Expansion Joints JN | High-Quality Rubber & Metal Expansion Joints Manufacturer

About JINGNING®

For over 20 years, industrial pipeline construction applications across the globe have relied on flexible pipe connections by JINGNING® — specialists in high-quality expansion joints for demanding environments.

As a CE-certified manufacturer with a decade of OEM and ODM experience, we deliver precision-engineered solutions that meet international standards. Our mission is simple: to exceed benchmarks in durability, performance, and reliability.

20+

Years Experience

10+

OEM/ODM Projects

Certified

Global

Reach

Our Featured Products

Precision-engineered expansion joints and flexible connectors for industrial, commercial, and municipal applications.

PTFE Expansion Joint 150 Psi P

Chemically resistant PTFE-lined joint rated for high pressure and extreme temperatures.

High-Pressure | Chemical Resistant

DN50 EPDM Single Sphere Rubber

Flexible single sphere joint made from EPDM rubber for water and HVAC systems.

EPDM | Single Sphere | DN50

RFJH Rubber Metal Pipe Connect

Reinforced flanged joint with metal inserts for high-strength pipeline connections.

Reinforced | Flanged | High Strength

DN20 Stainless Steel Screwed U

Compact U-shaped connector with stainless steel threads for tight-space installations.

Stainless Steel | Screwed | DN20

EPDM Rubber Flexible Joints With Flange

Flanged rubber joints made from EPDM for vibration isolation and thermal expansion.

EPDM | Flanged | Vibration Dampening

Stainless Steel Flanges of Single Sphere

High-grade stainless steel flanges designed for single sphere rubber expansion joints.

Stainless Steel | Flange Set | Corrosion Resistant

Single Sphere Rubber Expansion Joint

Standard single sphere design for axial, lateral, and angular movement compensation.

Axial/Lateral Compensation | Durable

Reduced Rubber Joint High Temp

High-temperature resistant reduced bore joint for compact thermal expansion control.

High Temp | Reduced Bore | Compact

Metal Expansion Joint

Stainless steel bellows expansion joint for high-pressure steam and gas pipelines.

Metal Bellows | High Pressure | Steam

Dismantling Joint

Quick-disconnect joint for easy maintenance and replacement in pipeline systems.

Quick Disconnect | Maintenance Friendly

Rubber Duckbill Valve

Check valve with duckbill design for backflow prevention in drainage and sewage systems.

Backflow Prevention | Sewage | Drainage

Flexible Pipe Connector

Universal flexible connector for misalignment correction and vibration absorption.

Misalignment Correction | Vibration Absorption

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Why Choose JINGNING®?

Engineered for performance, durability, and peace of mind in the most demanding industrial environments.

CE Certified

Manufactured under strict quality control with full CE certification for international compliance.

20+ Years Expertise

Trusted by global clients with two decades of experience in pipeline flexibility solutions.

OEM/ODM Support

Custom design and manufacturing services available for unique project requirements.

Global Supply

Reliable logistics and export support to serve clients across continents.

Frequently Asked Questions

Everything you need to know about our expansion joints and services.

Why do we need expansion joints?

Expansion joints absorb thermal expansion and contraction in piping systems, reduce vibration, and compensate for misalignment. They prevent stress on pipes, equipment, and supports, ensuring system longevity and safety.

What materials are used in your rubber joints?

We use high-quality EPDM, NBR, and PTFE-lined rubber compounds depending on application requirements such as temperature, pressure, and chemical exposure.

Are your products CE certified?

Yes, JINGNING is a CE-certified manufacturer, ensuring our expansion joints meet European safety and quality standards.

Do you offer custom OEM/ODM services?

Yes, with over 10 years of OEM and ODM experience, we can customize designs, sizes, materials, and flange standards to meet your exact specifications.

What is the common failure mode of rubber expansion joints?

Common failures include ozone cracking, chemical degradation, overpressure, excessive movement beyond design limits, and improper installation. We provide technical guidance to prevent such issues.

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Engineered Flexibility
for Industrial Pipelines

About JINGNING®