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Steel-in-steel Prefabricated Insulated External Compression Expansion Joint Price：￥

An externally compressed expansion joint integrated into a steel-in-steel prefabricated insulated piping assembly, intended to accommodate axial thermal movement in insulated pipeline systems. The compensating element is enclosed within the outer steel casing for installation as part of the prefabricated pipe section.

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Detailes

Our Manufacturing Capabilities


Nominal Diameter

1.5 ''-155'' (DN32-DN4000)

Nominal Pressure

0.6/1.0/1.6/2.5/4.0 Mpa

Compensation

18–400 mm

Highest Temperature

-40-450 °C

Connection Type

Flanges, Pipes

Flange Materials

Stainless steel/carbon steel/alloy

Flange Standards

ANSI/DIN/EN/JIS

Body Materials

SS304/316L


Key Specifications of Corrugated Metal Expansion Joints


Nominal diameter

Number of Corrugations

Pressure level (MPa)

Effective area of the bellows (cm²)

Maximum outer diameter (mm)

0.25

0.6

1

1.6

2.5

Axial compensation, mm, N/ram

32

8

25/21

22/26

20/26

18/63

15/98

16

110

40

8

25/28

22/44

20/44

18/89

15/106

23

130

50

8

25/30

22/51

20/70

18/70

15/138

37

150

65

8

33/28

30/35

26/44

22/55

19/68

55

170

80

8

40/20

36/26

34/33

28/41

24/54

81

200

100

8

45/47

45/60

40/75

35/93

29/117

121

220

125

6

48/38

42/47

38/59

34/74

29/92

180

250

150

6

49/42

44/50

40/62

34/78

29/97

257

250

200

6

52/49

46/55

42/68

38/78

34/111

479

300

250

6

72/30

63/34

59/42

52/45

47/55

769

300

300

6

72/51

65/55

59/59

52/65

47/71

1105

340

350

6

72/58

65/62

59/67

52/74

47/81

1307

340

400

6

75/60

72/70

65/72

60/80

55/90

1430

380

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