Samson 3963 Series, Монтаж и эксплуатация

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20 EB 3963 EN
Design and principle of operation
Type of protection Ex nA II 3) for use in hazardous areas (Zone 2)
Type 3963
-81 -82 -83
Ambient temperature in
temperature class
T6 –45 to +60 °C
T5 –45 to +70 °C
T4 –45 to +80 °C
1)
Maximum permissible value at 100 % duty cycle. The maximum permissible value U
i
applies to explosion-protected
versions.
2)
II 2G Ex ia IIC T6 according to EC type examination certificate PTB 01 ATEX 2085
3)
II 3G Ex nA II T6 according to statement of conformity PTB 01 ATEX 2086 X
4)
Pairs of values U
i
/I
i
apply to 6, 12, 24 V DC nominal signals.
Solenoid valves actuated on one side, K
VS
0.16 or K
VS
0.32
Switching function 3/2-way function 3/2-way function 5/2-way function 6/2-way function
K
VS
1)
0.16 0.32 0.16 0.16
Safety function SIL
3)
, TÜV
4)
SIL
3)
, TÜV
4)
SIL
3)
, TÜV
4)
–
Design Diaphragm switching element, soft seated, with return spring
Operating medium Instrument air free from corrosive substances 5) , air containing oil or non-corrosive gases 6)
Operating pressure Max. 6 bar
Output signal Operating pressure
Ambient temperature 2) –45 to +80 °C
Connection G ¼ or ¼ NPT
Approx. weight 570 g (standard version)
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.
2)
The permissible ambient temperature of the solenoid valve depends on the permissible ambient temperature of the
components, type of protection and temperature class.
3)
SIL according to IEC 61508
4) Emergency release or locking of compressed air supply
5)
With internal pilot supply
6) With external pilot supply