Translation of the original operating instructions
Type 327
© 1994 - 2022 SED Flow Control
44
BA220002 Version:
a
Vo
rl
ag
e
: d
o
k360 (
c)
Housing
Polyphthalamide (PPA)
Cover
Polycarbonate (PC) (Makrolon)
External parts
Stainless steel 1.4571 and 1.4301
Cable gland
M20x1.5, black polyamide (PA)
Filling volume drive:
Diaphragm size MA
Actuator type
Control function 4&5
8/10
A211, A212, A311, A312
0,09 Nl
25
A373
0,2 Nl
Nl: Norm litre, volume at atmospherical pressure
4.2.
Operating conditions
4.2.1. Operating temperatures
Warning
Do not exceed or deceed the permitted temperatures!
The permissible temperatures depend on the materials used. Please note that only the lowest value is
permissible for the maximum medium temperature! Conversely, the highest value is permissible for the
minimum medium temperature. At increased temperatures, the maximum permissible operating pressure may
be reduced!
Permissible media temperature for actuators
80°C dependent on application
Permissible temperature for diaphragms
Diaphragm
material
Code
Media temperature
Sterilization temperature
Min.
Max.
EPDM
1
-10 °C
90 °C
**
FPM
2
-10 °C
90 °C
**
EPDM
28
-10 °C
90 °C
150 °C, 60 min
EPDM
20
-10 °C
90 °C
150 °C, 60 min
PTFE-TM / EPDM
29/30/51 -10 °C
90 °C
150 °C, 60 min**
PTFE-TM / EPDM
31/41
-10 °C
90 °C
160 °C, 60 min, continuous operation*
PTFE-TM / EPDM
44
-10 °C
90 °C
160 °C, 60 min, continuous operation *
/
**
* For continuous operation at high temperature, the valves must be regularly checked and maintained!
** Not applicable for plastic valve bodies
