Inside nominal diameter DN

connector inner diameter D(mm)

20

25

32

40

50

65

80

100

125

150

200

PTFE wall thickness

(mm)

home made pipe

1.1~1.3

1.3~1.5

1.6~2.0

2.5

Import pipe

1.5~2.0

2.0~2.5

3.0~3.5

4.0

180℃

Positive pressure resistance(MPa)

home made pipe

0.9

0.8

0.68

0.63

0.55

0.5

0.45

0.4

0.3

0.3

0.25

Import pipe

1

0.9

0.8

0.7

0.65

0.6

0.55

0.5

0.4

0.35

0.3

180℃

Negative pressure resistance(MPa)

home made pipe

-0.09

-0.07

-0.04

Import pipe

-0.096

-0.08

-0.05

Minimum bending radius

(mm)

static state

＞1.1DN

motive state

＞2.2DN