Beijing Hownew Energy Technology Group Co., Ltd
Hownew Energy Technology Group Co., Ltd.
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Expansion joints(compensators)
Expand Your Infrastructure with Reliable Expansion Joints
In the realm of engineering, where precision and adaptability reign supreme, expansion joints stand tall as indispensable assets. Often dubbed as compensators, these marvels of flexibility comprise bellows, connectors, supports, and flanges, meticulously crafted to navigate the rigors of thermal differentials and mechanical vibrations.
Imagine a seamless solution that effortlessly accommodates the dimensional flux of pipelines, conduits, and vessels amidst varying temperatures and dynamic pressures. That's precisely the role of expansion joints. Harnessing the elastic potential of bellows, they adeptly offset thermal expansions and contractions, alongside mitigating axial, lateral, and angular displacements with finesse.
But their utility extends beyond mere compensation. Expansion joints serve as guardians against structural deformations and damage, particularly in heating supply systems where thermal stresses threaten pipeline integrity. By strategically installing compensators, the strain on pipeline walls diminishes, easing the burden on valves and support structures.
What sets expansion joints apart is their unwavering reliability, stellar performance, and space-efficient design. It's no wonder they find their way into the heart of industries like chemical engineering, metallurgy, and nuclear energy, where precision is paramount.
Explore the diverse landscape of expansion joints, each tailored to specific needs. From the ubiquitous U-shaped variants to the innovative Ω-shaped and C-shaped alternatives for vessels, to the specialized breeds like universal, pressure balanced, hinged, and gimbal joints for pipelines—there's a solution for every challenge.
Unlock the potential of your infrastructure with expansion joints—a testament to resilience and adaptability in the face of dynamic forces.
| Main Item | Classification | Description |
| Metal Expansion Joint | ElbowExpansion Joint | Bend the pipe into a U-shaped or other shape, also known as tension bends,are a type of expansion joint that utilizes the elastic deformation ability of the form to compensate. Its advantages are good strength, long service life, and on-site production.The disadvantages are space-consuming, high steel consumption, and high friction resistance. This type of expansion joint is widely used in various steam piping and long pipes. |
Bellows Expansion Joint
| Bellows expansion joints, crafted from metal bellows, offer axial expansion and slight bending within pipelines. To prevent over-extension, protective rods or rings flank both ends, while guide supports stabilize connected pipelines. Angular and lateral expansion joints cater to rotational and lateral deformations. These joints excel in space and material efficiency, facilitating standardization and mass production. Yet, their lifespan is relatively short. Primarily suited for short pipelines with low temperature and pressure, advancements in bellows production widen their applicability. Presently, they accommodate pipe systems with pressures up to 6.0 MPa. | |
| Slip-Type Expansion Joint | The slip-type expansion joint comprises inner and outer sleeves allowing axial movement. Sealed with a stuffing box, it accommodates axial expansion and rotation of pipelines. With core tubes, shells, and sealing materials, it compensates for thermal expansion with a compact design. Ideal for hot water, steam, and grease, it ensures seamless operation with a high-performance dynamic seal. Utilizing synthetic materials, it withstands high temperatures and corrosion, ensuring leakage prevention within -40 to 150 degrees Celsius, extendable to 350 degrees Celsius in specialized conditions. | |
| Non-metallic Expansion Joint | Rubber Expansion Joint | Composed of rubber and rubber-fiber composite materials, steel flanges, sleeves, and insulation materials, it is mainly used for flexible connections between various fans and ducts. Its functions include shock absorption, noise reduction, sealing, medium resistance, easy displacement and installation. It is an ideal accessory for shock absorption, noise reduction, smoke and dust removal in the field of environmental protection. |
| Fabric Expansion Joint | The fabric expansion joint is mainly made of fiber fabric, rubber, and other high temperature resistant materials. It can compensate for the vibration and deformation of fans and ducts.Fabric expansion joints can compensate for axial, lateral, and angular products, with features such as no thrust, simplified support design, corrosion resistance, high temperature resistance, noise reduction, vibration reduction,and others.It is particularly suitable for hot blast pipes and smoke and dust pipeline of power plant.The non-metallic compensator's fiber fabric and insulation cotton itself have the functions of sound absorption and vibration isolation, therefore they can effectively reducing the noise and vibration of boiler, fan, and other systems. Simple structure, light weight, and easy maintenance. |
Super Austenitic Stainless Steel:254SMO,904L,AL6XN
Duplex Stainless Steel :2205 Dual phase steel (S31803)
Nickel Based Alloy Steel:INCOLOY800/800H/800HT/840/825,INCONEL600/601/690/625/X-750
Hastelloy Alloy C-276/C-22/X,MONEL400/K500
Pure Nickel:N4,N6(Ni200,Ni201)
Titanium Plate For Stamping:GR1,GR2,TA1,TA2
Austenitic Stainless Steel:SUS304,SUS304L,SUS316,SUS316L,SUS310S,SUS321,SUS316Ti