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German standard high pressure rubber joint

      German standard high pressure rubber joint

      German standard high-pressure rubber joints are specially used for cold water, hot water, compressed air, natural gas, etc. It has a unique design, novel structure and good sealing performance to solve the pipeline burst caused by thermal expansion and contraction and damage pipeline connection equipment, effectively improving The life cycle of the pipeline and the protection of the equipment. Because the rubber joint has good comprehensive properties, it is widely used in chemical, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, power and other basic projects, especially suitable for large vibrations, cold and hot changes Frequent pipes.

      "Meet you, it is no accident", thank you very much for being able to click into the official website of "Hengzhong" in the vast information on the Internet. If you can provide you with technical services in [German standard high pressure rubber joints], it will be Hengzhong people Honored! Next you will see the technical information of German standard high pressure rubber joints prepared by Hengzhong German standard high pressure rubber joint technology. I hope it will be helpful for your choice!

      Product aliases: flexible rubber joints, rubber soft connections, shock absorbers, flange soft connections, rubber flexible joints, rubber pipe joints
      Product specifications: [DN32mm-DN4000mm]
      Product pressure: 0.6-2.5MPa
      Damping level: A, excellent shock absorption
      Product certification: ISO9001-2008
      Scope of application: [Acid, alkali, corrosion, oil, hot water, cold water, compressed air, compressed natural gas, etc.]
      天然橡胶、三元乙丙橡胶、丁晴橡胶、氟橡胶等 Material: Natural rubber, EPDM, NBR, Viton, etc.
      Product color: black, see the product display picture for the actual color.
      Working temperature: -40 degrees to 80 degrees (also can process high temperature resistant rubber joints)

      • Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

      • Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

      • Fast delivery: advanced production lines, sufficient stocking, shortened delivery time!

      Performance characteristics

      1. It is a pipe joint with high elasticity, high air tightness, medium resistance and weather resistance. High internal density, can withstand high pressure, and good elastic deformation effect.
      2. This product is manufactured by Hengzhong Company using a new process of air-blowing mold. It is a product composed of a ball composed of inner rubber layer, reinforcement layer, middle rubber layer and outer rubber layer, and loose-forged low-carbon steel flange. High pressure, good elasticity, large displacement, good vibration and noise reduction, and easy installation. Can be widely used in water supply and drainage, HVAC, fire protection, compressors, paper making, pharmaceuticals, ships, pumps, fans and other pipe systems.
      3. The rubber joint is a joint made of fabric-reinforced rubber parts and loose metal flanges, which is used for pipe vibration reduction and noise reduction and compensation for displacement.
      4, small size, light weight, good flexibility, easy installation and maintenance.
      5. It can produce lateral, axial and angular displacement during installation, without being restricted by the eccentricity of the pipeline and the non-parallel flange.
      6. It can reduce the structure transmission noise and strong shock absorption ability when working.

      Hengzhong strictly abides by international standards and quality requirements of raw materials, and eliminates the phenomenon of cutting corners. The environmental protection standard means that the raw materials of the product not only need new materials, but also environmentally-friendly new materials. Because the rubber joint has good comprehensive properties, it is widely used in chemical, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, power and other basic projects, especially suitable for large vibrations, cold and hot changes Frequent pipes.

      Use installation

      1. When installing flexible rubber joints in pipelines, they must be kept in a natural state and do not artificially deform the product.

      When the pipeline medium is resistant to acid, alkali, oil, high temperature and other special materials, a joint with a gear higher than the working pressure of the pipeline should be selected.

      2. The flange connecting the rubber joint should be a valve flange or a flange conforming to GB / T9115.1 (RF).

      3. The normal applicable medium for flexible rubber joints is ordinary water with a temperature of 0-60 ° C. For special media such as oil, acid and alkali, high temperature and other corrosive and hard textures, the corresponding special resistant material should be selected. Rubber joint, cannot be used blindly or universally.

      4. Flexible flexible rubber joints should be located on the side of the water spring when it is used at the inlet and outlet of the pump. A metal reducing joint should be installed between the spring and the water spring.

      5. When the displacement of the pipeline is greater than or equal to the maximum compensation of the joint, the number of joints should be increased to parallel the displacement. It is strictly forbidden to adjust the excess of the pipeline to make the joint at the limit of the flexural displacement and deviation state, let alone exceed the limit Telescopic, displacement, deflection, etc.), see the table below for specific installation data.

      6. For high-level water supply or suspended water supply, the pipeline should be fixed on a hanger, bracket or anchorage, and the joint cannot bear the weight and axial force of the pipeline, otherwise the joint should be equipped with an anti-pulling device (the bearing capacity must be greater than the pipeline Axial force).

      7. When installing the rubber joint, the screw of the bolt should extend to the outside of the joint, and the bolt on the end face of each flange should be tightened repeatedly and uniformly to prevent pressure deviation. The screw joint should be tightened evenly with a standard wrench. Do not use a booster stalk to force the live joint to slip, edge, and break, and check regularly to avoid loosening and water leakage.

      8. After the rubber flexible joint is subjected to the pressure for the first time (such as: installation test pressure, etc.) or before being re-used for a long period of time, the bolts should be re-pressurized and tightened, and then put into operation.

      9. When using or storing soft rubber joints, avoid high temperature, ozone oil and acid and alkali environments. Pipes used outdoors or facing the sun should be constructed with sunshades, and it is strictly forbidden to storm, rain or wind. It is strictly forbidden to paint or twist insulation material on the joint surface. Due to aging problems of rubber products, they should be inspected and replaced in a timely manner.

      10. Flexible rubber joints are strictly forbidden to exceed the displacement limit during installation.

      11. The mounting bolts should be symmetrical and tightened gradually to prevent local leakage.

      12. When installing rubber joints on the ground, in the air, or vertically, the actual working axial displacement pressure of the rubber joints should be less than the supporting force of the pipeline; otherwise, anti-pullout devices should be installed to prevent work from being pulled out under pressure.

      13. Rubber joints should be kept away from heat sources and ozone areas. Strong radiation is strictly prohibited. Expose and use media that does not meet the requirements of this product.

      14. During transportation, loading and unloading, and installation of rubber joints, it is strictly forbidden to cut the surface sealing surface with sharp instruments.

      15. For products above DN200MM, please use butterfly valve special flanges or small-diameter flanges to avoid flange pull-out, water leakage, and water leakage after installation.

      technical standard

      Technical parameters

      Item Item Model KXT-1 KXT-2 KXT-3 A, such as medium oil, acid and alkali substances
      B. Special requirements for working temperature
      C. You can also write to us to customize
      D. Please specify when ordering
      A. If media is oil, acid or alkali.
      B. If special requirements for working temperature
      C. If OEM orders with drawings or samples
      D. Please Inform us about above when ordering
      MpaWoring pressure 1.0 (10) 1.6 (16) 2.5 (25)
      Burst Pressure 2.0 (20) 3.0 (30) 4.5 (45)
      Kpa Vacuum 53.3 (400) 86.7 (650) 100 (750)
      Applicable Temperature -20 ℃ ~ + 115 ℃ (special can reach -30 ℃ ~ + 250 ℃) -20 ℃ ~ + 115 ℃ (-30 ℃ ~ + 250 ℃ under special conditions)
      Applicable Medium Air, compressed air, water, sea water, oil, acid, alkali, etc.
      Note: the materials of main parts are the same with those of KXT type

      Specifications

      No. Part Material
      1 Body Natural rubber (NR), neoprene (CR), butyl rubber (IIR), nitrile rubber (NBR), fluoro rubber (FKM), EPDM
      2 Inner & Outer Rubber Natural rubber (NR) Neoprene (CR) Butyl rubber (IIR) Nitrile rubber (NBR) Fluorine rubber (FKM) Ethylene propylene rubber (EPDM) Polytetrafluoroethylene (PTFE)
      3 Body Carcass Nylon cord fabric
      4 Reinforcing Ring Multi-strand coppering steel wire
      5 Flange Cast and forged carbon steel (Q235), Stainless steel (201, 304, 316, 321), Plastic (CPVC, PVDF, PPH, UPVC, RPP)

      Nominal diameter DN
      Nominal Diameter
      (Mm)
      length
      LengthLmm
      Special length
      LengthLmm
      Axial displacement
      Axial displacement mm
      Lateral displacement
      Haorizontal isplacement mm
      Deflection angle
      Angular deflection (a1 + a2) °
      mm

      Inch

      Extension Compression
      32 1.25 95 130/150 6 9 9 15
      40 1.5 95 130/150 6 10 9 15
      50 2 105 130/150/200 7 10 10 15
      65 2.5 115 130/150/200 7 13 11 15
      80 3 135 130/150/200 8 15 12 15
      100 4 150 130/200 10 19 13 15
      125 5 165 130/150/200 12 19 13 15
      150 6 180 130/150/200 12 20 14 15
      175 7 200 / 12 20 14 15
      200 8 200 130/150/210 16 25 twenty two 15
      225 9 200 / 16 25 twenty two 15
      250 10 230 130/150/200 16 25 twenty two 15
      300 12 245 130/150/200 16 25 twenty two 15
      350 14 255 130/150/200 16 25 twenty two 15
      400 16 255 200 16 25 twenty two 15
      450 18 255 200 16 25 twenty two 15
      500 20 255 200 16 25 twenty two 15
      550 twenty two 255 / 16 25 twenty two 15
      600 twenty four 260 200 16 25 twenty two 15
      700 28 260 / 16 25 twenty two 15
      800 32 260 / 16 25 twenty two 15
      900 36 260 / 16 25 twenty two 15
      1000 40 260 / 18 26 twenty four 15
      1200 48 260 / 18 26 twenty four 15
      1400 56 350 / 20 28 26 15
      1600 64 350 / 25 35 30 10
      1800 72 350 / 25 35 30 10
      2000 80 350 / 25 35 30 10
      2200 88 400 / 25 35 30 10
      2400 96 400 / 25 35 30 10
      2600 104 400 / 25 35 30 10
      2800 112 400 / 25 35 30 10
      3000 120 400 / 25 35 30 10
      Note: 1. Special requirements can be made according to user drawings. The flange standard adopts GB / T9115.1-2000. Optional (GB, JB, HG, CB, ANSI, DIN, BSEN, NF, EN, JIS, ISO, etc. ) Standard flange production. Rubber spheres can be made of natural rubber, EPDM, neoprene, butyl rubber, nitrile rubber, fluorine rubber, etc.
      2. Use DN200 or higher product for suspended water supply. The pipeline must have fixed support or fixed bracket, otherwise the product should be installed with anti-pulling device.
      3. The user uses a rubber joint, and the corresponding flange should be a valve flange or a GB / T9115.1 (RF) flange.
      Notes: 1. For OEM orders with special requirement, rubber joints can be made according to customers' drawings. Generally, flange standard is GB / T9115.1-2000, other GB, JB, HG, CB, ANSI, DIN, BSEN, NF, EN, JIS, ISO flanges are also available upon request. Material of rubber body can be NR natural rubber, EPDM, Neoprene, IIR butyl rubber, NBR Buna-N, FKM, etc.
      2.When rubber joints size above DN200 are used for overhead water supply system, the pipes must be equipped with fixed supports or fixed brackets, otherwise control units shall be installed on rubber joints.
      3.Matching flanges of rubber joints shall be valve flanges or GB / T9115.1 (RF) flanges.

      The Belt and Road Initiative demonstrates the style of great powers and builds up national brands! Achieving the brand is not the pursuit of Hengzhong people. How to make Hengzhong [German standard high pressure rubber joints] stable and reliable quality, create greater customer value, and provide more assured products for the society is the direction that Hengzhong people are pursuing! Co-create national brands, promote Made in China, and stand on the tide of the world, but my Chinese sons and daughters! Hengzhong is willing to work with you to build the Chinese dream, and wish you all the best!

      Gongyi Hengzhong Water Supply Material Co., Ltd.

      Address: South Section of Yong'an Road, Gongyi City, Henan Province

      Phone: 0371-64032688

      Fax: 0371-64032611

      Mobile: 13938406796 15838275686

      Website: http://cddk666.com

      Email: hengzhonggongshui@163.com

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      Copyright: Gongyi Hengzhong Water Supply Material Co., Ltd.

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