{"id":1169,"date":"2026-09-09T07:58:25","date_gmt":"2026-09-09T07:58:25","guid":{"rendered":"https:\/\/haojubolt.com\/?post_type=product&#038;p=1169"},"modified":"2026-09-09T07:58:25","modified_gmt":"2026-09-09T07:58:25","slug":"hs-series-double-stage-hydraulic-bolt-tensioner","status":"publish","type":"product","link":"https:\/\/haojubolt.com\/index.php\/product\/hs-series-double-stage-hydraulic-bolt-tensioner\/","title":{"rendered":"HS Series Double-Stage Hydraulic Bolt Tensioner"},"content":{"rendered":"<p>Product Features<br \/>\nTensioning force range: 200\u20135,830 kN<br \/>\nSuitable bolt sizes: M20\u2013M150<br \/>\nMaximum operating pressure: 80\u2013150 MPa<br \/>\nTwo-stage tensioning design with optional spring return or load return, plus over-stroke protection.<br \/>\nDesigned for frequent operation with reliable sealing, long service life, and reduced maintenance costs.<br \/>\nOne tensioner cylinder size can be used with multiple interchangeable bolt tensioning heads.<br \/>\nMulti-stage bolt tensioners can be customized according to different operating conditions and application requirements.<br \/>\nTwo or more maximum operating pressure options are available.<br \/>\nEquipped with over-stroke protection, and custom stroke lengths are available upon request.<br \/>\nProduct Introduction<br \/>\nThe HS Series Hydraulic Bolt Tensioners are manufactured from high-quality alloy steel and are available with maximum operating pressures of 80 MPa or 150 MPa.<br \/>\nThe tensioners are designed for use with an ultra-high-pressure hand pump or electric hydraulic pump together with high-pressure hydraulic hoses.<br \/>\nThey are suitable for the tensioning and removal of large bolts and are widely used in equipment assembly, installation, and maintenance in industries such as chemical processing, metallurgy, power generation, cement, shipbuilding, coal mining, machinery manufacturing, and pressure vessels.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Product Features Tensioning force range: 200\u20135,830 kN S [&hellip;]<\/p>\n","protected":false},"featured_media":534,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[17],"product_tag":[],"class_list":["post-1169","product","type-product","status-publish","has-post-thumbnail","product_cat-hydraulic-bolt-tensioners","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/product\/1169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/comments?post=1169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/media\/534"}],"wp:attachment":[{"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/media?parent=1169"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=1169"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=1169"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/haojubolt.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=1169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}