14
EB 8546 EN
Design and principle of operation
3.1 Versions
Supply Pressure Regulator
Type 4708- x x x x
Standard version
Aluminum filter without filter receptacle
1 0
with plastic filter receptacle
1 1
with aluminum filter receptacle
1 2
Stainless steel version
Stainless steel filter with stainless steel filter receptacle
1 3
with plastic filter receptacle
1 4
without filter receptacle
1 7
Connection
G ¼
2
¼-18 NPT
5
Set point range 0.5 to 6 bar (8 to 90 psi)
Without pressure gauge
0
with pressure gauge, completely free of copper
1
with pressure gauge, housing free of copper
2
Set point range 0.2 to 1.6 bar (3 to 23 psi)
Without pressure gauge
3
with pressure gauge, completely free of copper
4
with pressure gauge, housing free of copper
5
Supply pressure regulator with increased air capacity
u
4 5
with adapter plate for positioners
Types 3730, 3766, 3767
5 3
Types 3725, 3730, 3766, 3767
5 4
Type 3725, Types 4763/4765
5 5
0
with adapter plate for pneumatic actuators
Type 3277 Actuator (240 to 700 cm²) with Type 3730, 3766 or 3767 Positioner
6 2
0
Type 3372
6 2
Type 3277 Actuator with connection block
6 4
0