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
.
K12 VAT Vakuumventile AG, CH-9469 Haag, Switzerland Tel +41 81 771 61 61 Fax +41 81 771 48 30 www.vatvalve.com
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