single arch rubber expansion bellows

Update£º2013/5/19 10:40:46      Click£º
  • Brand   Liwei
  • Model   
  • Description

    1.imported rubber raw material 2.DN25mm-DN3600mm 3.5000MM*15000MM vulcanizing bulk 4.the member o...

Product Introduction

1.Rubber expansion bellows introduction: 

a.Rubber expansion bellows can greatly reduce pipeline system shock and noise. And can fundamentally resolve pipe joints

displacement, axial stretch and non-concentricity.

b.By using different materials, rubber expansion bellows 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.

c.The material is pure rubber, sealing is very good. It is in light weight, very easyfor installation . 

This product has long life performance, but must be not contact with sharp metal instruments to avoid

piercing the sphere. 

d.Rubber expansion bellows can be used for lift and transportation of raw water and sewage,transportation of water supply

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

 

2.Classification of  rubber expansion bellows:
(1)according to appearence: concrentric with diameter bellows,concentric ubber bellows,eccenic expansion bellows
(2)according ro the structure:single ball flexible rubber bellows,double sphere expansion bellows,spheres rubber bellows,elbow sphere rubber expansion bellows.
(3)according to the link  the form:flange rubber bellows ,threaded rubber expansion bellows

 

3.Physical and Mechanical Properties Form:

No

Item

Index

Test value

Inner rubber

Outer rubber

1

¡İTensile strength(MPa)

12

13

13.6

2

¡İBreak strength (%)

450

500

564

3

¡ÜBreak permanent deformation (%)

25

30

22

4

¡ÜBrittleness temperature(¡æ)

-30

-30

-40

5

¡İViscosity(KN/m)

2.0

2.0

5.6

6

Aging hot air   (100¡æ¡Á48h)

Tensile strength change (%)

+25~-25

+25~-25

20

Tensile rate change (%)

+10~-30

+10~-30

5

7

¡İAcid resistant10%H2SO4¡Á168h

0.7

0.7

0.85

 

 

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