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Rubber soft joint

Product Overview

The rubber soft joint is composed of fabric reinforced rubber parts and flat joints, metal flanges or threaded pipe flanges. It is used for vibration isolation, noise reduction and displacement compensation of pipes.
Rubber soft joint has the advantages of reducing pipe noise, good sealing, light weight, convenient installation and maintenance, long service life and so on.
The rubber soft joint can solve all kinds of pipe migration through the mouth, axial expansion and different concentricity role, its use is commonly used in civil construction water supply and drainage engineering, fire pipe network pump room unit pipeline to undertake, sewage treatment pipeline connection, high pressure gas liquefaction medium transport, petroleum, ships and so on.

Structural characteristics

1. The valve body adopts full channel and streamlined design, with small fluid resistance and large flow rate.
2. The joint of body, cover and piston rod is sealed by sealing gasket and sealing ring with no leakage.
3. Valve body, piston cylinder, piston double guide, smooth and reliable movement.
4. All stainless steel piston cylinder, monolithic cast piston, NBR sealing ring.The perfect combination greatly extends the service life.
5. Removable valve seat with advanced technology, with clever structure, novel conception and convenient maintenance and replacement.
6. The piston cylinder with diversion holes can increase the resistance properly to make the piston motion more stable.

Execution standard

Flange standard: GB/T17241.6\API 598 GB/T 9113
Test standard: GB/T13927

Performance parameter

Nominal diameter: DN40~ 500mm
Nominal pressure: PN1.0~ 2.5mpa
Applicable temperature: -15~+115℃ special up to -30 ~+ 250℃
Applicable medium: air, compressed air, water, seawater, hot water, oil, acid, Shouting, etc
Main material: rubber

Product Dimensions

DN

NPS

length(mm)

Flange thickness(mm)

Bolt Number

Bolt hole diameter(mm)

Bolt hole center

Axial displacement

Lateral displacement mm

Deflection angle (a1+a2)

diameter C
Elongation
Compress

40

1.5

150

18

4

18

no

10


20

30°

50

2

150

20

4

18

125

10

20

20

30°

65

1.5

150

20

4

18

145

10

20

20

30°

80

3

150

20

8

18

160

10

20

20

30°

100

4

200

22

8

18

180

15

30

25

30°

125

5

200

22

8

18

210

15

30

25

30°

150

6

200

24

8

22

240

15

30

25

30°

200

8

200

24

8

22

295

20

40

30

30°

250

10

200

26

12

22

350

20

40

30

30°

300

12

200

26

12

22

400

20

40

30

30°

350

14

225

26

16

22

460

20

40

30

30°

400

16

225

26

16

26

515

20

40

30

30°

450

18

260

28

20

26

565

25

45

30

30°

500

20

260

28

20

26

620

25

45

30

30°

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