{"id":4090,"date":"2025-12-16T09:09:24","date_gmt":"2025-12-16T09:09:24","guid":{"rendered":"https:\/\/svsolution.com.vn\/?page_id=4090"},"modified":"2025-12-22T03:54:07","modified_gmt":"2025-12-22T03:54:07","slug":"variable-spring-support","status":"publish","type":"page","link":"https:\/\/svsolution.com.vn\/en\/variable-spring-support\/","title":{"rendered":"VARIABLE SPRING SUPPORTS"},"content":{"rendered":"
<\/span><\/div><\/div><\/div>

Variable Spring Support<\/strong> \u2013 A Flexible and Efficient Pipe Support Solution<\/h2><\/div>

Variable Spring Support<\/strong> is one of the highest-quality spring support products in the pipe support equipment portfolio of Carpenter & Paterson (CPA)<\/strong> – a globally recognized and trusted brand in Pipe Support Systems serving the oil & gas, power, LNG, chemical and heavy industrial sectors.<\/p>\n

What is Variable Spring Support<\/strong> used for?<\/p>\n

Variable Spring Support<\/strong> (also known as Variable Effort Spring Support) is a device that utilizes a pre-compressed spring to absorb and accommodate vertical displacement in piping systems caused by thermal expansion, contraction, or minor operational movements.<\/p>\n

This type of Variable Spring Support<\/strong> is particularly suitable for piping systems with relatively small vertical movement, typically up to 75 mm, and provides a variable supporting load proportional to the pipe movement, in accordance with the spring principle (Hooke\u2019s Law).<\/p>\n

Advantages of Carpenter & Paterson Variable Spring Support<\/strong><\/p>\n

    \n
  1. Automatic adaptation to thermal movement<\/li>\n<\/ol>\n

    When the piping system expands due to temperature changes, the supporting force of the spring within the Variable Spring Support<\/em> adjusts accordingly, helping to:<\/p>\n

      \n
    • Prevent excessive residual stresses in the piping<\/li>\n
    • Reduce the risk of cracking, failure, or joint damage<\/li>\n
    • Maintain stable and reliable system performance<\/li>\n<\/ul>\n

      This operating principle allows the Variable Spring Support<\/em> to balance loads at different operating positions of the pipe.<\/p>\n

        \n
      1. Robust and corrosion-resistant design<\/li>\n<\/ol>\n

        Carpenter & Paterson<\/strong> designs its Variable Spring Support<\/em> products with the following features:<\/p>\n

        \u2705 All-steel construction \u2013 strong and capable of carrying high loads
        \n\u2705 Fully enclosed spring housing \u2013 protects against impact and corrosion
        \n\u2705 Easy-to-read load indicator \u2013 enables quick inspection on site
        \n\u2705 Hot-dip galvanizing \/ multi-layer protective coatings for enhanced durability<\/p>\n

        In addition, austenitic stainless steel Variable Spring Supports<\/em> can be manufactured for harsh or corrosive environments, subject to project requirements.<\/p>\n

          \n
        1. Easy installation & maintenance-free operation<\/li>\n<\/ol>\n

          CPA Variable Spring Supports<\/em> are:<\/p>\n

          \u2714 Pre-compressed at the factory, reducing installation height and shortening site installation time
          \n\u2714 Maintenance-free, with no routine servicing required for the spring
          \n\u2714 Optional with limit stops and lifting lugs to assist installation and restrict excessive movement when required<\/p>\n

            \n
          1. Flexible operating range<\/li>\n<\/ol>\n

            CPA offers Variable Spring Supports<\/em> with a wide range of travel options:<\/p>\n

            \ud83d\udd38 AV35 \/ LV35 \u2013 35 mm travel
            \n\ud83d\udd38 AV70 \/ LV70 \u2013 70 mm travel
            \n\ud83d\udd38 AV140 \/ LV140 \u2013 140 mm travel
            \n\ud83d\udd38 AV210 \/ LV210 \u2013 210 mm travel<\/p>\n

            These options allow engineers and contractors to select the most suitable model based on actual thermal displacement and operating load conditions of the piping system.<\/p>\n

              \n
            1. Applications of Variable Spring Support<\/em><\/li>\n<\/ol>\n

              Carpenter & Paterson Variable Spring Supports<\/em> are ideal for piping systems in:<\/p>\n

              \u2714 Steam and power plants \u2013 accommodating movement due to high temperatures
              \n\u2714 Hot water and steam systems in industrial facilities
              \n\u2714 Fluid pipelines with limited temperature fluctuation
              \n\u2714 Piping lines requiring stress reduction within small to medium displacement ranges<\/p>\n

                \n
              1. CPA variable spring supports<\/em> meet the requirements of the following:<\/li>\n<\/ol>\n
                  \n
                • European Union Pressure Equipment Directive 97\/23\/EC<\/li>\n
                • EN 13480 Part 3 Metallic Industrial Piping<\/li>\n
                • BS1726-1 Cylindrical Helical Springs made from Round Wire and Bar \u2013 Part 1: Compression Springs<\/li>\n
                • EN 13906 Cylindrical Helical Springs made from round wire and bar \u2013 Calculation and Design \u2013 Part 1: Compression Springs<\/li>\n
                • U.S. Manufacturers Standardization Society MSS SP-58<\/li>\n
                • U.S. Manufacturers Standardization Society MSS SP-69<\/li>\n
                • The ASME Code for Power Piping ASME B31.1<\/li>\n
                • The ASME Code for Process Piping ASME B31.3<\/li>\n<\/ul>\n

                  Contact SV Solution today to obtain the product brochure and receive comprehensive consultation on the full range of Carpenter & Paterson (CPA) Variable Spring Supports<\/em><\/p>\n<\/div><\/div><\/div>

                  <\/span><\/div>

                  LV Spring Support<\/p>\n<\/div><\/div><\/div>

                  <\/span><\/div>

                  AV Spring Support<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4090","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/svsolution.com.vn\/en\/wp-json\/wp\/v2\/pages\/4090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/svsolution.com.vn\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/svsolution.com.vn\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/svsolution.com.vn\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/svsolution.com.vn\/en\/wp-json\/wp\/v2\/comments?post=4090"}],"version-history":[{"count":6,"href":"https:\/\/svsolution.com.vn\/en\/wp-json\/wp\/v2\/pages\/4090\/revisions"}],"predecessor-version":[{"id":4177,"href":"https:\/\/svsolution.com.vn\/en\/wp-json\/wp\/v2\/pages\/4090\/revisions\/4177"}],"wp:attachment":[{"href":"https:\/\/svsolution.com.vn\/en\/wp-json\/wp\/v2\/media?parent=4090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}