Gasket characteristic values
100
100
Soft material flat gaskets
A1
Rubber-steel gaskets
500
3.000
--
500
4.000
--
500
6.500
--
600
3.500
--
200
300
800
100
800
--
1
1.600
100
800
--
1
4.500
100
800
--
-
4.500
-
4.500
800
--
-
4.000
100
800
--
1
2.200
100
800
--
8.000
5.000
100
800
--
8.000
5.000
100
800
--
8.000
5.000
WG
100
800
--
200
300
WG2
100
800
--
200
200
WG2P
100
800
--
200
200
WS
100
800
--
200
200
WL
100
800
--
200
1.700
WL-HT
100
800
--
200
1.700
KNG
100
800
--
200
1.700
Aluminium
W1
Corrugated gaskets
--
100
F1
09
800
25
250
--
-
3.700
Copper / brass
12,5
100
--
-
4.500
Iron / carbon steel / nickel
6,3
50
--
-
5.500
Monel / steel 4 – 6% Cr
3,2
25
--
-
6.500
Stainless steel
3,2
25
--
-
7.600
100
800
--
16.000
2.800
W1A
W11A
Steel or stainless steel with
layers of graphite or PTFE
W1A-3
W2A
W12A
Steel or stainless steel
with layers of graphite or PTFE
and stabilising metal ring
This table relates to values that have been measured and / or have proven to provide secure static sealing connections through years of experience.
Kempchen Dichtungstechnik GmbH · Tel. +49 (0)208 8482 0 · Fax. +49 (0)208 8482 285 · [email protected] · www.kempchen.de
152
Gasket characteristic values
Spiral-wound gaskets
Gasket characteristic values
8.000 from
graphite
Metal jacketed gaskets
Grooved gaskets
6.000 from
PTFE- enveloped
gaskets
09
This table relates to values that have been measured and / or have proven to provide secure static sealing connections through years of experience.
*
maximum roughness of the flange sealing surfaces.
**
k0·KD- and k1-values applicable according to AD B7 Table 1 for gases and vapours. For fluids the values are 4 … 5 times smaller.
*** EG = The values in accordance with EN 13555 depend on the surface pressure and temperature.
For values see www.kempchen.de -> Technical Service -> Gasket characteristic values.
ED = The values in accordance with DIN 28090-1 depend on the surface pressure and temperature.
For values see www.kempchen.de -> Certificates/Permits -> KSD data sheets.
The values in the table are guidelines only.
^ The y-values currently applicable are defined by Q min (L 0,01) (EN 13555) and may differ from values previously used.
**** y =
Kempchen Dichtungstechnik GmbH · Tel. +49 (0)208 8482 0 · Fax. +49 (0)208 8482 285 · [email protected] · www.kempchen.de
Gasket characteristic values
153
Spring gaskets
Metal flat gaskets
Gasket characteristic values
Welded ring gaskets
A21
A22
Metal
500
50
500
A24
A24K
09
50
A23
A24N
Metal, one half grooved,
with layer
0
--
0
0
See metal flat gaskets
Ring joint gaskets
0
-
0
0
See grooved gaskets for values (profiled gaskets
Metal, spiral-wound gasket
See spiral-wound gaskets for values
This table relates to values that have been measured and / or have proven to provide secure static sealing connections through years of experience.
*
maximum roughness of the flange sealing surfaces.
**
k0·KD- and k1-values applicable according to AD B7 Table 1 for gases and vapours. For fluids the values are 4 … 5 times smaller.
*** EG = The values in accordance with EN 13555 depend on the surface pressure and temperature.
For values see www.kempchen.de -> Technical Service -> Gasket characteristic values.
ED = The values in accordance with DIN 28090-1 depend on the surface pressure and temperature.
For values see www.kempchen.de -> Certificates/Permits -> KSD data sheets.
The values in the table are guidelines only.
**** y = The y-values currently applicable are defined by Q min (L 0,01) (EN 13555) and may differ from values previously used.
Kempchen Dichtungstechnik GmbH · Tel. +49 (0)208 8482 0 · Fax. +49 (0)208 8482 285 · [email protected] · www.kempchen.de
154
Gasket characteristic values