Samson EB 3967 EN, Монтаж и эксплуатация

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EB 3967 EN 23
Design and principle of operation
Pneumatic data for solenoid valve with K
VS
0.32 1) , actuated on one side
Switching function 3/2-way function
K
VS
2) 0.32
Safety approval SIL 3)
Compressed air quality
according to ISO 8573-1
Max. particle size and density: Class 4 · Oil content: Class 3 · Pressure dew point:
Class 3 or at least 10 K below the lowest ambient temperature to be expected
Supply Medium Instrument air, free from corrosive substances and nitrogen
Pressure 4) 1.4 to 10 bar
Operating medium Instrument air, free from corrosive substances and nitrogen
Operating pressure Max. 10 bar
Air consumption ≤80 l
n
/h at 1.4 bar pilot supply in neutral position
≤25 l
n
/h at 1.4 bar pilot supply in operating position
Switching time ≤65 ms
Connection G ¼ or ¼ NPT and NAMUR interface ¼ 5)
Weight 0.45 kg
0.80 kg (with adapter plate)
1)
The solenoid valve version with K
VS
0.32 can be fitted with a restrictor plate to adjust the actuating time of the
pneumatic actuator.
2)
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.
3)
SIL according to IEC 61508
4)
When using the solenoid valve with an operating pressure of 10 bar, a minimum pilot pressure of 1.9 bar is
required.
5)
NAMUR interface according to VDI/VDE 3845 and VDI/VDE 3847