Are you looking for the best rubber expansion joint factories in China? With numerous options available, it can be overwhelming to choose the right one. In this article, we’ll compare some of the top manufacturers, highlighting their strengths, product ranges, and what sets them apart. Let’s dive in and find the perfect fit for your needs.
Expansion Joint, Rubber Lining: ZHW | Expansion Joint …
Rubber Expansion Joint Single Sphere – Nortech
Product Details: Rubber Expansion Joint Single Sphere is a flexible connector consisting of natural or synthetic elastomers, fabric, and when necessary, metallic reinforcements. It is designed to absorb vibration on the pipeline and noises. Various rubber materials are chosen according to the fluid type and service condition. The product comes in different types, including single sphere flanged, double sphere flanged, threaded union, flanged reducer, and flanged elbow expansion joints.
Pros:
– Absorb movement
– Improve thermal stability
– Relieve system strain due to thermal change, load…
– Reduce mechanical noise
– Compensate for misalignment
– Eliminate electrolysis between dissimilar metals
Rubber Joints Manufacturer in China – Lindas
Product Details: Lindas manufactures a wide range of rubber joints, including single-sphere and double-sphere flexible rubber joints, union type, and PTFE-lined rubber joints. These joints are designed for various applications and can be customized to meet specific project requirements.
Pros:
– High flexibility and durability
– Customizable sizes and shapes
– Suitable for diverse industrial applications
– PTFE-lined options for enhanced chemical resistanc…
Cons:
– No specific information on cons available from the…
– Potential for material limitations depending on ap…
Rubber Expansion joint with tie rods – DEYE
Single Sphere Rubber Expansion Joint, China Threaded …
China Rubber Expansion Joint Manufacturers – Convista
Product Details: The Rubber Expansion Joint is composed of inner rubber, a rubber hose made up of multi-layer coating cord fabric, and outer rubber with a metallic active joint. It comes in three types: WTX-Ⅰ, WTX-Ⅱ, and WTX-Ⅲ. Working pressures range from 1.0 MPa to 2.5 MPa, and explosion pressures range from 2.0 MPa to 4.5 MPa. The applicable temperature range is -15°C to 115°C, and for special conditions, it can be -30°C to 250°C. It is suitable for various media including air, compressed air, water, sea water, hot water, oil, acid, and alkali.
Pros:
– Good flexibility and large range of expansion and…
– Vibration absorption and noise reduction.
– Heat and dust insulation, friendly to the environm…
– Helpful for simplifying the support structure.
– Can deflect displacement and prevent damage caused…
– High air tightness and good medium-resistance and…
Cons:
– Limited working pressure and explosion pressure co…
– Special conditions may require customized temperat…
China Rubber Expansion Joints factory and suppliers | Arex
Product Details: Rubber Expansion Joints are flexible connectors fabricated from natural or synthetic elastomers and fabrics with metallic reinforcements. They are designed to provide flexibility, absorb vibrations, and compensate for thermal expansion and contraction in piping systems. These joints are available in various sizes and can be customized for different applications. They are often used in industries such as chemical processing, power generation, and water treatment.
Pros:
– Provide flexibility and absorb vibrations in pipin…
– Compensate for thermal expansion and contraction
– Available in various sizes and customizable for di…
– Durable and resistant to various environmental con…
Cons:
– May degrade over time due to exposure to harsh che…
– Require periodic inspection and maintenance to ens…
– Can be more expensive than some other types of exp…
Low Price Flexible Rubber Expansion Joints Made in China
Product Details: Flexible rubber expansion joints are elastic connectors used to connect pipes, consisting of inner and outer rubber layers, reinforcement layers, and flanges. They are made from materials such as EPDM, NBR, CR, and IIR. The flanges are available in various standards including DIN, ANSI, BS, SABS, JIS, and KS. These joints are used in various industrial fields like petroleum, chemical, papermaking, power, and water treatment, and come in sizes from DN32 to DN3000. They are packaged in wooden cases or outer boxes.
Pros:
– Good flexibility and shock resistance, effectively…
– Excellent sealing performance, preventing leakage…
– Easy to install and maintain, with no need for com…
– Wide applicability, suitable for various pipeline…
Cons:
– No significant cons mentioned, but potential issue…
– May require periodic inspection to ensure the seal…
Metallic and rubber expansion joint
Product Details: The expansion joints offered by BESTOP include both metallic and rubber types. Key details include a size range of DN15-DN4000 (1/2”-160”), working temperatures from -15~80°C (-30~150°C), and working pressures of 6~40 bars (PN6~PN40). The test pressure is 1.5 times the working pressure, and the explosion pressure is 2 times the working pressure. These joints are applicable for various media such as air, water, sewage, sea water, acid, alkali, and oil. They allow for four-way movements and come with features like molded or hand-made bodies and optional PTFE liners. Materials include NR/EPDM/NBR/FKM/NEOPRENE for the outer/inner rubber, nylon cord fabric for the
frame, steel wire strand for the pressurized ring, and ductile iron/carbon steel/stainless steel for the flanges.
Pros:
– Versatile material options to suit different appli…
– Wide range of sizes and working pressures
– Ability to handle various types of media
– Allows for four-way movements
– Optional PTFE liners for enhanced durability
Cons:
– Complex installation may be required due to the ne…
– May not absorb axial displacement in certain confi…
China Customized Rubber Expansion Joint Suppliers …
Product Details: Rubber Expansion Joints are flexible connectors designed to absorb movement, vibration, and noise in piping systems. They feature a threaded connection for easy installation and maintenance. Made of durable rubber materials (NR/NBR/EPDM), they provide excellent resistance to various fluids and temperatures (-15~115℃, and up to -30~+250℃ for special conditions). They are suitable for water, sea water, hot water, air, compressed air, oil, acid, and alkali applications.
Pros:
– Easy Installation: Threaded connections make insta…
– Flexible Movement Absorption: These expansion join…
– Durable Construction: Made of high-quality rubber…
– Reduced Stress: By absorbing movement and vibratio…
– Versatile Applications: Suitable for a wide range…
Cons:
– Requires regular inspection for signs of wear, lea…
– Needs periodic cleaning to remove debris and conta…
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Expansion Joint, Rubber Lining: ZHW | Expansion Joint … | |||
| Rubber Expansion Joint Single Sphere – Nortech | Rubber Expansion Joint Single Sphere is a flexible connector consisting of natural or synthetic elas… | – Absorb movement – Improve thermal stability – Relieve system strain due to thermal change, load…… | www.nortech-v.com | |
| Rubber Joints Manufacturer in China – Lindas | Lindas manufactures a wide range of rubber joints, including single-sphere and double-sphere flexibl… | – High flexibility and durability – Customizable sizes and shapes – Suitable for diverse industrial… | – No specific information on cons available from the… – Potential for material limitations dependi… | lindasrubber.com |
| Rubber Expansion joint with tie rods – DEYE | www.deyepiping.com | |||
| Single Sphere Rubber Expansion Joint, China Threaded … | www.rubberexpansion-joint.com | |||
| China Rubber Expansion Joint Manufacturers – Convista | The Rubber Expansion Joint is composed of inner rubber, a rubber hose made up of multi-layer coating… | – Good flexibility and large range of expansion and… – Vibration absorption and noise reduction. -… | – Limited working pressure and explosion pressure co… – Special conditions may require customized… | www.convistafc.com |
| China Rubber Expansion Joints factory and suppliers | Arex | Rubber Expansion Joints are flexible connectors fabricated from natural or synthetic elastomers and… | – Provide flexibility and absorb vibrations in pipin… – Compensate for thermal expansion and contr… | – May degrade over time due to exposure to harsh che… – Require periodic inspection and maintenanc… |
| Low Price Flexible Rubber Expansion Joints Made in China | Flexible rubber expansion joints are elastic connectors used to connect pipes, consisting of inner a… | – Good flexibility and shock resistance, effectively… – Excellent sealing performance, preventing… | – No significant cons mentioned, but potential issue… – May require periodic inspection to ensure… | www.flexexpansionjoint.com |
| Metallic and rubber expansion joint | The expansion joints offered by BESTOP include both metallic and rubber types. Key details include a… | – Versatile material options to suit different appli… – Wide range of sizes and working pressures… | – Complex installation may be required due to the ne… – May not absorb axial displacement in certa… | www.bestopvalveindustry.com |
| China Customized Rubber Expansion Joint Suppliers … | Rubber Expansion Joints are flexible connectors designed to absorb movement, vibration, and noise in… | – Easy Installation: Threaded connections make insta… – Flexible Movement Absorption: These expans… | – Requires regular inspection for signs of wear, lea… – Needs periodic cleaning to remove debris a… | www.ametekiron.com |
Frequently Asked Questions (FAQs)
What are Rubber Expansion Joints used for?
Rubber Expansion Joints are designed to absorb movement, vibration, and noise in piping systems. They help reduce stress on piping components, prevent leaks and failures, and ensure smooth operation of the system. These joints are versatile and can be used in various industrial applications, including water treatment, petroleum, chemical, and power industries, to manage pipeline dynamics effectively.
What materials are Rubber Expansion Joints made of?
Rubber Expansion Joints are typically made from durable rubber materials such as EPDM, NBR, CR, IIR, and sometimes specialized materials like Viton. The inner and outer rubber layers are often reinforced with materials like nylon cord fabric and steel wire for added strength. The flanges can be made from carbon steel, stainless steel, or ductile iron to ensure compatibility with different pipe materials.
How do I install and maintain Rubber Expansion Joints?
Installing Rubber Expansion Joints is relatively straightforward due to their threaded or flanged connections. Make sure to tighten the installation bolts symmetrically and gradually to prevent local leakage. For maintenance, regular inspection for signs of wear, leaks, or damage is crucial. Clean the joints periodically to remove debris and contaminants that can affect performance. Also, ensure the pipeline has fixed supports or brackets to prevent the joint from being pulled off under pressure.
What are the temperature and pressure ratings for Rubber Expansion Joints?
The temperature and pressure ratings for Rubber Expansion Joints vary depending on the specific product and application. Generally, they can operate within a temperature range of -15°C to 115°C, and in special conditions, up to -30°C to +250°C. Pressure ratings can go up to 25 bar (362 psi) or PN16, depending on the manufacturer and the specific design of the joint.
Can I get customized Rubber Expansion Joints for my specific needs?
Yes, you can get customized Rubber Expansion Joints tailored to your specific requirements. Many Chinese manufacturers offer customized solutions, including different dimensions (up to DN 5000), materials, and designs. They can also provide solutions that meet various international standards such as DIN, ANSI, BS, and more. Just consult with the manufacturer to ensure the product meets your operational and economic needs.
