Burkert 2300 - Page 13

13
Technical data
7.4.1 Temperature ranges
Actuator
size
[mm]
Actuator
material
Medium
Environ-ment
2)
Seat seal
steel / steel
Seat seal
PTFE / steel
ø 50
PPS -10...+185°C -10...+130°C
-10...+60°C
3)
-10...+100°C
4)
ø 70
ø 90
ø 130
Tab. 2: Temperature ranges
2) If a pilot valve/control unit is used, the max. ambient
temperature is +55 °C.
Theangle-seatcontrolvalveissuitableforsteam
sterilization.
3) Pilot air ports with push-in connector
4) Pilot air ports with threaded bushing.
7.4.2 Control medium
Inconjunctionwithpneumaticcontrolunits(positioneror
processcontrollers),pilotairaccordingtoDINISO8573-1must
beused:
• Class3(forwatercontent)
• Class5(fordustandoilcontent).
Thespecicationisdescribedindetailintheoperating
instructionsoftherespectivepositioner/processcon-
trollerinthechapterentitled“Technicaldata”.
7.4.3 Pressure ranges
Pilot pressure range
5)
on controlled operation
Actuator
size
Orice DN
[mm]
Pilot pressure range
5)
[bar]
CFA CFB
ø 50 mm
15–25 3.4–5.5 3.3–5.1
ø 70 mm 15–32 2.6–5.5 2.6–5.2
ø 90 mm 25–50 3.3–5.5 1.8–2.5
ø 130 mm
40–50 3.3–5.6 1.9–2.7
65 4.6–5.6 1.9–2.7
Tab. 3: Pilot pressure range on controlled operation
5) To ensure reliable operation with pneumatic control
units (positioner or process controller), observe the
permitted minimum and maximum pilot pressure!
english
Type 2300