News

Structural characteristics of rubber expansion joint
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2025-05-14Rubber expansion joint is Hesper’s main product, belong to our expansion joint part. It is a Flexible connector widely used in pipeline systems. Its structural characteristics directly determine its performance advantages and application range. Rubber expansion joint is mainly composed of inner rubber layer, reinforcement layer, outer rubber layer and flange or metal frame and other components. The design and material selection of each part are carefully considered to ensure its reliability and durability under complex working conditions.
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Advantage of wear resistant large diameter rubber hoses
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2025-04-24Large diameter rubber Hose is a main kind of Hesper’s rubber products, as an indispensable component in the industrial field, wear-resistant large-diameter hoses play a vital role in many application scenarios with their unique advantages.
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Function of dismantling joints in pipeline
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2025-04-11Dismantling joints are one main kind of our expansion joints, play very important role in pipeline connection, they can expand and contract axially within a certain range to absorb the displacement of the pipeline,which caused by thermal expansion and contraction or other factors, thereby protecting the pipeline system from stress and damage.
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Characteristics and application of sand suction rubber hose
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2025-03-21Sand suction rubber hose is a kind of our wear resistant rubber hoses, which is widely used to absorb impurities such as silt, sand and gravel. Sand suction rubber hose named according to its usage, due to its wide range of applications, such as river dredging, mining, construction engineering, etc., the sand suction rubber hose plays an important role in all many industries.
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When rubber expansion joint need add limit device
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2025-03-12When the rubber expansion joint is susceptible to large stretching, vibration, torsion or lateral movement during use, sometimes it is necessary to add limiters(tie rods) to ensure the normal operation of the joint to extend its service life.
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When corrugated expansion joint need designed with internal sleeve
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2025-02-28As a pipe connection device, the bellows expansion joint can reduce vibration and noise in the pipe system, and can absorb the thermal expansion and contraction which caused by temperature changes and other factors. However, in some special cases, the metal expansion joint needs to be used together with the inner sleeve to achieve better results.
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Function of rotors and stators for flotation machine
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2025-02-20 The flotation machine is an indispensable equipment in mineral processing, and the impeller( also called rotor) and cover plate( also called stator) are the core components.Polyurethane rotors and stators also our product which belong to our polyurethane product.
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Rubber expansion joints used in chemical plant water treatment
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2025-01-16 During the water treatment process in chemical plants, pipeline systems often need to withstand the impact of water flow, temperature changes, media corrosion, foundation settlement and other factors. These factors may cause vibration, displacement and deformation of the pipeline system, thereby affecting the stability and efficiency of water treatment. Therefore, a connection that can absorb these vibrations, displacements and deformations is needed to ensure the stable operation of the water treatment system.Expansion joints will be needed in this system, rubber expansion joints have fo...
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How to distinguish between rigid dismantling joint and non-rigid dismantling joint from other aspects
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2025-01-03 Dismantling joint just one kind of Hesper’s expansion joints, it’s one of our main products. Rigid dismantling joint and non-rigid dismantling joint are two common connection devices.In last news we know how to distinguish them from the appearance, except from the appearance, they also have following differences:
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