{"id":1515,"date":"2026-02-03T21:30:41","date_gmt":"2026-02-03T13:30:41","guid":{"rendered":"http:\/\/zjjafm.ceshi24.7-mi.net\/?p=1515"},"modified":"2026-02-03T21:49:23","modified_gmt":"2026-02-03T13:49:23","slug":"%e8%87%aa%e5%8a%9b%e5%bc%8f%e6%b8%a9%e5%ba%a6%e8%b0%83%e8%8a%82%e9%98%80-3","status":"publish","type":"post","link":"https:\/\/www.jinaovalve.com\/?p=1515","title":{"rendered":"Self-operated temperature control valve"},"content":{"rendered":"<p><strong>Product Description:<\/strong><br \/>\nSelf-operated temperature control valves automatically adjust the temperature without external energy. It is suitable for various heat exchange occasions such as steam, hot water, hot oil, etc. as the medium. It is widely used in heating, air conditioning, domestic hot water automatic temperature adjustment, as well as special occasion temperature automatic adjustment, such as chemical, textile, pharmaceutical and other production projects.<\/p>\n<p><strong>How it works:<\/strong><br \/>\nThe self-operated temperature control valve uses the principle of liquid heating expansion and liquid incompressibility to achieve automatic adjustment. The liquid expansion in the temperature sensor is uniform, and its control effect is proportional adjustment. When the temperature of the controlled medium changes, the volume of the temperature-sensing liquid in the sensor expands or contracts. When the temperature of the controlled medium is higher than the set value, the temperature-sensing liquid expands, pushing the valve core downwards to close the valve and reduce the flow rate of the heat medium. When the temperature of the controlled medium is lower than the set value, the temperature-sensing liquid contracts, and the return spring pushes the valve spool to open, increasing the flow rate of the heat medium.<\/p>\n<p><strong>Scope of application<\/strong><br \/>\nheating and air conditioning, domestic hot water, petrochemical, electric power, mechanical and electrical, textile, rubber, food and other industries.<\/p>\n<p><strong>Product features:<\/strong><br \/>\n1. Small size, light weight, and easy installation<br \/>\n2. Accurate and reliable long life<br \/>\n3. Maintenance-free work<br \/>\n4. Mediation is easy to set up<br \/>\n5. Passive operation (no power supply, normal operation of air supply)<br \/>\n6. No need for expensive commissioning costs<br \/>\n7. The valve body seal adopts V-ring high-temperature sealing assembly, which prevents the possibility of over-tight locking or air leakage of the valve stem.<\/p>\n<p><strong>Main technical performance indicators<\/strong><\/p>\n<table border=\"1\" width=\"100%\" cellspacing=\"1\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td colspan=\"2\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">Nominal diameter DN (mm)<\/span><\/span><\/span><\/td>\n<td>15<\/td>\n<td>20<\/td>\n<td>25<\/td>\n<td>32<\/td>\n<td>40<\/td>\n<td>50<\/td>\n<td>65<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>150<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">K<sub>V<\/sub>(m3\/h)<\/td>\n<td>3.2<\/td>\n<td>5<\/td>\n<td>8<\/td>\n<td>12.5<\/td>\n<td>20<\/td>\n<td>32<\/td>\n<td>50<\/td>\n<td>80<\/td>\n<td>120<\/td>\n<td>180<\/td>\n<td>260<\/td>\n<td>350<\/td>\n<td>450<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">There is a large allowable pressure difference<\/span><\/span><\/span><\/td>\n<td>PN16<\/td>\n<td colspan=\"14\">1.6<\/td>\n<\/tr>\n<tr>\n<td>(MPa)<\/td>\n<td>PN25<\/td>\n<td colspan=\"14\">2.5<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">Nominal Pressure (MPa)<\/span><\/span><\/span><\/td>\n<td colspan=\"14\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-block-wrapper-theme-none immersive-translate-target-translation-block-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">PN16 (the valve body is made of ductile iron, the working temperature \u2264 220\u00b0C) PN25 (the valve body is made of cast steel, the working temperature \u2264 350\u00b0C).<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">Temperature setting range (\u00b0C)<\/span><\/span><\/span><\/td>\n<td colspan=\"14\">25\u2103\u300135-110\u2103<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">Balancing elements<\/span><\/span><\/span><\/td>\n<td colspan=\"14\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">Stainless steel 316L corrugated tube<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">Catheter length (m)<\/span><\/span><\/span><\/td>\n<td colspan=\"14\">3.5-20<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">Circulation medium<\/span><\/span><\/span><\/td>\n<td colspan=\"14\"><span class=\"notranslate immersive-translate-target-wrapper\" lang=\"en\"><span class=\"notranslate immersive-translate-target-translation-theme-none immersive-translate-target-translation-inline-wrapper-theme-none immersive-translate-target-translation-inline-wrapper\" data-immersive-translate-translation-element-mark=\"1\"><span class=\"notranslate immersive-translate-target-inner immersive-translate-target-translation-theme-none-inner\" data-immersive-translate-translation-element-mark=\"1\">Steam, water, hot oil<\/span><\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u54c1\u724c\uff1a\u91d1\u5965<\/p>\n<p>\u578b\u53f7\uff1a<\/p>\n","protected":false},"author":1,"featured_media":1165,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[8,7],"tags":[],"class_list":["post-1515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-shredder-fan","category-products"],"_links":{"self":[{"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=\/wp\/v2\/posts\/1515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1515"}],"version-history":[{"count":3,"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=\/wp\/v2\/posts\/1515\/revisions"}],"predecessor-version":[{"id":1531,"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=\/wp\/v2\/posts\/1515\/revisions\/1531"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=\/wp\/v2\/media\/1165"}],"wp:attachment":[{"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jinaovalve.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}