China Single Sphere Rubber Expansion Joint manufacturer
Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
JINGNING Specialized In Rubber Expansion Joints
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Single Sphere EPDM NBR CR Expand Joint Flange Type Pipe Vibration Isolators

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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
View Contact Details

Single Sphere EPDM NBR CR Expand Joint Flange Type Pipe Vibration Isolators

Model Number RLJS
Burst Pressure 6.0Mpa, 1.6Mpa
Certification CE,ISO
Payment Terms Western Union,T/T,L/C,D/A,D/P,MoneyGram
Product name Single Sphere EPDM NBR CR Expand Joint Flange Type Pipe Vibration Isolators
Working Temperature 100℃
Price US$16.3~55.1/pc
Working pressure -0.2~4.5Mpa
Supply Ability 10000 sets per week
OEM Support, 20Years' experience
Minimum Order Quantity 1
Delivery Time 5--15 working days
Material EPDM,NBR,NR, PTFE, CR
Keyword Pipe Vibration Isolators
Packaging Details carton or wooden
Brand Name JINGNING
Size DN250
Place of Origin China
Detailed Product Description

Single Sphere EPDM NBR CR Expand Joint Flange Type Pipe Vibration Isolators


Product Description

Single Sphere EPDM NBR CR Expand Joint Flange Type Flexible Bellows is a high-performance rubber expansion joint designed to provide excellent flexibility, vibration absorption, and noise reduction in industrial piping systems. The single sphere structure allows effective compensation for thermal expansion, axial compression, lateral movement, and angular displacement, helping protect pumps, valves, and pipelines from mechanical stress and operational damage. Manufactured with premium EPDM, NBR, or CR rubber materials, the flexible bellows can be selected according to different working environments and media requirements. EPDM is suitable for hot water, steam, and chemical resistance applications; NBR offers superior resistance to oil and petroleum-based media; while CR (Neoprene) provides excellent weather, ozone, seawater, and abrasion resistance. The flange type connection ensures easy installation and compatibility with international standards such as ANSI, DIN, JIS, and BS. Widely used in water treatment systems, HVAC projects, marine engineering, chemical plants, and industrial pipeline systems, this flexible bellows expansion joint delivers reliable sealing performance, durability, and long service life under demanding operating conditions.


Performance characteristics

1. Flexibility: Accommodates axial, lateral, and angular movements.
2. Durability: Pipe Vibration Isolators 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


Pipe Vibration Isolators 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 Pipe Vibration Isolators?

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


Q2:What’s the warranty period of Pipe Vibration Isolators?

A2:We provide 18 months’ warranty.


Q3:What certificates can you provide of Pipe Vibration Isolators?

A3:We could provide CE,ISO certificate.


Q4:Can we get a sample of Pipe Vibration Isolators?

A4:Yes,we could provide samples for you to test the quality.

Product Tags: Single Sphere EPDM rubber expansion joint   Flange type pipe vibration isolators   NBR CR expand joint with warranty  
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