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Corrosion-Resistant Rubber Expansion Joint for Seawater Pipelines1
Rubber Rubber ProductsExpansion JointRubber Expansion Joint
Jiangsu Cdsr Technology Co., Ltd.
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Product DescriptionExpansion JointThe Expansion Joint is mainly used on the dredgers to the connect the dredge pump and pipeline, and to connect the pipelineson deck. Due to the flexibility of the hose body, it can provide a certain amount of expansion and contraction to compensate thegap between the pipes and facilitate the installation and maintenance of the equipment. The Expansion Joint has a good shockabsorption effect during operation and plays a protective role for the equipment.The Expansion Joint is a kind of rubber hose with short length and generally less than im in length. it can be designed towithstand a wide range of pressure ratings. Expansion joints can be designed and built to withstand negative pressure, such as"0.1 MPa", and to withstand positive pressures, such as "1.0 MPa". "2.5 MPa", and even to withstand both negative pressureand positive pressure, such as "0.1 MPa ~ 1.5 MPa", thus Expansion joint is applicable to diferent pressure conditions.The Expansion Joint has following types: Expansion Joint with Steel Nipple, Expansion Joint with Sandwich Flange andExpansion Joint with reducing bore.SpecificationApplicationsExpansion Joint is a necessary part for important systems of large Cutter Suction Dredger(CSD) and Trailing Suction HopperDredger(TSHD), it is applied in jet water hose system, tank loading piping system, the front and rear pipe of the pump, and thedeck piping system. The Expansion Joints produced by CDSR have been deeply trusted by domestic and foreign users.It is necessary to pay attention to the relationship between the length of Expansion Joint and the space for installation, as it isrelated to the service life of the product. Normally the length of the Expansion Joint is 0~5mm shorter than the space where it isinstalled, and the maximum installation clearance shall not exceed 10mm for long Expansion Joint(nearly 1m long). In case theinstallation clearance is too large, the Expansion Joint will always be stretched and this may damage its structure.Features(1) With wide range of pressure rating, suitable for both negative and positive pressure conditions.(2) Excellent abrasion resistance(3) Good elasticity(4) Good shock absorptionTechnical Parameters(Custom configurations available upon request.)Nominal Bore Size200mm,350mm,400mm,500mm,600mm,700mm,750mm,800mm,850mm,900mm,1000mm,1100mm,1200mm,1300mmHose Length0.2 m ~ 1 m (tolerance: ±1%)Working Pressure-0.1 MPa to 3.0 MPaDrawings & DimensionsDetailed CAD drawings and dimensional diagrams are available for download here or upon inquiry. Our engineering team can provide tailored designs to meet specific project requirements.Test item1. Material test2. Adhesion test3. Weight test4. MBR test5. Bending Stiffness test6. Hydrostatic Pressure test7. Vacuum test8. Electrical test9. Lifting Lug Acceptance test.The number of hoses for each test item in accordance with GMPHOM 2009Documentation, Tests and Markings in accordance with GMPHOM 2009Packaging & ShippingCompany ProfileJiangsu CDSR Technology Company Co., Ltd.(CDSR)is a leading and also the biggestmanufacturer of marine hoses(GMPHOM 2009) and dredging hoses in China, specialized in themanufacture of dredging hose, oil hose and other rubber products:1.Large-bore Discharge/Suction Hose2. Floating Discharge Hose, Pipe Float3. Marine Oil Hose(GMPHOM 2009)4. Rubber Lining for Dredger Pump, Bottom Door Seal for Dredger5. Various Rubber Fender for Dock and Tugboat.6.Rubber Bearing for Bridge, Bridge Expansion Joint.As the first company in China that developed Floating Discharge Hose, Armored Hose andMarine Oil Hose, CDSR adheres to the business philosophy of "establishing a business witintegrity and leading quality", and the spirit of "struggling for the first domestically and creating afirst-class company globally", commited to build itself into a world-class company specialize inhigh-quality rubber products.CertificationsFAQ1. What's the material of your hoses?Material: NBR + High Tensile Steel Wire + Orange Spiraled Stripe. 2. What's the advantage of your hoses?Built and tested in accordance with ISO28017:2009 specifications.Third quality inspection.Stable price and delivery time.Best Customer Testimonials . 3. How long about the shortest delivery time?Multiple production lines are synchronized to ensure delivery within the specified time. 4. What's your MOQ of your hoses?MOQ: 1 Piece. 5. What's the lifespan of your hoses?Lifespan: More than 10 years. 6. What's the warranty period of your products?36 months. Excellent quality reassures you and me. 7. What's your standard of the hoses?To be satisfy with ISO28017:2009. 8. What kind of certificate can you provide?DNV.GL, BV, CCS, ABS, LR certificates are available.
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