Samson 3963 Series, Mounting And Operating Instructions

Page: 12 / 80

12 EB 3963 EN
Markings on the device
Solenoid valve Type 3963- x x x x x x x x x x x x x x x x x
Restrictors
Without SIL 0
1 exhaust air restrictor 1
2 exhaust air restrictors 2
1 supply/exhaust air restrictor 3
Attachment
NAMUR interface according to VDI/VDE 3845 SIL 0
Threaded connection for rail, wall or pipe mounting SIL 1
NAMUR ribs according to IEC 60534-6-1 SIL 2
Mounting block for Type 3277 Linear Actuator SIL 3
Connection diagram of Type 3963 (as spare part) SIL 4
K
VS
1)
0.16 SIL 1
0.32 SIL 2
1.4 3
4.3 SIL 4
0.01 (as spare part) 5
2.9 6
2.0 SIL 7
Pneumatic connection
G ¼ SIL 0
¼ NPT SIL 1
G ½ SIL 2
½ NPT SIL 3
Without (as spare part) 4
Pilot supply
Internal (for actuators for on/off service or mounting block) SIL 0
External (actuators for throttling service) SIL 1
1)
The air flow rate when p
1
= 2.4 bar and p
2
= 1.0 bar is calculated using the following formula:
Q = K
VS
x 36.22 in m³/h.
(continued on page 13)