Pipeline Mono Buoyancy Units
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Single Point Buoyancy Units

DOOWIN is Chinese leading manufacturer of load test water bags and underwater air lifting bags. DOOWIN is Chinese unique professional manufacturer of underwater air lifting bags and buoyancy bags. Our air lifting bags are used forthe marine salvage, buoyancy support, pipeline laying. All DOOWIN air lift bags are fully compliant with IMCA-D-016. DOOWIN water filled weight bags are manufactured and tested in compliance with the requirements of LEEA 051. DOOWIN equip the modern production machine, use the market-leading material, advanced production technology to manufacture highest quality...

DOOWIN single point buoyancy unit is one kind enclosed pipeline buoyancy bag. It only has one single lifting point. So it is very effective for the steel or HDPE pipelines laying work at or near the surface. Moreover it also can work at large angle, like the parachute type air lift bags. Vertical single point mono buoyancy units are made of heavy duty PVC coating fabric material in compliance with I MCA D016. Each enclosed vertical single point buoyancy unit is fitted with pressure relief valves, and filling/discharge ball valves. One internal strop is used to connect the top lifting point...

Type Certificated by Drop TestDOOWIN single point buoyancy units are type certificated by the drop test. It has proven a factor of safety in excess of 5:1. Our single point buoyancy units are manufactured and tested compliance with IMCA D016. We can provide BV, ABS, LR third party certificate upon request. Model SWL Requid Test Load Achieved Load FOS Result Pass Pass Pass Pass Indv*t»y 4 f*cU*M** OMftto* INSPECTION CERTIFICATE V I NNSI)<S I IN-17-292-05 B /Job Nt mS-SMNV. IT-7*2 wpfn.r i iuejf CT o* wsPf ciiom ' . .>n*<n| ft? to* AQ tvmr&nWrt XL*<****, MnpVtg t Ton* c«Kt>...

Professional Cast Quality The commitment to quality is our top priority. DOOWIN aims at a high and constant level of quality. The quality assurance systems of DOOWIN have been approved by international organization in accordance with Quality Management System ISO 9001:2008. DOOWIN products are designed, manufactured and tested fully compliant with the international industry stand. Meet the safety factor 5:1 or 6:1 required by IMCA or LEEA standard. We also can provide the third party certificate, such as CCS, LR, ABS, DNV, or BV. In order to ensure the quality of key elements,...

Rental Service DOOWIN maintains an extensive inventory of load test water bags and pipeline buoyancy units in Middle East and Southeast Asia. Ready for rental to customers across neighboring countries and worldwide. ■ Rent Load Testing Water Bags DOOWIN have 5t, 15t, 25t, 35t, 50t and 75t available. Our water bags can be clustered together and stacked with rigging system, to achieve test load of up to 800t, without spreader beams. ■ Rent Pipeline Buoyancy Units We have It, 2t, 3t, and 5t vertical buoyancy units, and individual enclosed air lifting bags available. The total buoyancy of all...

Qingdao Doowin Rubber and Plastic Products Co.,Ltd Address: Xiazhuang Industry Park, Qingdao, China Tel/Fax: +86-532-8778 8178 Mobile: +86-186 6025 7896 Email: sales@doowin-dooflex.com www.doowincn.comwww.doowin.eewww.doowin-dooflex.com © DOOWIN Rubber & Plastic. All rights Reserved.