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PTFE and PTFE lined Products

Stainless steel bellow with ptfe lining

PTFE can be used for strong acid (Sulfuric acid, hydrochloric acid), strong alkali (NaOH, KOH, LiOH, Ca(OH)₂) and all kinds of organic solvents, and the plasticity is better, the operation temperature ranges from -180~260ºC, so it is the best choice of chemistry plants, concentrator plants.

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Product Description

ptfe lined SS bellow
ptfe lined SS bellow
ptfe lined expansion joint
ptfe lined expansion joint

Stainless steel  expansion joint with PTFE lining can be used for strong acid (Sulfuric acid, hydrochloric acid), strong alkali (NaOH, KOH, LiOH, Ca(OH)) and all kinds of organic solvents, and the plasticity is better, the operation temperature ranges from -180~260ºC, so it is the best choice of chemistry plants, concentrator plants.


Stainless Steel Single Bellow Expansion Joint

Structure

No

Name

Material

1

Bellow

Stainless   steel( SS304(L),SS316(L),SS321,SS310 etc)

2

Flange

Carbon   steel or Stainless steel

3

End

Carbon   steel or Stainless steel

4

Inner Sleeve

Carbon steel or   stainless steel

5

Tie rods, nuts and   washers

Carbon steel or   stainless steel

Specification

DN

No of   Convolution

Pressure Rating (bar)

Effective   Area

(cm²)

Max   OD  (mm)

Length   (mm)

inch

mm

6

10

16

25

Axial    Movements(mm/ N/ram)

1 1/4

32

8

22/26

20/26

18/63

15/98

16

110

110

1 1/2

40

8

22/44

20/44

18/89

15/106

23

130

130

2

50

8

22/51

20/70

18/70

15/138

37

150

150

2 1/2

65

8

30/35

26/44

22/55

19/68

55

170

170

3

80

8

36/36

34/33

28/41

24/54

81

200

200

4

100

8

45/60

40/75

35/93

29/117

121

220

220

5

125

8

77/29

66/36

58/45

50/56

180

290

240

6

150

8

71/43

64/51

54/59

46/65

257

290

250

8

200

8

65/44

59/52

53/58

48/78

479

340

280

10

250

6

65/34

59/42

52/45

47/55

769

300

280

8

97/21

87/35

79/39

71/47

360

340

12

300

6

65/55

 

 

 

59/59

52/65

47/71

1105

340

330

8

97/35

87/37

79/41

71/45

400

380

14

350

6

65/62

59/67

52/74

47/81

1307

340

360

8

97/41

87/44

79/48

71/47

420

420

16

400

6

65/58

59/62

52/68

47/75

1611

340

360

8

97/39

87/43

79/47

71/52

420

420

18

450

6

97/35

87/37

79/41

71/45

1972

340

360

8

145/22

131/23

118/25

106/28

450

460

20

500

6

97/64

87/68

79/75

71/82

2445

340

450

8

145/37

131/39

118/43

106/48

450

520

24

600

 

 

6

97/80

87/85

79/94

71/103

3534

380

480

8

145/45

131/49

118/53

106/60

500

560

28

700

4

97/72

87/77

79/85

71/95

4717

1110

400

6

145/45

131/49

118/53

106/60

520

32

800

4

108/95

102/102

94/112

82/123

5822

1265

410

6

164/72

156/77

144/85

125/93

520

36

 

900

4

108/90

102/97

94/107

82/117

7620

1186

410

6

164/65

156/69

144/76

125/84

520

40

1000

4

108/98

102/105

94/116


9043

1286

410

6

164/65

156/71

144/81


520

Flange standards are alternative: DIN2501, BS EN1092, ASME, JIS,KS and other non standards.

Length and no of convolution can be customized

The max working pressure is 10 Mpa, the max working temperature is according to the material.


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