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Kv values:
8.4 Product conformity
Machinery Directive:
Pressure Equipment Dir-
ective:
Food:
EMC Directive:
Drinking water:
RoHS Directive:
www.gemu-group.com
MG
DN
25
15
20
25
40
32
40
50
50
65
MG = diaphragm size, Kv values in m³/h
Kv values determined in accordance with DIN EN 60534, inlet pressure 5 bar, Δp 1 bar, with connection flange
EN 1092 length EN 558 series 1 (or threaded socket DIN ISO 228 for body material GGG40.3) and soft elastomer
diaphragm. The Kv values for other product configurations (e.g. other diaphragm or body materials) may differ.
In general, all diaphragms are subject to the influences of pressure, temperature, the process and their tighten-
ing torques. Therefore the Kv values may exceed the tolerance limits of the standard.
The Kv value curve (Kv value dependent on valve stroke) can vary depending on the diaphragm material and dur-
ation of use.
2006/42/EC
2014/68/EU
Regulation (EC) No. 1935/2004*
Regulation (EC) No. 10/2011*
FDA*
USP* Class VI
2014/30/EU
Belgaqua*
* depending on version and / or operating parameters
2011/65/EU
SG iron 40.3
SG iron 40.3
connection
connection
type 1, 31
type 8, 39
8.0
10.0
11.5
14.0
11.5
17.0
28.0
36.0
28.0
40.0
60.0
68.0
-
68.0
15 / 50
8 Technical data
PFA / PP
Hard rubber
5.0
6.0
9.0
11.0
13.0
15.0
23.0
29.0
26.0
32.0
47.0
64.0
-
-
GEMÜ 649 eSyDrive
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