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NHFLEX-B
Ninghao
NHFLEX-B TYPE Flanged Double Sphere Flexible Rubber Expansion Joints Pipe Connector Rubber Compensator
The Double Sphere Rubber Expansion Joint Flexible Connector is an essential component designed to ensure the flexibility and durability of industrial pipeline systems. Primarily used in various industrial settings, it helps absorb movement, minimize vibration, and compensate for misalignment, all while contributing to smoother operation and extended service life of pipelines. This product is a reliable solution for managing thermal expansion, vibration control, and misalignment in piping systems.
Constructed with premium rubber materials such as NR, EPDM, NBR, and FKM, the double sphere rubber expansion joint offers excellent corrosion resistance, chemical stability, and high performance under extreme temperature conditions. It is ideal for use in both sea water and drinking water applications, among others, and is available in multiple flange standards, including DIN, JIS, GOST, and ANSI.
Superior Corrosion Resistance
The high-quality rubber compounds used ensure outstanding resistance to corrosion, making it perfect for use in water, oil, and gas pipelines. This feature is particularly useful in environments where long-lasting durability is required.
Enhanced Flexibility and System Protection
Its double-sphere design enables the expansion joint to absorb stresses caused by thermal expansion, vibration, and pipeline displacement. This design ensures the integrity of your pipeline system, preventing damage and extending its service life.
Vibration Absorption & Noise Reduction
The double sphere design minimizes vibration and reduces noise levels, creating a quieter and more stable operating environment. This is essential for industries where noise control is crucial for both system efficiency and employee comfort.
Simple Installation and Low Maintenance
Designed for ease of installation, the flexible connector requires minimal maintenance, significantly reducing downtime and service costs. Its user-friendly design ensures quick setup without the need for complicated equipment or expertise
| Max.Working Pressure | 2.5Mpa | |||||
| Operating Temperature | -20ºC-100ºC | |||||
| Vacuum KPa (mmHg) | 44.9(350) | |||||
| Applicable Media | Sea Water, Drinking Water, etc. | |||||
| Flange Standard | DIN, JIS, GOST, ANSI, etc. | |||||
| Item | Part | Material |
| 1 | Body Outer Layer | NR, EPDM, NBR, FKM |
| 2 | Body lnner Layer | NR, EPDM, NBR, FKM |
| 3 | Reinforced Fabric | Nylon |
| 4 | Wire | Steel |
| 5 | Flange | Zinc Plated/Sprayed CS, SS304, SS316, Cast Steel |
| SIZE | LENGTH | Movemont Capablllty | |||||||
| DN | F/F | Comp. | Ext. | Lateral | Angular | ||||
| (mm) | (mm) | (mm) | (mm) | (mm) | (degree) | ||||
| 40 | 175 | 10 | 20 | 20 | 30 | ||||
| 50 | 175 | 10 | 20 | 20 | 30 | ||||
| 65 | 175 | 10 | 20 | 20 | 30 | ||||
| 80 | 175 | 10 | 20 | 20 | 30 | ||||
| 100 | 225 | 15 | 30 | 25 | 30 | ||||
| 125 | 225 | 15 | 30 | 25 | 30 | ||||
| 150 | 225 | 15 | 30 | 25 | 30 | ||||
| 200 | 325 | 20 | 40 | 30 | 30 | ||||
| 250 | 325 | 20 | 40 | 30 | 30 | ||||
| 300 | 325 | 20 | 40 | 30 | 30 | ||||
| 350 | 350 | 20 | 40 | 30 | 30 | ||||
| 400 | 350 | 20 | 40 | 30 | 30 | ||||
| 450 | 350 | 25 | 45 | 30 | 30 | ||||
| 500 | 350 | 25 | 45 | 30 | 30 | ||||
| 600 | 350 | 25 | 45 | 30 | 30 | ||||
Rated pressure in the above table is the maximum "working pressure". Test pressure is 1.5 times "working pressure", Burst pressure is 4 times "work pressure".
Expert Manufacturing: With years of experience in rubber expansion joints, we provide high-quality, customized products that meet industrial standards and requirements.
Reliability & Durability: Our products are engineered to withstand extreme conditions, ensuring your pipeline systems are safe, stable, and efficient.
Global Reach: Serving industries across the world with fast and reliable delivery. No matter where you are, we provide top-notch service.
Cost-Effective: Low maintenance costs, durable performance, and reduced downtime all contribute to the affordability of our products over time.
A: This product is primarily used in industrial pipelines to absorb movement, manage vibration, and compensate for misalignment. It improves pipeline performance and extends service life.
A: The double sphere design allows for enhanced flexibility and stress distribution, ensuring that axial, lateral, and angular movements are absorbed without damaging the pipeline.
A: Yes, our rubber expansion joints offer excellent chemical resistance, making them suitable for use in a wide range of industrial applications, including chemical processing.
A: The design of the double sphere helps absorb vibration and minimize noise, creating a more stable and quieter environment for industrial operations.
A: Yes, we offer customization in terms of size, material specifications, and flange standards to suit different industrial needs.
The Double Sphere Rubber Expansion Joint Flexible Connector is a highly durable, flexible, and efficient solution for any industrial pipeline system requiring vibration absorption, thermal expansion management, and misalignment compensation. With its corrosion-resistant materials, ease of installation, and low maintenance, it ensures your system runs smoothly for years to come.
Whether for water treatment plants, chemical processing, or marine engineering, this product guarantees reliable, long-term performance, making it the perfect addition to any industrial setup.
NHFLEX-B TYPE Flanged Double Sphere Flexible Rubber Expansion Joints Pipe Connector Rubber Compensator
The Double Sphere Rubber Expansion Joint Flexible Connector is an essential component designed to ensure the flexibility and durability of industrial pipeline systems. Primarily used in various industrial settings, it helps absorb movement, minimize vibration, and compensate for misalignment, all while contributing to smoother operation and extended service life of pipelines. This product is a reliable solution for managing thermal expansion, vibration control, and misalignment in piping systems.
Constructed with premium rubber materials such as NR, EPDM, NBR, and FKM, the double sphere rubber expansion joint offers excellent corrosion resistance, chemical stability, and high performance under extreme temperature conditions. It is ideal for use in both sea water and drinking water applications, among others, and is available in multiple flange standards, including DIN, JIS, GOST, and ANSI.
Superior Corrosion Resistance
The high-quality rubber compounds used ensure outstanding resistance to corrosion, making it perfect for use in water, oil, and gas pipelines. This feature is particularly useful in environments where long-lasting durability is required.
Enhanced Flexibility and System Protection
Its double-sphere design enables the expansion joint to absorb stresses caused by thermal expansion, vibration, and pipeline displacement. This design ensures the integrity of your pipeline system, preventing damage and extending its service life.
Vibration Absorption & Noise Reduction
The double sphere design minimizes vibration and reduces noise levels, creating a quieter and more stable operating environment. This is essential for industries where noise control is crucial for both system efficiency and employee comfort.
Simple Installation and Low Maintenance
Designed for ease of installation, the flexible connector requires minimal maintenance, significantly reducing downtime and service costs. Its user-friendly design ensures quick setup without the need for complicated equipment or expertise
| Max.Working Pressure | 2.5Mpa | |||||
| Operating Temperature | -20ºC-100ºC | |||||
| Vacuum KPa (mmHg) | 44.9(350) | |||||
| Applicable Media | Sea Water, Drinking Water, etc. | |||||
| Flange Standard | DIN, JIS, GOST, ANSI, etc. | |||||
| Item | Part | Material |
| 1 | Body Outer Layer | NR, EPDM, NBR, FKM |
| 2 | Body lnner Layer | NR, EPDM, NBR, FKM |
| 3 | Reinforced Fabric | Nylon |
| 4 | Wire | Steel |
| 5 | Flange | Zinc Plated/Sprayed CS, SS304, SS316, Cast Steel |
| SIZE | LENGTH | Movemont Capablllty | |||||||
| DN | F/F | Comp. | Ext. | Lateral | Angular | ||||
| (mm) | (mm) | (mm) | (mm) | (mm) | (degree) | ||||
| 40 | 175 | 10 | 20 | 20 | 30 | ||||
| 50 | 175 | 10 | 20 | 20 | 30 | ||||
| 65 | 175 | 10 | 20 | 20 | 30 | ||||
| 80 | 175 | 10 | 20 | 20 | 30 | ||||
| 100 | 225 | 15 | 30 | 25 | 30 | ||||
| 125 | 225 | 15 | 30 | 25 | 30 | ||||
| 150 | 225 | 15 | 30 | 25 | 30 | ||||
| 200 | 325 | 20 | 40 | 30 | 30 | ||||
| 250 | 325 | 20 | 40 | 30 | 30 | ||||
| 300 | 325 | 20 | 40 | 30 | 30 | ||||
| 350 | 350 | 20 | 40 | 30 | 30 | ||||
| 400 | 350 | 20 | 40 | 30 | 30 | ||||
| 450 | 350 | 25 | 45 | 30 | 30 | ||||
| 500 | 350 | 25 | 45 | 30 | 30 | ||||
| 600 | 350 | 25 | 45 | 30 | 30 | ||||
Rated pressure in the above table is the maximum "working pressure". Test pressure is 1.5 times "working pressure", Burst pressure is 4 times "work pressure".
Expert Manufacturing: With years of experience in rubber expansion joints, we provide high-quality, customized products that meet industrial standards and requirements.
Reliability & Durability: Our products are engineered to withstand extreme conditions, ensuring your pipeline systems are safe, stable, and efficient.
Global Reach: Serving industries across the world with fast and reliable delivery. No matter where you are, we provide top-notch service.
Cost-Effective: Low maintenance costs, durable performance, and reduced downtime all contribute to the affordability of our products over time.
A: This product is primarily used in industrial pipelines to absorb movement, manage vibration, and compensate for misalignment. It improves pipeline performance and extends service life.
A: The double sphere design allows for enhanced flexibility and stress distribution, ensuring that axial, lateral, and angular movements are absorbed without damaging the pipeline.
A: Yes, our rubber expansion joints offer excellent chemical resistance, making them suitable for use in a wide range of industrial applications, including chemical processing.
A: The design of the double sphere helps absorb vibration and minimize noise, creating a more stable and quieter environment for industrial operations.
A: Yes, we offer customization in terms of size, material specifications, and flange standards to suit different industrial needs.
The Double Sphere Rubber Expansion Joint Flexible Connector is a highly durable, flexible, and efficient solution for any industrial pipeline system requiring vibration absorption, thermal expansion management, and misalignment compensation. With its corrosion-resistant materials, ease of installation, and low maintenance, it ensures your system runs smoothly for years to come.
Whether for water treatment plants, chemical processing, or marine engineering, this product guarantees reliable, long-term performance, making it the perfect addition to any industrial setup.
Compensating for Thermal Expansion and Contraction: Rubber expansion joints compensate for thermal expansion and contraction caused by temperature variations in the pipeline. They prevent excessive stress on the pipeline system due to temperature changes, thereby protecting the pipes from damage.
Rubber expansion joints absorb stresses caused by vibrations and impacts in the pipeline system, reducing the transmission of vibrations and noise. This helps protect the pipeline and related equipment from damage.
During installation and operation, pipeline systems may experience certain degrees of pipe movement. Rubber expansion joints compensate for these movements, ensuring the proper functioning of the pipeline system.
Rubber expansion joints provide sealing performance in pipeline systems, reducing the risk of leaks and ensuring the safe operation of the pipelines.

Compensating for Thermal Expansion and Contraction: Rubber expansion joints compensate for thermal expansion and contraction caused by temperature variations in the pipeline. They prevent excessive stress on the pipeline system due to temperature changes, thereby protecting the pipes from damage.
Rubber expansion joints absorb stresses caused by vibrations and impacts in the pipeline system, reducing the transmission of vibrations and noise. This helps protect the pipeline and related equipment from damage.
During installation and operation, pipeline systems may experience certain degrees of pipe movement. Rubber expansion joints compensate for these movements, ensuring the proper functioning of the pipeline system.
Rubber expansion joints provide sealing performance in pipeline systems, reducing the risk of leaks and ensuring the safe operation of the pipelines.









No.2 Taishan Road, Development Zone, Ningjin County, Shandong Province
Phone: +86-15806526381
+86-18561954252
Skype: rubberjoint1
Email: njninghaojixie@163.com