Samson 3756, Mounting And Operating Instructions

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5-2 EB 3756 EN
Installation
3. Use a cap screw to fasten the booster
valve to the yoke/support.
5.3.2 Attachment to rotary
actuators
Î
See section 5.6 for required accessories
Type 3756-00
1. Check the seating of the O-rings on the
NAMUR interface and that of the coded
screw. Use a coded screw to determine
the direction of action of the rotary actu-
ator at the connecting flange.
2. Fasten the booster valve to the rotary ac-
tuator using two screws.
32
24
B
A
¼"
2
M5
8
12
DIN EN ISO 228-1
Sectional view A-B
Coded screw
Fig. 5-1: NAMUR interface ¼"
5.4 Pneumatic connection
The air connections are designed as thread-
ed holes with G
1 /
8
(
1 /
8
NPT), G ¼ (¼ NPT),
G ½ (½ NPT) or G 1 (1 NPT) threads de -
pending on the device version.
Î
Run and attach the connecting lines and
screw joints according to good profes-
sional practice.
Î
Check the connecting lines and screw
joints for leaks and damage at regular
intervals and repair them.
Î
The K
VS
coefficient of an upstream pres -
sure reducing valve must be at least 1.6
times larger than the K
VS
coefficient of
the device.
Port labeling K
VS
2.0 and 4.3
Inscription Function
4 Supply air
8 Control pressure (with
pneumatic actuation only)
9 External pilot supply (only when
a pilot valve is used)
3/5 Output