310 - Flange connections ISO-KF0 pages

Flange connections ISO-KF

Series 31

Clamp
Claw
Centering ring
Blank-off flange
Weld neck flange
Metal seal (indium, max. 60°C)
Soft-start throttle

FKM
(VITON)

Indium

Suitable
flange material

A, E

A, E

Temperature 1)

≤ 200°C

≤ 60°C

Leak rate for helium
(mbar ls-1)

< 1 . 10 -9 < 1 . 10 -10

Seal

Sealing force
(N per cm sealing line)

10 - 50

50 - 500

yes

yes

Multiple use of seal

A: aluminum
E: stainless steel

1)

t Maximum values: depending on operating
conditions and sealing materials

DN

10

B

mm
inch

H

202

mm
inch

16

30
1.18

mm
inch

12.2
0.48

⅜

.

25
1

40
1.½

50
2

30
1.18

40
1.57

55
2.17

75
2.95

17.2
0.68

26.2
1.03

41.2
1.62

52.2
2.06

⅝

.

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