ANSI PTFE Expansion Joints, 5 convolutes (Class 150) – new design

Our PTFE Expansion Joints are highly flexible and provide compensation of vibrations and heat-induced expansion in your production line. PTFE Expansion Joints with 5 convolutes allow the maximum absorption of movement.

Designs:

  • up to nominal pipe size NPS 4“ with two ears
  • from nominal pipe size NPS 5“ with three ears
  • up to nominal pipe size NPS 2 1/2” with threaded holes
  • from nominal pipe size NPS 3” with through holes

Flange materials:

  • carbon steel
  • stainless steel

Lining material:

  • PTFE (virgin or conductive)

Flanges:

  • loose-loose

Other pressure ratrings:

  • on request

Special features:

  • limit bolts/hole extensions
  • earthing stud/lug

Optional extras:

  • final painting

NPS

 

 

L

 

(mm)

Stroke

±

(mm)

Lateral offset

 

(mm)

Angular offset

 

max. (°)

d4

 

(mm)

K

 

(mm)

smin

 

(mm)

a2

 

(mm)

No. of bolts

x

thread (UNC)

Weights

 

(ca. kg/pc.)

½“

100

15

8

10

34.9

60.3

3.0

13.0

4 x ½“

1.1

¾“

100

15

8

10

42.9

69.9

3.0

13.0

4 x ½“

1.3

1“

100

15

8

10

50.8

79.4

3.0

13.0

4 x ½“

1.6

1¼“

105

15

8

10

63.5

88.9

3.0

13.0

4 x ½“

1.8

1½“

115

20

8

12

73.0

98.4

3.0

13.0

4 x ½“

2.1

2“

125

25

12

12

92.1

120.7

4.0

16.0

4 x ⅝“

3.4

2½“

145

30

15

14

104.8

139.7

4.0

16.0

4 x ⅝“

4.4

3“

160

35

18

16

127.0

152.4

4.0

16.0

4 x ⅝“

5.2

4“

165

40

18

16

157.2

190.5

5.0

20.0

8 x ⅝“

8.3

5“

170

40

18

14

185.7

215.9

4.5

19.5

8 x ¾“

10.4

6“

180

40

22

13

215.9

241.3

5.0

23.0

8 x ¾“

13.7

8“

210

50

22

13

269.9

298.5

5.0

25.0

8 x ¾“

22.5

10“

240

50

22

12

323.8

362.0

7.5

29.5

12 x ⅞“

31.3

12“

250

50

22

10

381.0

431.8

6.0

31.0

12 x ⅞“

52.4

14“

265

50

25

10

412.8

476.3

7.5

37.5

12 x 1“

70.5

16“

265

50

25

8

469.9

539.8

7.5

37.5

16 x 1“

85.4

20“

280

50

25

7

584.2

635.0

8.0

38.0

20 x 1⅛“

103.5

NPS

 

 

Overpressure resistance

(105 Pa) at

Vacuum resistance

(105 Pa) at

23° C

100° C

150° C

200° C

23° C

100° C

150° C

200° C

½“

8.0

6.1

4.5

2.9

-1.00

-1.00

-1.00

-1.00

¾“

8.0

6.1

4.5

2.9

-1.00

-1.00

-1.00

-1.00

1“

8.0

6.1

4.5

2.9

-1.00

-1.00

-1.00

-1.00

1¼“

8.0

6.1

4.5

2.9

-1.00

-1.00

-1.00

-1.00

1½“

8.0

6.1

4.5

2.9

-1.00

-1.00

-1.00

-1.00

2“

7.9

6.1

4.5

2.9

-1.00

-1.00

-1.00

-1.00

2½“

7.5

5.8

4.2

2.7

-0.98

-0.97

-0.94

-0.94

3“

7.1

5.5

4.0

2.5

-0.96

-0.93

-0.89

-0.88

4“

6.5

5.2

3.8

2.3

-0.92

-0.89

-0.83

-0.80

5“

5.9

4.7

3.5

2.1

-0.88

-0.83

-0.76

-0.72

6“

5.4

4.4

3.2

1.9

-0.84

-0.79

-0.69

-0.63

8“

4.4

3.8

2.8

1.5

-0.76

-0.70

-0.57

-0.48

10“

3.6

3.2

2.3

1.1

-0.69

-0.61

-0.48

-0.34

12“

3.0

2.6

1.8

1.0

-0.63

-0.54

-0.38

-0.20

Different nominal pipe sizes

and total lengths on request.

L = Total length

d4 = Raised face diameter

K = Bolt circle diameter

smin = Minimum flare thickness

a2 = Minimum length with loose flange and smin

Technical data valid for the pressure rating Class 150.
a
2 depends on construction type and lining thickness.


The overpressure resistance is only valid at neutral position of the PTFE Expansion Joint with limit bolts in place. The types of travel stroke, lateral offset and angular offset are maximum allowable movements in only one direction. For superpositioned movement the single types of travel need to be limited. The figures stated are average and apply to room temperature.