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Stainless Steel SUS304 SUS316L SS321 Buried Type Expansion Joint
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Stainless Steel SUS304 SUS316L SS321 Buried Type Expansion Joint

We are a professional manufacture which produce expansion joint, flexible metal hose for 20 more years in China. There're kinds of expansion joint such as universal expansion joint,lateral expansion joint,buried type expansion joint,fabric expansion joint etc , which widely used in the fields of petroleum,chemical industry,aerospace,smelt,building,
mechanical and so on.
Availability:
Quantity:
  • DN25~DN1300
  • Fustar
  • 83071000

Buried Type Expansion Joint

The buried type expansion joint is mainly used for axial compensation of buried pipelines and has the capability of bending resistance. Therefore, the impact of pipeline sinking can be ignored, and it has the characteristics of large compensation and long service life. The direct-buried expansion joint compensation shell and the guide sleeve can be free expansion compensation under protection,and the other performances are the same as those ordinary bellows expansion joint.

Buried type expansion joint 直埋式波纹膨胀节_副本_副本

14.直埋外压式_副本

Buried Type Expansion Joints

Structure Diagram 

NO

ITEMS

MATERIALS


NO

ITEMS

MATERIALS

1

Short

connection tube

Carbon steel

8

Long

connection tube

Carbon steel

2

Left ring plate

Carbon steel

9

Middle

connection tube

Carbon steel

3

Inner sleeve

SS304/Carbon steel

10

Right ring plate

Carbon steel

4

Shell

Carbon steel

11

Graphite packing

Graphite

5

Guide plate

Carbon steel

12

Shield ring

Carbon steel

6

Outer

connection tube

Carbon steel

13

Compaction ring

Carbon steel

7

Bellow

SS304/SS316L/SS321

14

Fixed plate

Carbon steel


Technique Parameter

Normal Diameter

Length

Axial Movements

Axial Stiffness

 Joint Size

 D X S

Radial Max. Size D1

 Working Pressure

   mm

mm

mm

N/mm

mm

mm

Mpa

100

600

60~90

74~112

Ø108X4

270

0.25~2.5

150

750

70~110

82~120

Ø159X4.5

370

0.25~2.5

200

780

70~130

85~125

Ø219X6

400

0.25~2.5

250

780

70~130

93~132

Ø273X8

470

0.25~2.5

300

850

80~130

95~142

Ø325X8

550

0.25~2.5

350

780

80~130

98~151

Ø377X8

650

0.25~2.5

400

850

80~130

104~170

Ø426X10

680

0.25~2.5

500

900

80~130

110~180

Ø529X10

750

0.25~2.5

600

1100

100~150

120~205

Ø630X10

800

0.25~2.5

700

1100

100~150

125~210

Ø720X12

1200

0.25~2.5

800

1100

100~150

130~215

Ø820X12

1300

0.25~2.5

900

1200

110~160

135~230

Ø920X12

1400

0.25~2.5

1000

1200

110~160

138~242

Ø1020X12

1500

0.25~2.5

Theyre the regular sizes above, we can design and produce according to users detail required sizes and conditions.


Application of Buried Expansion Joint

Burying type expansion joint are mainly used for absorbing axial movement in burying duct line caused by thermal expansion and compression. And the burying expansion joints has good performance characters, such as soil pressure resistance, self-direction, good fatigue and maintenance free etc. 

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Taizhou Fustar Trade Co,.Ltd

Add: City East Development Zone,Jiangyan Area,Taizhou City, Jiangsu Province, China
Mobile(WhatsApp): 86-17321605009
Tel: 86-523-88588220
Fax: 86-523-88588220
Email: sales@jsbellows.com
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