{"id":2416,"date":"2025-03-25T07:48:18","date_gmt":"2025-03-25T07:48:18","guid":{"rendered":"https:\/\/www.sino-alloy.com\/clamp\/?post_type=product&p=2416"},"modified":"2025-03-25T09:33:39","modified_gmt":"2025-03-25T09:33:39","slug":"insulated-u-bolts-leading-china-u-bolt-manufacturer","status":"publish","type":"product","link":"https:\/\/www.sino-alloy.com\/clamp\/product\/insulated-u-bolts-leading-china-u-bolt-manufacturer\/","title":{"rendered":"Insulated U Bolts | Leading China U bolt manufacturer"},"content":{"rendered":"

What Are Insulated U Bolts?<\/strong><\/h2>\n

Insulated U bolts are specialized fasteners with non-conductive sleeves (Rubber, PTFE, or plastic and so on) that wrap around the U bolt\u2019s curve and threads. Unlike standard U bolts, they prevent \u200belectrical conductivity<\/strong>\u00a0between metals while securing pipes, cables, or equipment. The insulation sleeve acts as a barrier to block \u200bgalvanic corrosion<\/strong>\u00a0(electrolytic reactions between dissimilar metals) and dampens vibrations by absorbing shock.<\/p>\n

Commonly used in marine, oil\/gas, and renewable energy projects, these bolts isolate structures exposed to saltwater, chemicals, or high-voltage environments. For example, they prevent rust on ship hulls by separating stainless steel bolts from aluminum fittings, or protect solar panel mounts from grounding faults. Key materials like \u200bEPDM rubber<\/strong>\u00a0(weather-resistant) and \u200bPTFE<\/strong> (chemical-resistant) ensure durability in temperatures from -40\u00b0C to 260\u00b0C. Insulated U bolts comply with ASTM\/ISO standards, making them essential for safety-critical installations where electrical isolation and corrosion resistance are non-negotiable.<\/p>\n

Insulated U bolts are known as insulated U bolt pipe clamps also.<\/p>\n

Insulated U bolts Technical Specifications<\/strong><\/h2>\n

Younglee<\/strong>\u00a0is a leading manufacturer of \u200binsulated U bolts<\/strong> engineered to secure critical infrastructure in harsh environments. Our insulated U bolts provide \u200belectrolytic corrosion prevention<\/strong>\u00a0by isolating dissimilar metals, alongside \u200belectrical insulation<\/strong>, \u200bvibration dampening<\/strong>, and \u200blong-term corrosion protection. Specifically designed for shipbuilding, offshore oil platforms, FPSO\/FSO projects, and subsea pipelines, these U bolts eliminate galvanic degradation risks caused by saltwater exposure. Trusted in marine engineering, solar farms, and heavy industries, Younglee\u2019s insulated U bolts exceed ASTM\/ISO standards for safety and salt spray resistance.<\/p>\n

Here below is the common specifications of the insulated U bolts we manufacture.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
\u200bName<\/td>\n\u200bDetails<\/td>\n<\/tr>\n
Sizes<\/td>\nFit for pipe size OD 1\/2″ to 36″(DN15-DN900), U bolt dia 1\/4″ to 2″ (M6 to M56)<\/td>\n<\/tr>\n
\u200bMaterial<\/td>\nCarbon steel (HDG coated) \/ Stainless steel 304\/316 \/ Alloy steel<\/td>\n<\/tr>\n
\u200bInsulation Sleeve<\/td>\nEPDM, Neoprene, or Silicone Rubber (flame-retardant options available); PTFE(Teflon) coated, Plastics as PVC and so on.<\/td>\n<\/tr>\n
\u200bTemperature Range<\/td>\n-40\u00b0F to 250\u00b0F (-40\u00b0C to 120\u00b0C)<\/td>\n<\/tr>\n
\u200bStandards<\/td>\nASTM A 193 B7 \/ASTM A194 2H, ASTM A320 B8M\/ASTM A194 8M, ASTM A320 B8\/ A194 8, ASTM A320 L7\/ASTM A194 7, ASTM A325, ASTM A307,\u00a0A153, ASME B18.2.6, ISO 4032, and so on.<\/td>\n<\/tr>\n
Surface Coating<\/td>\nHot dipped Galvanized(HDG) for non-stainless steels, PTFE coated (as Xylan 1014, Xylan 1024, Xylan 1070 and so on) for stainless steels U bolts.<\/td>\n<\/tr>\n
\u200bCertifications<\/td>\nISO 9001, RoHS compliant, salt spray tested (2,000+ hours)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Main type of insulate U bolts<\/h2>\n

Here below are the main types of the insulated U bolts Younglee manufactures.<\/p>\n