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 Expansion Joint Plumbing

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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 Expansion Joint Plumbing

Model Number RLJS
Burst Pressure 1.0Mpa, 6.0Mpa, 25Mpa
Supply Ability 10000 sets per week
OEM Support, 20Years' experience
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 Expansion Joint Plumbing
Working Temperature -20~110℃
Price US$16.8~55.1/pc
Working pressure -0.2~4.5Mpa
Minimum Order Quantity 1
Delivery Time 5--15 working days
Material EPDM,NBR,NR, PTFE
Factory Manufacturer
Packaging Details carton or wooden
Keyword Expansion Joint Plumbing
Brand Name JINGNING
Size DN600
Place of Origin China
Detailed Product Description

Single Sphere EPDM NBR CR Expand Joint Flange Type Expansion Joint Plumbing


Product Description

Single sphere flange type expansion joints are essential flexible connectors for plumbing and industrial piping systems. Manufactured with premium EPDM, NBR and CR rubber materials and reinforced multi-layer cord fabric with built-in steel wire rings, these plumbing expansion joints feature excellent pressure resistance, flexibility and structural stability. Equipped with standard flanged ends, they enable fast installation, reliable sealing and perfect pipe alignment for various plumbing projects.
Different rubber formulas meet diverse medium requirements: EPDM for hot and cold water, seawater and weak acid-base fluid; NBR for mineral oil, diesel and hydraulic oil; CR for compressed air and general plumbing media. The single-sphere flexible structure effectively absorbs thermal expansion displacement, compensates installation errors, isolates pump vibration, reduces pipeline operating noise and buffers water hammer impact. Widely used in HVAC systems, domestic water plumbing, municipal water supply and industrial piping facilities, customized sizes and pressure grades are available.

Performance characteristics

1. Flexibility: Accommodates axial, lateral, and angular movements.
2. Durability: Expansion Joint Plumbing 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


Expansion Joint Plumbing 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 Expansion Joint Plumbing?

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


Q2:What’s the warranty period of Expansion Joint Plumbing?

A2:We provide 18 months’ warranty.


Q3:What certificates can you provide of Expansion Joint Plumbing?

A3:We could provide CE,ISO certificate.


Q4:Can we get a sample of Expansion Joint Plumbing?

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

Product Tags: Single Sphere EPDM expansion joint   Flange type rubber expansion joint   NBR CR plumbing expansion joint  
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