Burkert Type 2731 - Manual (Page 14)

control function B / ptfe diaphragm
0
1
2
3
4
5
6
7
8
9
10
0 1 2 3 4 5 6 7 8
pilot pressure [bar]
m
edium
pressure
[bar]
ø 125 ptfe
DN65
Fig. 9: Pressure graph, actuator ø 125 mm, control function B,
PTFE diaphragm
0
1
2
3
4
5
6
7
8
9
10
0 1 2 3 4 5 6 7 8
pilot pressure [bar]
m
edium
pressure
[bar]
ø 175 ptfe
DN80 DN65
DN100
Fig. 10: Pressure graph, actuator ø 175 mm, control function B,
PTFE diaphragm
6.7 flow values and characteristics
Flow values and characteristics for Types 2730 / 2731 you
find on Internet.
6.8 general technical data
actuator sizes ø 125 mm, ø 175 mm, ø 225 mm
connections
Pilot air port G1/4, stainless steel
Line connection
Type 2730 Flange
Type 2731 Flange
Weld end: in accordance with EN ISO
1127 (ISO 4200), DIN 11850 R2
other connections on request
materials
Body
Type 2730 PVC (PV)
Type 2731 Stainless steel forged steel (VS)
1.4435 (AISI 316L)
Precision casting (VG)
1.4435 (AISI 316L)
Actuator PA, PPS
14
Technicaldata
english
Type 2730 / 2731 DN 65-100