Technical Information
Body design Flangeless, wafer-type construction
Dimensions acc. DIN EN 558-1 series 20
for flanges acc. DIN EN 1092-1 form B
more versions see on data-sheet 8011-GS3
Nominal sizes DN 15 to DN 125
Nominal pressure PN 40 acc. DIN 2401
also for flanges PN 10 to PN 25
Pressure range 0,5 up to 10 bar (see table)
Operating pressures Limited to applications of category I of the Pressure Equipment Directive
2014/68/EU
Media temperature -60°C up to +230°C
at special versions up to +300°C
Max. ambient temperature -20°C up to +80°C
Flange gaskets
(customer side)
DIN EN 1514-1 or ANSI B16.21 in the respective nominal pressure rating
Max. working temperatures
for the actuator
Diaphragm material
CR: ‚-20°C up to + 80°C
EPDM: ‚-30°C up to +130°C
EPDM (FDA): ‚-30°C up to +130°C
FKM: ‚-15°C up to +150°C
Leakage Disc pair
Carbon-stainless steel
Disc pair
SFC
Disc pair
STN 2
% of Kvs < 0,0001 < 0,0005 < 0,001
IEC 60534-4 IV-S1 IV-S1 IV
EN 12266-1 E F F
Spezific leakage rate
shaft and body sealing
ISO FE-BH-CC3-SSA0-t(-40°C/+350°C)-PN40-ISO 15848-1
DIN EN ISO 15848-1 and VDI 2440