Samson 3969, Mounting And Operating Instructions

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EB 3969 EN 11
Markings on the device
2.2 Article code
Solenoid valve Type 3969- x x x x x x x x x x x x x x x x x x x x x x x
Type of protection
Without explosion protection
0 0 0
ATEX
II 2G Ex ia IIC T4/T6 Gb
II 2D Ex ia IIIC T85 °C Db
1 1 0
IECEx
Ex ia IIC T4/T6 Gb
Ex ia IIIC T85°C Db
1 1 1
ATEX
II 3 G Ex ec IIC T4/T6 Gc or
II 3 G Ex nA IIC T4/T6
II 2 D Ex tb IIIC T85°C Db
8 1 0
IECEx
Ex ec (or nA) IIC T4/T6 Gc
Ex tb IIIC T85°C Db
8 1 1
Nominal signal
14.7 to 24 V DC 3
Manual override
Without
0
Pushbutton underneath the enclosure cover 1
Switching function
3/2-way function with spring-return mechanism
0 0
Mounting
NAMUR interface ¼ according to VDI/VDE 3845 for rotary
actuators
0
NAMUR rib according to IEC 60534-6 for linear actuators/
threaded connection
2
Direct attachment to mounting block with positioner according to
VDI/VDE 3847
3
NAMUR interface ½ according to VDI/VDE 3845 for rotary
actuators
4
NAMUR interface ¼ according to VDI/VDE 3845 for rotary
actuators with adapter plate for external air connections
5
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.