{"id":507,"date":"2026-06-04T14:27:37","date_gmt":"2026-06-04T06:27:37","guid":{"rendered":"https:\/\/hongzepipe.com\/?post_type=product&#038;p=507"},"modified":"2026-06-18T11:15:32","modified_gmt":"2026-06-18T03:15:32","slug":"double-sphere-rubber-expansion-joint","status":"publish","type":"product","link":"https:\/\/hongzepipe.com\/vi\/san-pham\/double-sphere-rubber-expansion-joint\/","title":{"rendered":"Double Sphere Rubber Expansion Joint"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-901\" src=\"https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/e4a6df55b4549f1fbd995b2cf96fbd0b-scaled.jpg\" alt=\"\" width=\"1393\" height=\"2560\" srcset=\"https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/e4a6df55b4549f1fbd995b2cf96fbd0b-scaled.jpg 1393w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/e4a6df55b4549f1fbd995b2cf96fbd0b-163x300.jpg 163w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/e4a6df55b4549f1fbd995b2cf96fbd0b-557x1024.jpg 557w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/e4a6df55b4549f1fbd995b2cf96fbd0b-768x1411.jpg 768w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/e4a6df55b4549f1fbd995b2cf96fbd0b-836x1536.jpg 836w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/e4a6df55b4549f1fbd995b2cf96fbd0b-1115x2048.jpg 1115w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/e4a6df55b4549f1fbd995b2cf96fbd0b-600x1103.jpg 600w\" sizes=\"(max-width: 1393px) 100vw, 1393px\" \/> <img decoding=\"async\" class=\"alignnone size-full wp-image-902\" src=\"https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/a0006c58aedb53aa78a64c938c0f7077-scaled.jpg\" alt=\"\" width=\"1451\" height=\"2560\" srcset=\"https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/a0006c58aedb53aa78a64c938c0f7077-scaled.jpg 1451w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/a0006c58aedb53aa78a64c938c0f7077-170x300.jpg 170w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/a0006c58aedb53aa78a64c938c0f7077-580x1024.jpg 580w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/a0006c58aedb53aa78a64c938c0f7077-768x1355.jpg 768w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/a0006c58aedb53aa78a64c938c0f7077-871x1536.jpg 871w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/a0006c58aedb53aa78a64c938c0f7077-1161x2048.jpg 1161w, https:\/\/hongzepipe.com\/wp-content\/uploads\/2026\/05\/a0006c58aedb53aa78a64c938c0f7077-600x1059.jpg 600w\" sizes=\"(max-width: 1451px) 100vw, 1451px\" \/><\/p>\n<p>Double Sphere Rubber Expansion Joint is designed to absorb vibration, reduce noise, compensate axial and lateral movement, and protect pipeline systems from stress caused by pressure, temperature changes and equipment vibration.<\/p>\n<p>Compared with single sphere rubber expansion joints, the double sphere structure provides better flexibility and larger movement absorption capacity. It is widely used in water supply and drainage systems, HVAC systems, pump stations, power plants, chemical plants and general industrial pipeline systems.<\/p>\n<p>Hongze Valve can supply double sphere rubber expansion joints with different rubber materials and flange standards according to project requirements. Common rubber materials include EPDM, NBR, natural rubber and FKM\/Viton. Flange standards can be customized according to ASME\/ANSI, DIN, EN, JIS, GB and other standards.<\/p>","protected":false},"excerpt":{"rendered":"<p>Double Sphere Rubber Expansion Joint provides greater flexibility and movement absorption than single sphere type. It is suitable for vibration reduction, noise control and movement compensation in water treatment, HVAC, pump stations and industrial pipeline systems.<\/p>","protected":false},"featured_media":455,"template":"","meta":{"_angie_page":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[17],"product_tag":[],"class_list":["post-507","product","type-product","status-publish","has-post-thumbnail","product_cat-rubber-expansion-joint","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple","wpzoom-wc-spi-has-enabled"],"_links":{"self":[{"href":"https:\/\/hongzepipe.com\/vi\/wp-json\/wp\/v2\/product\/507","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hongzepipe.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hongzepipe.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hongzepipe.com\/vi\/wp-json\/wp\/v2\/media\/455"}],"wp:attachment":[{"href":"https:\/\/hongzepipe.com\/vi\/wp-json\/wp\/v2\/media?parent=507"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hongzepipe.com\/vi\/wp-json\/wp\/v2\/product_brand?post=507"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hongzepipe.com\/vi\/wp-json\/wp\/v2\/product_cat?post=507"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hongzepipe.com\/vi\/wp-json\/wp\/v2\/product_tag?post=507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}