{"id":9440,"date":"2026-07-08T14:15:54","date_gmt":"2026-07-08T13:15:54","guid":{"rendered":"https:\/\/www.ziemann-holvrieka.com\/?page_id=9440"},"modified":"2026-07-10T07:02:08","modified_gmt":"2026-07-10T06:02:08","slug":"pressure-vessels","status":"publish","type":"page","link":"https:\/\/www.ziemann-holvrieka.com\/jp\/pressure-vessels\/","title":{"rendered":"Pressure Vessels"},"content":{"rendered":"<section class=\"wp-block-group has-theme-grey-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\" id=\"h-storage-tanks-are-stationary-vessels-designed-for-the-safe-storage-of-liquids-intermediates-or-media-under-controlled-operating-conditions-they-are-engineered-for-long-term-process-stability-product-protection-and-operational-safety\">Pressure vessels are enclosed containers used to store or process media under elevated pressure or vacuum. They are designed for defined operating conditions and ensure safe operation even under high mechanical and thermal loads.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Typical design parameters:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Operating pressure: from slight overpressure to high-pressure applications<\/li>\n\n\n\n<li>Configurations: cylindrical, vertical or horizontal<\/li>\n\n\n\n<li>Design: pressure-retaining construction with defined safety margins<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/section>\n\n\n\n<div class=\"wp-block-columns gap-none  has-theme-white-background-color has-background is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" class=\"wp-block-cover__image-background wp-image-9438 size-large\" alt=\"\" src=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2-1024x683.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2-1024x683.jpg 1024w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2-300x200.jpg 300w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2-768x512.jpg 768w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2-1536x1024.jpg 1536w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2-18x12.jpg 18w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2-600x400.jpg 600w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2-1200x800.jpg 1200w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/fermenter_2699_2.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#a8aaab\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group right-container flex flex-center\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"h-technical-definition-and-function\" class=\"wp-block-heading has-theme-secondary-text-color has-text-color\">Technical Definition and Function<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-technical-definition-and-function-storage-tanks-are-used-for-the-static-storage-of-media-without-any-intentional-process-related-transformation-taking-place-inside-the-vessel\">Pressure vessels are used for the storage, conveyance, or treatment of media under pressure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">They are used to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Store gases or liquids under pressure<\/li>\n\n\n\n<li>Maintain stable process conditions<\/li>\n\n\n\n<li>Regulate pressure differentials within plant systems<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike storage tanks, pressure vessels are specifically designed for pressurized operating conditions. This results in higher requirements for design, materials, and testing procedures.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns gap-none  has-theme-primary-background-color has-background is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"994\" class=\"wp-block-cover__image-background wp-image-775\" alt=\"\u80cc\u666f\u753b\u50cf\" src=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2023\/08\/background-graphic.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2023\/08\/background-graphic.png 768w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2023\/08\/background-graphic-232x300.png 232w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2023\/08\/background-graphic-464x600.png 464w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-group left-container flex flex-center\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 id=\"h-typical-applications\" class=\"wp-block-heading has-theme-white-color has-text-color\">Typical Applications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pressure vessels are used for:<\/p>\n\n\n\n<ul class=\"wp-block-list has-theme-white-color has-text-color\">\n<li>Gases (e.g. inert or reactive media)<\/li>\n\n\n\n<li>Liquids under pressure<\/li>\n\n\n\n<li>Media used in pressure or vacuum processes<\/li>\n\n\n\n<li>Safety-critical applications with defined load cases<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The specific design depends on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pressure level and load cycles<\/li>\n\n\n\n<li>Physical and chemical properties of the medium<\/li>\n\n\n\n<li>Temperature conditions<\/li>\n\n\n\n<li>Safety requirements<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"651\" class=\"wp-block-cover__image-background wp-image-9442 size-large\" alt=\"\" src=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9-1024x651.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9-1024x651.jpg 1024w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9-300x191.jpg 300w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9-768x488.jpg 768w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9-1536x977.jpg 1536w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9-18x12.jpg 18w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9-600x382.jpg 600w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9-1200x763.jpg 1200w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/Pharma_Tank_9.jpg 1752w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#899198\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<section class=\"wp-block-group has-theme-grey-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h2 id=\"h-technical-design-amp-options\" class=\"wp-block-heading has-theme-secondary-text-color has-text-color\">Technical Design &amp; Options<\/h2>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns gap-100 is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"no-margin has-theme-secondary-text-color has-text-color wp-block-paragraph\"><strong>Materials<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stainless steel (various grades depending on media requirements)<\/li>\n<\/ul>\n\n\n\n<p class=\"no-margin has-theme-secondary-text-color has-text-color wp-block-paragraph\"><strong>Operating parameters<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Designed for defined pressure ranges (overpressure\/vacuum)<\/li>\n\n\n\n<li>Consideration of static and dynamic loads<\/li>\n\n\n\n<li>Temperature-dependent design<\/li>\n\n\n\n<li>Consideration of corrosion, fatigue, and stress conditions<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"no-margin has-theme-secondary-text-color has-text-color wp-block-paragraph\"><strong>Equipment options<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Safety devices (e.g. pressure relief equipment)<\/li>\n\n\n\n<li>Instrumentation and control technology<\/li>\n\n\n\n<li>Heat exchangers or heating\/cooling systems<\/li>\n\n\n\n<li>\u65ad\u71b1<\/li>\n\n\n\n<li>Inspection and maintenance openings<\/li>\n\n\n\n<li>Connections for integration into process systems<\/li>\n<\/ul>\n\n\n\n<p class=\"no-margin has-theme-secondary-text-color has-text-color wp-block-paragraph\"><strong>Codes &amp; Standards (selection, depending on application)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PED (Pressure Equipment Directive)<\/li>\n\n\n\n<li>ASME (e.g. Section VIII)<\/li>\n\n\n\n<li>API (depending on application)<\/li>\n\n\n\n<li>ATEX (for potentially explosive media)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The specific code selection is based on application requirements and the relevant regulatory environment.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/section>\n\n\n\n<div class=\"wp-block-columns gap-none  has-theme-white-background-color has-background is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:52%\">\n<div class=\"wp-block-group left-container no-right-padding flex flex-center\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1687\" height=\"1125\" src=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall.jpg\" alt=\"\" class=\"wp-image-9432\" srcset=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall.jpg 1687w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall-300x200.jpg 300w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall-1024x683.jpg 1024w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall-768x512.jpg 768w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall-1536x1024.jpg 1536w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall-18x12.jpg 18w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall-600x400.jpg 600w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank-manufacturing_hall-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1687px) 100vw, 1687px\" \/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:48%\">\n<div class=\"wp-block-group right-container flex flex-center\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 id=\"h-sizes-designs-and-fabrication\" class=\"wp-block-heading has-theme-secondary-text-color has-text-color\"><strong>Sizes, Designs and Fabrication<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pressure vessels are individually engineered and manufactured.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typical features:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Up to \u00d8 7.5 m: one-piece factory production possible<\/li>\n\n\n\n<li>Beyond that: flexible on-site assembly<\/li>\n\n\n\n<li>Engineered for high mechanical loads and pressure stress<\/li>\n\n\n\n<li>Documented fabrication and inspection processes<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fabrication takes place under controlled conditions with documented quality assurance.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns gap-none has-theme-primary-background-color has-background is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"994\" class=\"wp-block-cover__image-background wp-image-775\" alt=\"\u80cc\u666f\u753b\u50cf\" src=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2023\/08\/background-graphic.png\" data-object-fit=\"cover\" srcset=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2023\/08\/background-graphic.png 768w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2023\/08\/background-graphic-232x300.png 232w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2023\/08\/background-graphic-464x600.png 464w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-group left-container flex flex-center\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 id=\"h-differentiation-from-other-vessel-types\" class=\"wp-block-heading has-theme-secondary-color has-text-color has-link-color wp-elements-1\"><strong>Differentiation from Other Vessel Types<\/strong><\/h3>\n\n\n\n<p class=\"has-theme-white-color has-text-color has-link-color wp-elements-2 wp-block-paragraph\">Storage tank: storage without relevant pressure<br>Process tank: execution of processes (mixing, reaction, etc.)<br>Pressure vessel: storage and processing under pressure or vacuum<br>Silo: storage of bulk solids<br>Special vessel: specific requirements beyond standardized applications<\/p>\n\n\n\n<p class=\"has-theme-white-color has-text-color has-link-color wp-elements-3 wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-theme-white-color has-text-color has-link-color wp-elements-4 wp-block-paragraph\"><\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 id=\"h-technical-advantages-and-added-value\" class=\"wp-block-heading has-theme-secondary-color has-text-color has-link-color wp-elements-5\"><strong>Technical Advantages and Added Value<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High process safety &#8211; engineered for defined pressure conditions and load cases<\/li>\n\n\n\n<li>Code-compliant design complies with relevant standards for pressure equipment<\/li>\n\n\n\n<li>Reliable operation under load &#8211; designed for mechanical and thermal stress<\/li>\n\n\n\n<li>Customized adaptation to process conditions &#8211; flexible design in terms of pressure, temperature, and medium<\/li>\n\n\n\n<li>Integration into complex plants &#8211; coordinated interfaces to existing systems<\/li>\n<\/ul>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 id=\"h-applications-across-industries\" class=\"wp-block-heading has-theme-secondary-color has-text-color has-link-color wp-elements-6\"><strong><strong>Applications Across Industries<\/strong><\/strong><\/h3>\n\n\n\n<p class=\"has-theme-white-color has-text-color has-link-color wp-elements-7 wp-block-paragraph\">Pressure vessels are used in a wide range of industries, each with specific requirements for design, codes, and operation.s.<br>Select your industry to learn more about the relevant requirements:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.ziemann-holvrieka.com\/jp\/%e3%82%bb%e3%82%af%e3%82%bf%e3%83%bc\/food-processing\/\">Food industry<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ziemann-holvrieka.com\/jp\/%e3%82%bb%e3%82%af%e3%82%bf%e3%83%bc\/pharmaceuticals\/\" type=\"link\" id=\"https:\/\/www.ziemann-holvrieka.com\/en\/sectors\/pharmaceuticals\/\">Pharmaceutical industry<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ziemann-holvrieka.com\/jp\/%e3%82%bb%e3%82%af%e3%82%bf%e3%83%bc\/%e5%8c%96%e5%ad%a6%e7%89%a9%e8%b3%aa\/\" type=\"link\" id=\"https:\/\/www.ziemann-holvrieka.com\/en\/sectors\/chemicals\/\">Chemical industry<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ziemann-holvrieka.com\/jp\/%e3%82%bb%e3%82%af%e3%82%bf%e3%83%bc\/petrochemicals\/\" type=\"link\" id=\"https:\/\/www.ziemann-holvrieka.com\/en\/sectors\/petrochemicals\/\">Petrochemical industry<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.ziemann-holvrieka.com\/jp\/%e3%82%bb%e3%82%af%e3%82%bf%e3%83%bc\/bulk-handling\/\" type=\"link\" id=\"https:\/\/www.ziemann-holvrieka.com\/en\/sectors\/bulk-handling\/\">Bulk handling logistics<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column region-block is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" class=\"wp-block-cover__image-background wp-image-9441 size-large\" alt=\"\" src=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt-1024x682.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt-1024x682.jpg 1024w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt-300x200.jpg 300w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt-768x512.jpg 768w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt-1536x1023.jpg 1536w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt-18x12.jpg 18w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt-600x400.jpg 600w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt-1200x799.jpg 1200w, https:\/\/www.ziemann-holvrieka.com\/wp-content\/uploads\/2026\/07\/tank_welding_buergstadt.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#6a686a\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" class=\"wp-block-cover__image-background wp-image-9434 size-large\" alt=\"\" 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