{"id":781,"date":"2002-10-27T23:25:33","date_gmt":"2002-10-27T16:25:33","guid":{"rendered":"http:\/\/kanur.id\/staging\/?p=781"},"modified":"2023-06-15T10:18:08","modified_gmt":"2023-06-15T03:18:08","slug":"safety-valve","status":"publish","type":"post","link":"https:\/\/kanur.id\/staging\/safety-valve\/","title":{"rendered":"Safety Valve"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"781\" class=\"elementor elementor-781\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4f219b30 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4f219b30\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4f008296\" data-id=\"4f008296\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2fb2503 elementor-widget elementor-widget-text-editor\" data-id=\"2fb2503\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.10.2 - 29-01-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<h1><span id=\"Principle_of_operation\" class=\"mw-headline\" style=\"color: #000000;\">Principle of operation<\/span><\/h1><p><span style=\"color: #000000;\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Safety_valve_(disambiguation)\">Safety valve<\/a> is a safety device and in many cases the last line of defense. It is important to ensure that the safety valve is capable to <a href=\"https:\/\/en.wikipedia.org\/wiki\/System\">operate<\/a> at all times and under all circumstances.<\/span><\/p><p><span style=\"color: #000000;\">Safety valve is not a process valve or pressure regulator and should not be misused as such. It should have to operate for one purpose only: overpressure protection.<\/span><\/p><p><span style=\"color: #000000;\"><b>Safety valve<\/b>\u00a0is a\u00a0valve\u00a0that acts as a\u00a0fail-safe<a href=\"https:\/\/en.wikipedia.org\/wiki\/Safety_valve_(disambiguation)\">.<\/a> An example of safety valve is a pressure\u00a0relief valve\u00a0(<a href=\"https:\/\/en.wikipedia.org\/wiki\/Relief_valve\">PRV<\/a>)<a href=\"https:\/\/en.wikipedia.org\/wiki\/Relief_valve\">,<\/a> which automatically releases a substance from a\u00a0boiler,\u00a0pressure vessel, or other\u00a0system, when the pressure or temperature exceeds preset limits.\u00a0Pilot<a href=\"https:\/\/en.wikipedia.org\/wiki\/Pilot-operated_relief_valve\">&#8211;<\/a>operated relief valves\u00a0are a specialized type of pressure safety valve. A leak tight, lower cost, single emergency use option would be a\u00a0rupture disk.<\/span><\/p><p><span style=\"color: #000000;\">Safety valves were first developed for use on steam boilers during the\u00a0Industrial Revolution<a href=\"https:\/\/en.wikipedia.org\/wiki\/Industrial_Revolution\">.<\/a> Early boilers operating without them were prone to\u00a0explosion\u00a0unless carefully operated.<\/span><\/p><p><span style=\"color: #000000;\">Vacuum safety valves (or combined pressure\/vacuum safety valves) are used to prevent a tank from collapsing while it is being emptied, or when cold rinse water is used after hot CIP (clean-in-place) or SIP (sterilization-in-place) procedures. When sizing a vacuum safety valve, the calculation method is not defined in any norm, particularly in the hot CIP \/ cold water scenario, but some manufacturers \u00a0have developed sizing simulations<a href=\"https:\/\/en.wikipedia.org\/wiki\/American_Society_of_Mechanical_Engineers\">.<\/a><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3ba9a94 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ba9a94\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-297d24c\" data-id=\"297d24c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7c24874 elementor-widget elementor-widget-text-editor\" data-id=\"7c24874\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d5b05a elementor-widget elementor-widget-image\" data-id=\"5d5b05a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.10.2 - 29-01-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"http:\/\/kanur.id\/staging\/butterfly-valve\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"729\" height=\"956\" src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-drawing.png\" class=\"attachment-medium_large size-medium_large wp-image-789\" alt=\"Safety Valve Drawing\" srcset=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-drawing.png 729w, https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-drawing-229x300.png 229w\" sizes=\"auto, (max-width: 729px) 100vw, 729px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-0caffe7\" data-id=\"0caffe7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-11b4303 elementor-widget elementor-widget-text-editor\" data-id=\"11b4303\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: #000000;\">There is a number of reasons why the pressure in a vessel or system can exceed a predetermined limit.<\/span><br \/><span style=\"color: #000000;\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/American_Society_of_Mechanical_Engineers\">API<\/a> <a href=\"https:\/\/en.wikipedia.org\/wiki\/API\">Standard<\/a> 521\/ISO 23251 Sect. 4 provides a detailed guideline about causes of overpressure.<\/span><br \/><span style=\"color: #000000;\">The most common are:<\/span><br \/><span style=\"color: #000000;\">\u2022 Blocked discharge<\/span><br \/><span style=\"color: #000000;\">\u2022 Exposure to external fire, often referred to as \u201cFire Case\u201d<\/span><br \/><span style=\"color: #000000;\">\u2022 Thermal expansion<\/span><br \/><span style=\"color: #000000;\">\u2022 Chemical reaction<\/span><br \/><span style=\"color: #000000;\">\u2022 Heat exchanger tube rupture<\/span><br \/><span style=\"color: #000000;\">\u2022 Cooling system failure<\/span><br \/><span style=\"color: #000000;\">Each of the above listed events may occur individually and separately from the other. They may also take place simultaneously. Each cause of overpressure also will create a different mass or volume flow to be discharged, e.g. small mass flow for thermal expansion and large mass flow in case of a chemical reaction. It is the user\u2019s responsibility to<\/span><br \/><span style=\"color: #000000;\">determine a worst case scenario for the sizing and selection of a suitable pressure relief device.<\/span><\/p><p><span style=\"color: #000000;\">There are two main types of safety valves. Spring loaded safety valves and pilot operated safety valves.<\/span><\/p><p><span style=\"color: #000000;\">The spring force Fs is transmitted via the spindle to the plate closing against the nozzle, which together with the plate closes the process and ensures sealing. This condition is maintained as long as the spring force is greater than the force Fp generated by the pressure at the valve inlet.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dcdf2b0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dcdf2b0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-54697fe\" data-id=\"54697fe\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fc622d6 elementor-widget elementor-widget-text-editor\" data-id=\"fc622d6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\"><h2 style=\"text-align: center;\"><span style=\"color: #000000;\">Valve Position<\/span><\/h2><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-575da32 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"575da32\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-19fce16\" data-id=\"19fce16\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c105b36 elementor-widget elementor-widget-text-editor\" data-id=\"c105b36\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e6c324 elementor-widget elementor-widget-image\" data-id=\"1e6c324\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/books.google.co.id\/books?id=RhgYLnyTnOwC&#038;pg=6&#038;redir_esc=y#v=onepage&#038;q&#038;f=false\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1435\" src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-calculation-768x1435.png\" class=\"attachment-medium_large size-medium_large wp-image-788\" alt=\"safety valve calculation\" srcset=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-calculation-768x1435.png 768w, https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-calculation-161x300.png 161w, https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-calculation-548x1024.png 548w, https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-calculation-822x1536.png 822w, https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-calculation.png 971w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2d2d887\" data-id=\"2d2d887\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c02007 elementor-widget elementor-widget-text-editor\" data-id=\"2c02007\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u00a0<\/p><p>\u00a0<\/p><p>\u00a0<\/p><p><span style=\"color: #000000;\">Valve Closed<\/span><br \/><span style=\"color: #000000;\">In a direct spring loaded safety valve the closing force or spring force is applied by a helical spring<\/span><br \/><span style=\"color: #000000;\">which is compressed by an adjusting screw. The spring force is transferred via the spindle onto the<\/span><br \/><span style=\"color: #000000;\">disc. The disc seals against the nozzle as long as the spring force is larger than the force created by the pressure at the inlet of the valve. The figure shows the enlarged nozzle and disc area of a safety valve with the forces acting on the disc.<\/span><\/p><p>\u00a0<\/p><p>\u00a0<\/p><p>\u00a0<\/p><p><span style=\"color: #000000;\">Valve opening<\/span><br \/><span style=\"color: #000000;\">In an upset situation a safety valve will open at a predetermined set pressure. The spring force Fs is acting in closing direction and Fp, the force created by the pressure at the inlet of the safety valve, is acting in opening direction. At set pressure the forces Fs and Fp are balanced. There is no resulting force to keep the disc down on the seat. The safety valve will visibly or audibly start to leak (initial audible discharge).<\/span><\/p><p>\u00a0<\/p><p>\u00a0<\/p><p>\u00a0<\/p><p><span style=\"color: #000000;\">The pressure below the valve must increase above the set pressure before the safety valve reaches a noticeable lift. As a result of the restriction of flow between the disc and the adjusting ring, pressure builds up in the huddling chamber. The pressure now acts on an enlarged disc area. This increases the force Fp so that the additional spring force required to further compress the spring is overcome.<\/span><br \/><span style=\"color: #000000;\">The valve will open rapidly with a &#8220;pop&#8221;, in most cases to its full lift.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ebc5cee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ebc5cee\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8b2962c\" data-id=\"8b2962c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b32e2be elementor-widget elementor-widget-html\" data-id=\"b32e2be\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<!DOCTYPE html>\r\n<html>\r\n <head>\r\n  <title>Default Width dan Height di Tag Marquee<\/title>\r\n <\/head>\r\n <body>\r\n <font color=\"white\"> <marquee>\r\nRelief valve\r\nsafety valve\r\nsafety relief valve\r\nPilot-operated safety relief valve\r\nLow pressure safety valve\r\nVacuum pressure safety valve\r\nLow and vacuum pressure safety valve\r\nDirect spring valves\r\nSpring-loaded Pressure-relief Valves\r\nPilot-operated Pressure-relief Valves\r\nDead-Weight Pressure-relief Valves\r\nPSL-MD Series\r\nPSL-MP Series\r\nSL \/ SJ Series\r\nRE Series\r\nSP Series\r\nSL \/ SJ Series\r\nRE-STM Series\r\nRVK, RHK Series\r\nPCV Series\r\nRPE Series\r\nRE Series\r\nRE (large bore type)\r\nRECLP Series\r\nRPS Series\r\nRTE Series\r\nEVDW Series\r\nPSL-MD Series\r\nYoshitake Safety Relief Valve AL 140 T\r\nAri Armaturen Safety Valve FIG 901\r\nZetkama Safety Valve zARMAK Fig 570\r\nZETKAMA Safety Valve Fig. 570\r\nZETKAMA Safety Valve Fig. 630\r\nZETKAMA Safety Valve Fig. 775\r\nZETKAMA Safety Valve Fig. 782\r\nZETKAMA Safety Valve Fig. 240\r\nZETKAMA Safety Valve Fig. 781\r\nSafety Valve VYC 495\r\nSafety Valve VYC 496\r\nSafety Valve VYC 694, 695, 895, 995\r\nKunkle Series 6000 Safety Valve\r\nDuyar Safety Valve  T-1530 Ductile Iron\r\nDuyar Safety Valve  T-1510 Cast Iron\r\nDuyar Safety Valve  T-1515 Ductile Iron \r\nSafety Valve Ari Armaturen ARI-REYCO R SERIES\r\nSafety Valve Ari Armaturen ARI-REYCO RL SERIES\r\nSafety Valve Ari Armaturen ARI-SAFE\r\nSafety Valve Ari Armaturen ARI-SAFE-P\r\nSafety Valve Ari Armaturen ARI-SAFE-SN ANSI\r\nSafety Valve Ari Armaturen ARI-SAFE-TC\r\nSafety Valve Ari Armaturen ARI-SAFE-TCP\r\nSafety Valve Ari Armaturen ARI-SAFE-TCS\r\nSafety Valve Yoshitake AL 250-250R\r\nSafety Valve Yoshitake AL 260-260R\r\nSafety Valve Yoshitake AL-10\r\nSafety Valve Yoshitake AL-17\r\nSafety Valve Yoshitake AL-24\r\nSafety Valve Yoshitake AL-27\r\nSafety Valve Yoshitake AL-140\r\nSafety Valve Yoshitake AL-140H\r\nSafety Valve Yoshitake AL-150\r\nSafety Valve Yoshitake AL-150L\r\nSafety Valve Yoshitake AL-150TML\r\nSafety Valve Yoshitake AL-150TR\r\nSafety Valve Yoshitake? AL-300,301\r\nType 1700 Maxiflow\r\nType 2700 Safety Valve\r\nType 3500 Electromatic\r\nType 1811 Safety Valve\r\nType 1511 Safety Valve\r\nConsolidated Type 1900\/P Safety Valve\r\nType 1541\/1543 Safety Valve\r\nType 3700 Main steam Safety valve\r\nType 31700 Pressurizer Valve\r\nBecker Valve Regulator Pilot\r\nSI2 Series - Safety Valves\r\nUF and UFR Series - Relief Valves\r\nCPV - Constant Pressure Valves\r\nTYPE 441, 442 DIN\r\nTYPE 444 DIN\r\nTYPE 441, 442 FULL NOZZLE ANSI\r\nType 441, 442 ANSI\r\nType 444 ANSI\r\nType 455, 456\r\nType 441, 442 XXL\r\nType 441, 442 Full nozzle DIN\r\nType 457, 458\r\nMSV Reheater safety valve\r\nSV Type MSSV Globe Valve\r\nMain steam safety valve\r\nSE Type Globe Valve Emergency cooling\r\nSV Type Pressuriser Safety Globe Valve (PORV)\r\nPressuriser safety\r\nNB Type Globe Valve\r\nMain feed-water and bypass feed-water control\r\nSTV Type Spring-loaded Valve\r\nMain steam isolation\r\nSTV Type Spring-loaded Valve\r\nMotor-operated pilot valve\r\nimi cci Si 6303 \u2013 Si 6304 \u2013 Si 6305\r\nimi cci Si C132\r\nimi cci Si 032\r\nSpirax Sarco SV73\r\nSpirax Sarco SV74\r\nSpirax Sarco SV5601\r\nSpirax Sarco SV5708\r\nPVS 782\r\nPVS 803\r\nVS\/AM 58\r\nVS\/AM 65\r\n\r\n\r\nPietro Fiorentini\r\nVarimex Valve\r\nprotego\r\nKunkle\r\nConsolidated\r\nCrosby\r\nFarris\r\nAnderson Greenwood\r\nApollo (formerly Conbraco)\r\nAquatrol\r\nKingston\r\nLonergan, Watson McDaniel and Keckley\r\ntescom\r\nsafag\r\nFisher\r\nparcol\r\nMasoneilan\r\nBecker \r\nAPV SPX Safety Valve\r\nSpirax Sarco\r\nFUKUI SEISAKUSHO\r\nZoeLL\r\nAri Armaturen\r\nDuyar Safety Valve\r\nKunkle Safety Valve\r\nSafety Valve VYC\r\nZetkama Safety Valve\r\nArmaturen\r\nEnd Armaturen\r\nCameron\r\nSinger\r\nEmerson\r\nFlowserve\r\nZetkama\r\nAyvaz\r\nAri Faba\r\nAri Armaturen\r\nEbro\r\nIMI\r\nCCI\r\nCCI IMI\r\nSamshin Valve \r\nShamsin Valve\r\nSamshin Valve.co.kr\r\nDongsan Valve\r\n\r\n\r\n<\/marquee>\r\n <\/body>\r\n<\/html>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<header class=\"elementor-section elementor-top-section elementor-element elementor-element-ccac5f8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ccac5f8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-bf6f7d9\" data-id=\"bf6f7d9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4b0c287 elementor-widget__width-auto elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-image-carousel\" data-id=\"4b0c287\" data-element_type=\"widget\" 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dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper swiper-image-stretch\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Anderson-Greenwood-300x83.jpg\" alt=\"Anderson Greenwood\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/ApolloValves_Retro-300x126.png\" alt=\"ApolloValves\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Aquatrol-300x121.png\" alt=\"Aquatrol\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Consolidated-300x101.png\" alt=\"Consolidated\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Crosby-300x133.png\" alt=\"Crosby\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Farris-300x167.png\" alt=\"Farris\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Keckley-300x117.png\" alt=\"Keckley\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Kingston-300x99.png\" alt=\"Kingston\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Kunkle-300x95.png\" alt=\"Kunkle\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/Lonergan-300x101.png\" alt=\"Lonergan\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/WatsonMcDaniel-300x145.png\" alt=\"WatsonMcDaniel\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/ZoeLL-1-300x91.png\" alt=\"ZoeLL\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/08\/zwickkleur-300x171.png\" alt=\"zwick\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/08\/singer-300x58.png\" alt=\"Singer Valve\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/08\/tyco.png\" alt=\"Tyco\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/08\/horakleur-300x171.png\" alt=\"Horakleur\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/08\/nil-cor_logo-300x122.jpg\" alt=\"Nil-cor\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/header>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Principle of operation Safety valve is a safety device and in many cases the last line of defense. It is important to ensure that the safety valve is capable to operate at all times and under all circumstances. Safety valve is not a process valve or pressure regulator and should not be misused as such. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[142],"tags":[80],"class_list":["post-781","post","type-post","status-publish","format-standard","hentry","category-valves","tag-safety-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Safety Valve - PT. Kakas Nurain Falah<\/title>\n<meta name=\"description\" content=\"ZoeLL Relief valve safety valve safety relief valve Pilot-operated safety relief valve Low pressure safety valve Vacuum pressure safety Low and vacuum pressure safety Direct spring Spring-loaded Pressure-relief Valves Pilot-operated Pressure-relief Dead-Weight Pressure-relief PSL-MD Series PSL-MP SL \/ SJ RE SP SL \/ SJ RE-STM RVK, RHK PCV RPE RE (large bore type) RECLP RPS RTE EVDW PSL-MD Yoshitake Safety Relief AL 140 T Ari Armaturen Safety FIG 901 Zetkama ZARMAK Fig 570 ZETKAMA Safety Fig. 570 ZETKAMA Fig. 630 ZETKAMA Fig. 775 ZETKAMA Fig. 782 ZETKAMA Fig. 240 ZETKAMA Fig. 781 VYC 495 VYC 496 VYC 694, 695, 895, 995 Kunkle Series 6000 Duyar T-1530 Ductile Iron Duyar T-1510 Cast Iron Duyar T-1515 Ductile Iron Ari Armaturen ARI-REYCO R ARI-REYCO RL ARI-SAFE ARI-SAFE-P ARI-SAFE-SN ANSI ARI-SAFE-TC ARI-SAFE-TCP ARI-SAFE-TCS Yoshitake AL 250-250R Yoshitake AL 260-260R Yoshitake AL-10 Yoshitake AL-17 Yoshitake AL-24 Yoshitake AL-27 Yoshitake AL-140 Yoshitake AL-140H Yoshitake AL-150 Yoshitake AL-150L Yoshitake AL-150TML Yoshitake AL-150TR Yoshitake AL-300,301 1700 Maxiflow 2700 Type 3500 Electromatic Type 1811 1511 Consolidated 1900\/P 1541\/1543 3700 Main steam Safety valve 31700 Pressurizer Valve Becker Regulator Pilot SI2 UF and UFR Relief Valves CPV - Constant Pressure Valves TYPE 441, 442 DINTYPE 444 DINTYPE 441, 442 FULL NOZZLE ANSI Type 441, 442 ANSI Type 444 ANSI Type 455, 456Type 441, 442 XXL Type 441, 442 Full nozzle DIN Type 457, 458MSV Reheater SV Type MSSV Globe Valve Main steam SE Type Globe Valve Emergency cooling SV Type Pressuriser Safety Globe Valve (PORV) Pressuriser NB Type Globe Valve Main feed-water and bypass feed-water control STV Type Spring-loaded Valve Main steam isolation STV Type Spring-loaded Valve Motor-operated pilot valve imi cci Si 6303 \u2013 Si 6304 \u2013 Si 6305 imi cci Si C132 imi cci Si 032 Spirax Sarco SV73 Spirax Sarco SV74 Spirax Sarco SV5601 Spirax Sarco SV5708 PVS 782PVS 803VS\/AM 58VS\/AM 65Pietro Fiorentini Varimex Valve protego Kunkle Consolidated Crosby Farris Anderson Greenwood Apollo (formerly Conbraco) Aquatrol Kingston Lonergan, Watson McDaniel and Keckley tescom safag Fisher parcol Masoneilan Becker APV SPX Safety Valve Spirax Sarco FUKUI SEISAKUSHO ZoeLL Ari Armaturen Duyar Safety Valve Kunkle Safety Valve Safety Valve VYC Zetkama Safety Valve Armaturen End Armaturen Cameron Singer Emerson Flowserve Zetkama Ayvaz Ari Faba Ari Armaturen Ebro IMICCICCI IMI Samshin Valve Shamsin Valve Samshin Valve .co.kr Dongsan Valve\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kanur.id\/staging\/safety-valve\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Safety Valve - PT. Kakas Nurain Falah\" \/>\n<meta property=\"og:description\" content=\"ZoeLL Relief valve safety valve safety relief valve Pilot-operated safety relief valve Low pressure safety valve Vacuum pressure safety Low and vacuum pressure safety Direct spring Spring-loaded Pressure-relief Valves Pilot-operated Pressure-relief Dead-Weight Pressure-relief PSL-MD Series PSL-MP SL \/ SJ RE SP SL \/ SJ RE-STM RVK, RHK PCV RPE RE (large bore type) RECLP RPS RTE EVDW PSL-MD Yoshitake Safety Relief AL 140 T Ari Armaturen Safety FIG 901 Zetkama ZARMAK Fig 570 ZETKAMA Safety Fig. 570 ZETKAMA Fig. 630 ZETKAMA Fig. 775 ZETKAMA Fig. 782 ZETKAMA Fig. 240 ZETKAMA Fig. 781 VYC 495 VYC 496 VYC 694, 695, 895, 995 Kunkle Series 6000 Duyar T-1530 Ductile Iron Duyar T-1510 Cast Iron Duyar T-1515 Ductile Iron Ari Armaturen ARI-REYCO R ARI-REYCO RL ARI-SAFE ARI-SAFE-P ARI-SAFE-SN ANSI ARI-SAFE-TC ARI-SAFE-TCP ARI-SAFE-TCS Yoshitake AL 250-250R Yoshitake AL 260-260R Yoshitake AL-10 Yoshitake AL-17 Yoshitake AL-24 Yoshitake AL-27 Yoshitake AL-140 Yoshitake AL-140H Yoshitake AL-150 Yoshitake AL-150L Yoshitake AL-150TML Yoshitake AL-150TR Yoshitake AL-300,301 1700 Maxiflow 2700 Type 3500 Electromatic Type 1811 1511 Consolidated 1900\/P 1541\/1543 3700 Main steam Safety valve 31700 Pressurizer Valve Becker Regulator Pilot SI2 UF and UFR Relief Valves CPV - Constant Pressure Valves TYPE 441, 442 DINTYPE 444 DINTYPE 441, 442 FULL NOZZLE ANSI Type 441, 442 ANSI Type 444 ANSI Type 455, 456Type 441, 442 XXL Type 441, 442 Full nozzle DIN Type 457, 458MSV Reheater SV Type MSSV Globe Valve Main steam SE Type Globe Valve Emergency cooling SV Type Pressuriser Safety Globe Valve (PORV) Pressuriser NB Type Globe Valve Main feed-water and bypass feed-water control STV Type Spring-loaded Valve Main steam isolation STV Type Spring-loaded Valve Motor-operated pilot valve imi cci Si 6303 \u2013 Si 6304 \u2013 Si 6305 imi cci Si C132 imi cci Si 032 Spirax Sarco SV73 Spirax Sarco SV74 Spirax Sarco SV5601 Spirax Sarco SV5708 PVS 782PVS 803VS\/AM 58VS\/AM 65Pietro Fiorentini Varimex Valve protego Kunkle Consolidated Crosby Farris Anderson Greenwood Apollo (formerly Conbraco) Aquatrol Kingston Lonergan, Watson McDaniel and Keckley tescom safag Fisher parcol Masoneilan Becker APV SPX Safety Valve Spirax Sarco FUKUI SEISAKUSHO ZoeLL Ari Armaturen Duyar Safety Valve Kunkle Safety Valve Safety Valve VYC Zetkama Safety Valve Armaturen End Armaturen Cameron Singer Emerson Flowserve Zetkama Ayvaz Ari Faba Ari Armaturen Ebro IMICCICCI IMI Samshin Valve Shamsin Valve Samshin Valve .co.kr Dongsan Valve\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kanur.id\/staging\/safety-valve\/\" \/>\n<meta property=\"og:site_name\" content=\"PT. Kakas Nurain Falah\" \/>\n<meta property=\"article:published_time\" content=\"2002-10-27T16:25:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-15T03:18:08+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/kanur.id\/staging\/wp-content\/uploads\/2022\/10\/safety-valve-drawing.png\" \/>\n<meta name=\"author\" content=\"web\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"web\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/\"},\"author\":{\"name\":\"web\",\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/#\\\/schema\\\/person\\\/f5ea33e8fdc519206b3c07d52959a69e\"},\"headline\":\"Safety Valve\",\"datePublished\":\"2002-10-27T16:25:33+00:00\",\"dateModified\":\"2023-06-15T03:18:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/\"},\"wordCount\":1166,\"publisher\":{\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/kanur.id\\\/staging\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/safety-valve-drawing.png\",\"keywords\":[\"Safety Valve\"],\"articleSection\":[\"Valves\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/\",\"url\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/\",\"name\":\"Safety Valve - PT. Kakas Nurain Falah\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/kanur.id\\\/staging\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/safety-valve-drawing.png\",\"datePublished\":\"2002-10-27T16:25:33+00:00\",\"dateModified\":\"2023-06-15T03:18:08+00:00\",\"description\":\"ZoeLL Relief valve safety valve safety relief valve Pilot-operated safety relief valve Low pressure safety valve Vacuum pressure safety Low and vacuum pressure safety Direct spring Spring-loaded Pressure-relief Valves Pilot-operated Pressure-relief Dead-Weight Pressure-relief PSL-MD Series PSL-MP SL \\\/ SJ RE SP SL \\\/ SJ RE-STM RVK, RHK PCV RPE RE (large bore type) RECLP RPS RTE EVDW PSL-MD Yoshitake Safety Relief AL 140 T Ari Armaturen Safety FIG 901 Zetkama ZARMAK Fig 570 ZETKAMA Safety Fig. 570 ZETKAMA Fig. 630 ZETKAMA Fig. 775 ZETKAMA Fig. 782 ZETKAMA Fig. 240 ZETKAMA Fig. 781 VYC 495 VYC 496 VYC 694, 695, 895, 995 Kunkle Series 6000 Duyar T-1530 Ductile Iron Duyar T-1510 Cast Iron Duyar T-1515 Ductile Iron Ari Armaturen ARI-REYCO R ARI-REYCO RL ARI-SAFE ARI-SAFE-P ARI-SAFE-SN ANSI ARI-SAFE-TC ARI-SAFE-TCP ARI-SAFE-TCS Yoshitake AL 250-250R Yoshitake AL 260-260R Yoshitake AL-10 Yoshitake AL-17 Yoshitake AL-24 Yoshitake AL-27 Yoshitake AL-140 Yoshitake AL-140H Yoshitake AL-150 Yoshitake AL-150L Yoshitake AL-150TML Yoshitake AL-150TR Yoshitake AL-300,301 1700 Maxiflow 2700 Type 3500 Electromatic Type 1811 1511 Consolidated 1900\\\/P 1541\\\/1543 3700 Main steam Safety valve 31700 Pressurizer Valve Becker Regulator Pilot SI2 UF and UFR Relief Valves CPV - Constant Pressure Valves TYPE 441, 442 DINTYPE 444 DINTYPE 441, 442 FULL NOZZLE ANSI Type 441, 442 ANSI Type 444 ANSI Type 455, 456Type 441, 442 XXL Type 441, 442 Full nozzle DIN Type 457, 458MSV Reheater SV Type MSSV Globe Valve Main steam SE Type Globe Valve Emergency cooling SV Type Pressuriser Safety Globe Valve (PORV) Pressuriser NB Type Globe Valve Main feed-water and bypass feed-water control STV Type Spring-loaded Valve Main steam isolation STV Type Spring-loaded Valve Motor-operated pilot valve imi cci Si 6303 \u2013 Si 6304 \u2013 Si 6305 imi cci Si C132 imi cci Si 032 Spirax Sarco SV73 Spirax Sarco SV74 Spirax Sarco SV5601 Spirax Sarco SV5708 PVS 782PVS 803VS\\\/AM 58VS\\\/AM 65Pietro Fiorentini Varimex Valve protego Kunkle Consolidated Crosby Farris Anderson Greenwood Apollo (formerly Conbraco) Aquatrol Kingston Lonergan, Watson McDaniel and Keckley tescom safag Fisher parcol Masoneilan Becker APV SPX Safety Valve Spirax Sarco FUKUI SEISAKUSHO ZoeLL Ari Armaturen Duyar Safety Valve Kunkle Safety Valve Safety Valve VYC Zetkama Safety Valve Armaturen End Armaturen Cameron Singer Emerson Flowserve Zetkama Ayvaz Ari Faba Ari Armaturen Ebro IMICCICCI IMI Samshin Valve Shamsin Valve Samshin Valve .co.kr Dongsan Valve\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/#primaryimage\",\"url\":\"https:\\\/\\\/kanur.id\\\/staging\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/safety-valve-drawing.png\",\"contentUrl\":\"https:\\\/\\\/kanur.id\\\/staging\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/safety-valve-drawing.png\",\"width\":729,\"height\":956,\"caption\":\"Safety Valve Drawing\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/safety-valve\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/kanur.id\\\/staging\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Safety Valve\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/kanur.id\\\/staging\\\/#website\",\"url\":\"https:\\\/\\\/kanur.id\\\/staging\\\/\",\"name\":\"PT. 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