Samson 4708-5352 Mounting And Operating Instructions
Text of the manual
Supply Pressure Regulators
Type 4708
Mounting and
Operating Instructions
EB 8546 EN
Edition June 2012
Fig. 1 · Supply pressure regulators
Type 4708-1152 with filter receptacle
Type 4708-5352 on Type 3730 Positioner
Type 4708-6252 on Type 3372 Actuator
Design and principle of operation. . . . . . . . . . . . . . . . . . . . 4
1.1
Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2
Mounting the supply pressure re
EB 8546 EN
3
Safety instructions
General safety instructions
� The supply pressure regulators may only be mounted, started up or serviced
by fully trained and qualified personnel, observing the accepted industry
codes and practices. Make sure employees or third persons are not exposed
to any danger. All safety instructions and warnings in these mounting an
Design and principle of
operation
The supply pressure regulator is used to sup-
ply pneumatic measuring and control equip-
ment with a constant air supply.
The maximum 12 bar pressure of the com-
pressed air network in a plant is reduced to
an adjustable minimum pressure of 0.2 to
1.6 bar or 0.5 to 6 bar.
At the inlet side, the supply pressure regula-
tor
EB 8546 EN
5
Design and principle of operation
15
1.1
1
1.2 1.3
2
3
4
5
6
7
8
9
10
10.1
11
11.1
12.1
12
13
9
16
Fig. 2 · Sectional drawings
1
Body
1.1
Seat
1.2
Plug
1.3
Bore in body
2
Operating diaphragm
3
Venting bore
4
Positioning spring
5
Cap
6
Lock nut
7
Set point screw
8
Adjustment knob
(accessories in Section 7)
9
Filter cartridge
10
Stopper
11
Bushin
