63a5 B<\/strong><\/h2>\n<\/td>\n
1\/8\u201c NPT \u5916\u87ba\u7eb9<\/span><\/span><\/td>\n<\/tr>\n
\n
\u7b5b\u9009<\/strong><\/h2>\n<\/td>\n
\u6ca1\u6709<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n
\u7cbe\u786e\u6d41\u91cf\u63a7\u5236<\/a> \u2013 \u6c14\u4f53\u6216\u6db2\u4f53<\/a><\/li>\n
\u901f\u5ea6\u63a7\u5236\u5668<\/a> \u2013 \u6c14\u7f38\u548c\u6267\u884c\u5668<\/a><\/li>\n
\u6c14\u52a8\u6216\u6db2\u538b\u56de\u8def\u4e2d\u7684\u7cbe\u786e\u8ba1\u65f6<\/li>\n
\u6d41\u91cf\u9650\u5236<\/a><\/li>\n
\u7cbe\u786e\u9650\u6d41<\/a><\/li>\n
\u7f13\u51b2\u5668<\/a> – \u91cf\u5177\u548c\u4eea\u5668<\/li>\n
\u8d85\u58f0\u6ce2\u58f0\u6e90<\/a><\/li>\n
\u9ad8\u538b\u80fd\u529b<\/a><\/li>\n
\u53cc\u5411\u6d41\u52a8\u517c\u5bb9\u6027<\/a><\/li>\n
\u7ecf\u6d4e\u578b\u7cbe\u5bc6\u5b54\u677f<\/a><\/li>\n
\u53ef\u91cd\u590d\u7684\u5b54\u53e3\u5c3a\u5bf8\u548c\u5f62\u72b6<\/li>\n
\u53ef\u9884\u6d4b\u7684\u6d41\u901f<\/a><\/li>\n<\/ul>\n\n\n\n
\n
\u7a7a\u6c14\u6d41\u901a\u8bf4\u660e<\/strong><\/h2>\n<\/td>\n
\u6807\u51c6\u6761\u4ef6 70\u00b0F<\/a>\uff0c14.7 psia
\n SCFH \u2013 \u6807\u51c6\u7acb\u65b9\u82f1\u5c3a\/\u5c0f\u65f6<\/a>
\nSLPM \u2013 \u6807\u51c6\u5347\/\u5206\u949f
\n\u91d1\u5c5e\u5b54\u6c14\u6d41\u6570\u636e\u4f7f\u7528 B \u578b\u9650\u6d41\u5668\u83b7\u5f97\u3002
\n\u5176\u4ed6\u91d1\u5c5e\u9650\u6d41\u5668\u7684\u6d41\u901f\u4e3a \u4e0e B \u578b\u57fa\u672c\u76f8\u540c\u3002
\n\u91d1\u5c5e\u5b54\u6c14\u6d41\u6570\u636e\u53d6\u4ee3\u4e86\u4ee5\u524d\u7684\u51fa\u7248\u7269\u3002<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n
\n
\u6c34\u6d41\u7b14\u8bb0<\/strong><\/h2>\n<\/td>\n
\u91d1\u5c5e\u5b54\u53e3\u6c34\u6d41\u6570\u636e\u6839\u636e\u6bcf\u4e2a\u5b54\u53e3\u7684 Cv \u8ba1\u7b97\u5f97\u51fa\u3002\u6d41\u91cf = Cv \u221a\u0394P\u3002\u0394P = \u4ee5 psid \u4e3a\u5355\u4f4d\u7684\u538b\u5dee\u3002\u5047\u8bbe\u5b54\u53e3\u4e24\u4fa7\u7684\u533a\u57df\u5b8c\u5168\u88ab\u6df9\u6ca1\uff0c\u6ca1\u6709\u6c14\u7a74\u3002<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
NPT \u8fde\u63a5<\/a>\n SCFH \u2013 \u6807\u51c6\u7acb\u65b9\u82f1\u5c3a\/\u5c0f\u65f6<\/a>\n \u6807\u51c6\u6761\u4ef6 70\u00b0F<\/a>\n \u6d41\u91cf\u9650\u5236<\/a>\n \u7cbe\u5bc6\u91d1\u5c5e\u5b54\u53e3<\/a>\n \u7cbe\u786e\u6d41\u91cf\u63a7\u5236<\/a><\/div>","protected":false},"excerpt":{"rendered":"
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