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Double Arch Type

  • Product Name:  Double Arch Type
  • Product Details:  Double Arch Type

Content:

This page including the Details and price list.

GYLDT normal products including following items, any other items available upon request, contact GYLDT for more information.

 

Double Arch Rubber Expansion Joint

Double arch rubber joints, also known as double sphere rubber joints, are designed for piping systems to absorb pipe movements, relieve stress, reduce system noise/vibration, compensate for misalignment/offset and to protect rotating mechanical equipment against start-up surge forces.

Specifications

Supply Range:

DN25mm to DN1000mm

Maximum working pressure:

2.5 Mpa

Vacuum KPa(mmHg)

44.9(350)

Operating temperature:

-20°C-100°C

Applicable media

 Sea water, drinking water, slurry, industrial sewage.

Item

Part

Material

1

Tube

EPDM/NBR/Hypalon

2

Ring Flange

Ductile Iron/Carbon Steel/SS304/SS316

3

Support Ring

Mild Steel

4

Rubber Flange

EPDM/NBR/Hypalon

5

Carcass

Nylon

Data Sheet:

Type 1:

SIZE

I.D.

(mm)

LENGTH

F/F

(mm)

MAX

Pressure

(bar)

VACUUM

Rating

(mm Hg)

Movement Capability(mm)

Flange details-DIN PN16

Prox.

Weight

(kg)

Comp.

(mm)

Ext.

(mm)

Lateral

(mm)

Angular

(degree)

Torsional

(degree)

O.D.

(mm)

B.C.

(mm)

Holes

(no.)

Hole

(mm)

TH.

(mm)

40

175

16

760

50

30

45

35

10

150

110

4

18

14

3

50

175

16

760

50

30

45

35

9.5

165

125

4

18

14

4

65

175

16

760

50

30

45

35

7.5

185

145

4

18

15

5

80

175

16

760

50

30

45

35

6.2

200

160

8

18

15

7

100

225

16

760

50

35

40

35

5.6

220

180

8

18

15

9

125

225

16

760

50

35

40

35

4.5

250

210

8

18

15

11

150

225

16

760

50

35

40

35

3.6

285

240

8

23

20

14

200

325

16

700

50

35

35

30

2.8

340

295

12

23

20

21

250

325

16

700

60

35

35

30

2.2

405

355

12

26

20

30

300

325

16

700

60

35

35

30

1.8

460

410

12

26

22

37

350

325

10

700

60

35

35

30

1.7

520

470

16

26

22

53

400

325

10

600

60

35

35

30

1.5

580

525

16

30

22

69

450

325

10

600

60

35

35

30

1.3

640

585

20

30

25

81

500

325

10

600

60

35

35

30

1

715

650

20

34

25

111

600

325

10

600

60

35

35

30

1

840

770

20

36

25

156

Type 2:

SIZE

I.D.

(mm)

LENGTH

F/F

(mm)

MAX

Pressure

(bar)

VACUUM

Rating

(mm Hg)

Movement Capability(mm)

Flange details-DIN PN16

Prox.

Weight

(kg)

Comp.

(mm)

Ext.

(mm)

Lateral

(mm)

Angular

(degree)

Torsional

(degree)

O.D.

(mm)

B.C.

(mm)

Holes

(no.)

Hole

(mm)

TH.

(mm)

500

325

10

600

60

35

35

30

1

715

650

20

34

35

185

600

325

10

600

60

35

35

30

1

840

770

20

36

40

226

700

400

8

550

65

35

35

30

1

910

840

24

36

40

265

800

400

7

550

63

35

32

28

1

1025

950

24

39

40

302

900

400

6

500

60

32

30

28

1

1125

1050

28

39

35

328

1000

400

6

500

60

32

30

28

1

1255

1170

28

39

35

361

NOTES:

1. Nonstandard items beyond above tables available, contact GYLDT before placing an order.

2. The rated pressure 2.5MPa products will only be sold with control units.

3. Pressure rating is based on 30℃ operating temperature. The pressure rating is reduced at higher temperatures.

4. Weights in the above table are joints with DIN PN16 drilling retaining ring flanges.

5. Movements shown in the above table are non-concurrent.

6. Rated pressure in the above table is the maximum "working pressure". Test pressure is 1.5 times "working pressure", Burst pressure is 4 times " work pressure".

7. Normally, the flange drilling is based on DIN PN16, ANSI 150/250/300 lbs, BS PN10, JIS 10K are also available upon request.