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Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
JINGNING Specialized In Rubber Expansion Joints
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High Pressure Resistant Flexible Expansion Joints In Piping Customized

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Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.

City: zhengzhou

Province/State:shandong

Country/Region:china

Tel:86-150-93112546

Contact Person:
Mr.Wu
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High Pressure Resistant Flexible Expansion Joints In Piping Customized

Brand Name JINGNING
Model Number RLJS
Certification CE,ISO
Place of Origin China
Minimum Order Quantity 1
Price US$15.2~51.8/pc
Payment Terms Western Union,T/T,L/C,D/A,D/P,MoneyGram
Supply Ability 10000 sets per week
Delivery Time 5--15 working days
Packaging Details carton or wooden
Product name High Pressure Resistant Flexible Expansion Joints In Piping Customized
Working pressure -0.2~4.5Mpa
Keyword Flexible Expansion Joints
Material EPDM,NBR,NR, CR, SBR...
Size DN300
Flange Standard DIN/ANSI/JIS/BS
Certificates CE, ISO, MTC, COO, QC
Brand JINGNING or OEM
Detailed Product Description

High Pressure Resistant Flexible Expansion Joints In Piping Customized


Product Description

High Pressure Resistant Flexible Expansion Joints in Piping Customized are specially engineered to absorb vibration, reduce noise, and compensate for thermal expansion, axial movement, lateral displacement, and angular deflection in high-pressure pipeline systems. Manufactured with premium rubber materials, reinforced synthetic fabric layers, and optional steel wire reinforcement, these expansion joints provide excellent pressure resistance, durability, corrosion resistance, and long service life under demanding operating conditions. Customized designs are available according to pipeline size, working pressure, temperature, flange standards, and media requirements to ensure perfect compatibility with different industrial systems. The flexible structure helps protect pumps, valves, compressors, and piping equipment from stress damage caused by pressure fluctuations and mechanical movement. Widely used in water treatment plants, chemical industries, HVAC systems, marine engineering, power stations, and industrial fluid transportation pipelines, these customized flexible expansion joints offer reliable sealing performance, stable operation, and enhanced safety for various piping applications.

Performance characteristics

1. Flexibility: Accommodates axial, lateral, and angular movements.
2. Durability: Reinforced Bellows Expansion provides long-lasting performance.
3. Corrosion Resistance: Resists aggressive environments and chemicals.
4. Noise & Vibration Reduction: Dampens vibrations and shock waves.
5. Ease of Installation & Maintenance: Compact design and standard flange connections facilitate installation and upkeep.


Product Specification

SizeLengthAllowable Movements in Operation
mminchmmAxial Compression mmAxial Extension
mm

Transverse Movement

mm

Angular Deflection mm
251130/15220121415°
321 1/495/130/15220121415°
401 1/295/130/15220121415°
502105/130/15220121415°
652 1/2115/130/15220121415°
803130/135/15220121415°
1004130/15220121415°
1255130/152/16520121415°
1506130/152/18520121415°
2008130/152/21020121415°
25010130/203/23020121415°
30012130/203/24525162215°
35014200/25525162215°
40016200/25525162215°
45018200/25525162215°
50020200/25525162215°
6002426025162215°
7002826025162215°
8003226025162215°
9003626025162215°
100040260/30025162415°
11004430025162415°
12004830025162415°

Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering


Product Details

Production Flow


1.Raw material

Top level CR/EPDM/NBR

rubber raw materials,

No recycled rubber

2.Plasticating and mixing

Special Formulation for better Bending with Nylon,For Better Strength,Sealing

3.Workblanks wraping

Cooper plated steel wire reinforcement prevent pull off


4.Vulcanizing

Automatic vulcanization machine ensure vulcanization time and pressure

5.Inspecting
100% strict inspection is to be responsible for consumers

6. Packaging
Protective Packaging for No
Rust and Breakage


Application


Flexible Expansion Joints are widely used in various fields, including construction, chemical industry, shipbuilding, tap water, gas, chemical pipelines, petroleum pipelines, food pipelines, air conditioning pipelines, and sewage treatment.


Our Services

1.24-hour online

2.Free samples provided

3.Support customization

4.Provide drawings

5.Multiple payment styles to choose from

6.Factory inspection (material, specifications, quantity, pressure, packaging)

7.Long warranty period

8.Suitable packaging for transportation


Our Customer


Certificate

FAQ

Q1:What’s the material of Flexible Expansion Joints?

A1:The material can be EPDM,NBR,CR,SBR..It depends on the working condition.


Q2:What’s the warranty period of Flexible Expansion Joints?

A2:We provide 18 months’ warranty.


Q3:What’s the working temperature of Flexible Expansion Joints?

A3:The working temperature is -20℃~100℃.


Q4:What’s the package of Flexible Expansion Joints?

A4:The package is carton box and strong plywooden case.

Product Tags: high pressure resistant rubber expansion joint   flexible single sphere expansion joint   customized piping expansion joint  
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