• Material: Carbon Steel
• Technics: Forged
• Type: Flange
• Place of Origin: Henan, China (Mainland)
• Model Number: GJQ(X)
• Brand Name: HENAN LIWEI
• Connection: Flange
• Shape: Equal
• Head Code: round
• name: Henan Liwei brand rubber expansion joint
• material: rubber and carbon steel
• color: rubber black
• medium: gas,oil,water,seawater,acid,alkali
• application: chemistry,thermal power,nuclear power
• raw mateial: IIR,NBR,CR,EPDM
• PN: >0.1Mpa

1.expansion joint  introduction: 

1) Expansion joint can greatly reduce pipeline system shock and noise. And can fundamentally resolve pipe joints 

displacement, axial stretch and non-concentricity.

2) By using different materials, it can be made many kinds to cater for different medium and environment. Such as 

acid resistance, alkali resistance, corrosion resistance, oil resistance and heat resistance etc.

3)The material is pure rubber, sealing is very good. It is in light weight, very easy for installation . This product

 has long life performance, but must be not contact with sharp metal instruments to avoid piercing the sphere. 

4)Expansion joint can be used for lift and transportation of raw water and sewage,transportation of water supply

 cooling cycle water thermal power ,condensatewater of metallurgy industry and chemical industry.

 

2.classification:

(1)according to appearence: concrentric with diameter expansion joint,concentric reducer expansion joint,eccentic

reducer expansion joint.
(2)according ro the structure:single ball flexible expansion joint,double sphere expansion joint,spheres rubber

expansion joint,elbow sphere expansion joint.
(3)according to the link the form:flange coupling expansion joint,threaded expansion joint