{"id":24828,"date":"2026-03-27T11:04:11","date_gmt":"2026-03-27T11:04:11","guid":{"rendered":"https:\/\/hartmann-valves.com\/chemical-reference\/"},"modified":"2026-08-28T06:28:44","modified_gmt":"2026-08-28T06:28:44","slug":"chemical-reference","status":"publish","type":"page","link":"https:\/\/hartmann-valves.com\/en\/chemical-reference\/","title":{"rendered":"Chemistry Reference"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"24828\" class=\"elementor elementor-24828 elementor-2958\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-291117d1 e-flex e-con-boxed e-con e-parent\" data-id=\"291117d1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-170c7870 e-flex e-con-boxed e-con e-child\" data-id=\"170c7870\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1afcb8e0 e-con-full e-flex e-con e-child\" data-id=\"1afcb8e0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-635750 elementor-widget elementor-widget-heading\" data-id=\"635750\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Chemistry Reference<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49853681 elementor-widget elementor-widget-heading\" data-id=\"49853681\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Innovative retrofit in ammonia plant <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25050c67 elementor-widget elementor-widget-text-editor\" data-id=\"25050c67\" data-element_type=\"widget\" data-e-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<p>At Yara Germany&#8217;s unique ammonia plant in Brunsb\u00fcttel, the focus is on efficiency and process reliability. Specially designed ball valves from Hartmann Valves ensure reliable operation even under extreme conditions. <\/p>\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-1b5ca617 elementor-mobile-align-justify elementor-invisible elementor-widget elementor-widget-button\" data-id=\"1b5ca617\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInDown&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/08\/Hartmann_Reference_Chemistry-Yara.pdf\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">View reference sheet<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2b8d616f e-flex e-con-boxed e-con e-child\" data-id=\"2b8d616f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-280b4222 elementor-arrows-position-outside elementor-widget__width-initial elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"280b4222\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;slides_to_show&quot;:&quot;1&quot;,&quot;speed&quot;:700,&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;effect&quot;:&quot;slide&quot;}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Bild Karussell\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 of 4\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/elementor\/thumbs\/Luftbild_Yara-scaled-rkxdqcrzohyj61ke61x8fwwmvsfmihfwvg0e8n2nbc.jpg\" alt=\"FF-B.KUHN\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 of 4\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/elementor\/thumbs\/Bild-2b_Yara_Anlage-scaled-rkxdpgth84qs7autco3x34yyoot58rx1f1tvx8e16w.jpg\" alt=\"Image 2b_Yara_Plant\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 of 4\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/elementor\/thumbs\/Yara_Juergen_Rommel_u-Helmut-Berger_Hartmann-scaled-rkxdt3h1m3pn13l15ql27q0198x5ypbq90idmp0b60.jpg\" alt=\"Yara_J\u00fcrgen_Rommel_and Helmut Berger_Hartmann\" \/><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 of 4\"><figure class=\"swiper-slide-inner\"><img decoding=\"async\" class=\"swiper-slide-image\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/elementor\/thumbs\/Yara_Hartmann_Armatur_in_Anlage_02-scaled-rkxdr09yfcup8am9cu2wo8z5qf7sux17aobj8k3szs.jpg\" alt=\"Yara_Hartmann_Valve_in_Plant_02\" \/><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2a7bc2aa e-flex e-con-boxed e-con e-parent\" data-id=\"2a7bc2aa\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4b892a6f e-flex e-con-boxed e-con e-child\" data-id=\"4b892a6f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-760134aa elementor-widget elementor-widget-heading\" data-id=\"760134aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Technical data for the YARA ammonia plant<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-474e1141 elementor-widget elementor-widget-text-editor\" data-id=\"474e1141\" data-element_type=\"widget\" data-e-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<p>The gas-tight, metal-to-metal sealing ball valves withstand high temperatures and pressures. Special versions offer additional safety and economic advantages. <\/p><p>Our low-maintenance and durable valves ensure maximum uptime in highly stressed systems.<\/p><p>Depending on the medium, the highest requirements for sealing technology, the materials used, and the valve design are necessary: requirements that Hartmann products consistently meet.<\/p>\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c2932df e-flex e-con-boxed e-con e-child\" data-id=\"c2932df\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ed4d58b elementor-position-inline-start elementor-mobile-position-inline-start elementor-view-default elementor-widget elementor-widget-icon-box\" data-id=\"2ed4d58b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-tools\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M501.1 395.7L384 278.6c-23.1-23.1-57.6-27.6-85.4-13.9L192 158.1V96L64 0 0 64l96 128h62.1l106.6 106.6c-13.6 27.8-9.2 62.3 13.9 85.4l117.1 117.1c14.6 14.6 38.2 14.6 52.7 0l52.7-52.7c14.5-14.6 14.5-38.2 0-52.7zM331.7 225c28.3 0 54.9 11 74.9 31l19.4 19.4c15.8-6.9 30.8-16.5 43.8-29.5 37.1-37.1 49.7-89.3 37.9-136.7-2.2-9-13.5-12.1-20.1-5.5l-74.4 74.4-67.9-11.3L334 98.9l74.4-74.4c6.6-6.6 3.4-17.9-5.7-20.2-47.4-11.7-99.6.9-136.6 37.9-28.5 28.5-41.9 66.1-41.2 103.6l82.1 82.1c8.1-1.9 16.5-2.9 24.7-2.9zm-103.9 82l-56.7-56.7L18.7 402.8c-25 25-25 65.5 0 90.5s65.5 25 90.5 0l123.6-123.6c-7.6-19.9-9.9-41.6-5-62.7zM64 472c-13.2 0-24-10.8-24-24 0-13.3 10.7-24 24-24s24 10.7 24 24c0 13.2-10.7 24-24 24z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tValves  \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t5\" shut-off ball valves (DN 125 PN 160) \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ff555e elementor-position-inline-start elementor-mobile-position-inline-start elementor-view-default elementor-widget elementor-widget-icon-box\" data-id=\"9ff555e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-upload\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M296 384h-80c-13.3 0-24-10.7-24-24V192h-87.7c-17.8 0-26.7-21.5-14.1-34.1L242.3 5.7c7.5-7.5 19.8-7.5 27.3 0l152.2 152.2c12.6 12.6 3.7 34.1-14.1 34.1H320v168c0 13.3-10.7 24-24 24zm216-8v112c0 13.3-10.7 24-24 24H24c-13.3 0-24-10.7-24-24V376c0-13.3 10.7-24 24-24h136v8c0 30.9 25.1 56 56 56h80c30.9 0 56-25.1 56-56v-8h136c13.3 0 24 10.7 24 24zm-124 88c0-11-9-20-20-20s-20 9-20 20 9 20 20 20 20-9 20-20zm64 0c0-11-9-20-20-20s-20 9-20 20 9 20 20 20 20-9 20-20z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tNominal pressure \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t160 bar \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19b5fd35 elementor-position-inline-start elementor-mobile-position-inline-start elementor-view-default elementor-widget elementor-widget-icon-box\" data-id=\"19b5fd35\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-temperature-high\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 0c-52.9 0-96 43.1-96 96s43.1 96 96 96 96-43.1 96-96-43.1-96-96-96zm0 128c-17.7 0-32-14.3-32-32s14.3-32 32-32 32 14.3 32 32-14.3 32-32 32zm-160-16C256 50.1 205.9 0 144 0S32 50.1 32 112v166.5C12.3 303.2 0 334 0 368c0 79.5 64.5 144 144 144s144-64.5 144-144c0-34-12.3-64.9-32-89.5V112zM144 448c-44.1 0-80-35.9-80-80 0-25.5 12.2-48.9 32-63.8V112c0-26.5 21.5-48 48-48s48 21.5 48 48v192.2c19.8 14.8 32 38.3 32 63.8 0 44.1-35.9 80-80 80zm16-125.1V112c0-8.8-7.2-16-16-16s-16 7.2-16 16v210.9c-18.6 6.6-32 24.2-32 45.1 0 26.5 21.5 48 48 48s48-21.5 48-48c0-20.9-13.4-38.5-32-45.1z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tMax. temperature  \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t+400 \u00b0C \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div 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class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tMedia \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tpure oxygen, steam \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1b47c701 e-flex e-con-boxed e-con e-parent\" data-id=\"1b47c701\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8d72adf e-con-full e-flex e-con e-child\" data-id=\"8d72adf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-570892ff elementor-widget elementor-widget-image\" data-id=\"570892ff\" data-element_type=\"widget\" data-e-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<img decoding=\"async\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/elementor\/thumbs\/Chemie_Petrochemie-r2eowiiifc7o6sfnwr3234dt6qn2cvwu9tk28pod6g.jpg\" title=\"Chemistry_Petrochemistry.jpg\" alt=\"Chemistry_Petrochemistry.jpg\" loading=\"lazy\" \/>\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<div class=\"elementor-element elementor-element-239ef4a5 e-con-full e-flex e-con e-child\" data-id=\"239ef4a5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6023660b elementor-widget elementor-widget-text-editor\" data-id=\"6023660b\" data-element_type=\"widget\" data-e-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<p>&#8220;We could not take any risks with this project. With the wrong manufacturer, we would have jeopardized the entire retrofit technically and in terms of time.&#8221; <\/p>\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-536ef675 elementor-widget elementor-widget-testimonial\" data-id=\"536ef675\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"testimonial.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-testimonial-wrapper\">\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-testimonial-meta elementor-has-image elementor-testimonial-image-position-aside\">\n\t\t\t\t<div class=\"elementor-testimonial-meta-inner\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-image\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"200\" height=\"197\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/01\/portrait-kunde-juergen-rommel.jpg\" class=\"attachment-large size-large wp-image-1659\" alt=\"\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-details\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-name\">J\u00fcrgen Rommel<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-job\">YARA-Brunsb\u00fcttel GmbH <\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5c3ffebe e-flex e-con-boxed e-con e-parent\" data-id=\"5c3ffebe\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-35d524f5 e-con-full e-flex e-con e-child\" data-id=\"35d524f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-45299fad e-con-full e-flex e-con e-child\" data-id=\"45299fad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6b2202cc e-con-full e-flex e-con e-child\" data-id=\"6b2202cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10406527 elementor-widget elementor-widget-image\" data-id=\"10406527\" data-element_type=\"widget\" data-e-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<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/ThomasDanzmann-1024x683.png\" class=\"attachment-large size-large wp-image-24834\" alt=\"\" srcset=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/ThomasDanzmann-1024x683.png 1024w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/ThomasDanzmann-300x200.png 300w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/ThomasDanzmann-768x512.png 768w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/ThomasDanzmann-1536x1024.png 1536w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/ThomasDanzmann-2048x1366.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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 class=\"elementor-element elementor-element-4c810a8f elementor-widget elementor-widget-image\" data-id=\"4c810a8f\" data-element_type=\"widget\" data-e-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<img decoding=\"async\" width=\"2500\" height=\"1667\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/AlexanderWerner_2.png\" class=\"attachment-full size-full wp-image-24835\" alt=\"\" srcset=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/AlexanderWerner_2.png 2500w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/AlexanderWerner_2-300x200.png 300w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/AlexanderWerner_2-1024x683.png 1024w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/AlexanderWerner_2-768x512.png 768w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/AlexanderWerner_2-1536x1024.png 1536w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/AlexanderWerner_2-2048x1366.png 2048w\" sizes=\"(max-width: 2500px) 100vw, 2500px\" \/>\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<div class=\"elementor-element elementor-element-41e6e2bb e-con-full e-flex e-con e-child\" data-id=\"41e6e2bb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3a13846 elementor-widget elementor-widget-image\" data-id=\"3a13846\" data-element_type=\"widget\" data-e-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<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"731\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/PeterWegjan_1_Zuschnitt-1024x731.png\" class=\"attachment-large size-large wp-image-24836\" alt=\"\" srcset=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/PeterWegjan_1_Zuschnitt-1024x731.png 1024w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/PeterWegjan_1_Zuschnitt-300x214.png 300w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/PeterWegjan_1_Zuschnitt-768x548.png 768w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/PeterWegjan_1_Zuschnitt-1536x1097.png 1536w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/PeterWegjan_1_Zuschnitt-2048x1462.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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 class=\"elementor-element elementor-element-2bd0e124 elementor-widget elementor-widget-image\" data-id=\"2bd0e124\" data-element_type=\"widget\" data-e-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<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/EikeDeneke_2-1024x682.png\" class=\"attachment-large size-large wp-image-24837\" alt=\"\" srcset=\"https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/EikeDeneke_2-1024x682.png 1024w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/EikeDeneke_2-300x200.png 300w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/EikeDeneke_2-768x512.png 768w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/EikeDeneke_2-1536x1024.png 1536w, https:\/\/hartmann-valves.com\/wp-content\/uploads\/2026\/03\/EikeDeneke_2-2048x1365.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2a2bc63f e-con-full e-flex e-con e-child\" data-id=\"2a2bc63f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-53cb31eb elementor-widget elementor-widget-heading\" data-id=\"53cb31eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Contact us<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70bfd8fa elementor-widget elementor-widget-text-editor\" data-id=\"70bfd8fa\" data-element_type=\"widget\" data-e-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<p>We support you throughout all project phases: from planning and design through manufacturing to installation and regular inspection.<\/p>\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-3ef523d8 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"3ef523d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New form\" aria-label=\"New form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"24828\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"3ef523d8\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Chemistry Reference - Hartmann Valves GmbH\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"24828\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_51fb006 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_51fb006\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tCompany\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_51fb006]\" id=\"form-field-field_51fb006\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_7ab3fb7 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_7ab3fb7\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tPhone\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_7ab3fb7]\" id=\"form-field-field_7ab3fb7\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Phone\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Only numbers and phone characters (#, -, *, etc) are accepted.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column 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class=\"elementor-button-text\">Send<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\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\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Chemistry Reference Innovative retrofit in ammonia plant At Yara Germany&#8217;s unique ammonia plant in Brunsb\u00fcttel, the focus is on efficiency and process reliability. Specially designed ball valves from Hartmann Valves ensure reliable operation even under extreme conditions. View reference sheet Technical data for the YARA ammonia plant The gas-tight, metal-to-metal sealing ball valves withstand high [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":37,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-24828","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chemistry Reference - Hartmann Valves GmbH<\/title>\n<meta name=\"description\" content=\"High-performance ball valves for chemical and process plants \u2013 robust, gas-tight, and ideal for critical applications in the chemical industry.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hartmann-valves.com\/en\/chemical-reference\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chemistry Reference - 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