Samson 3966, Монтаж и эксплуатация

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20 EB 3966 EN
Design and principle of operation
Pneumatic data
Design Plug/seat poppet valve with return spring
Switching function 3/2-way function,
can be connected as normally closed (NC) or normally open (NO)
K
VS
1)
Normally closed (NC) 0.35 (supply flow direction from 1 to 2 including restriction)
0.90 (supply flow direction from 1 to 2 without restriction)
0.90 (exhaust flow direction 2 to 3)
Normally open (NO) 0.90 (supply flow direction from 3 to 2)
0.90 (exhaust flow direction from 2 to 1 without restriction)
0.35 (exhaust flow direction from 2 to 1 including restriction)
Compressed air quality
according to ISO 8573-1
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
Flow rate At least 1.6 times greater K
VS
coefficient than the K
VS
coefficient of the device
Pilot supply pressure
Internal (1) 1.4 to 6.0 bar
External (9) 1.4 to 6.0 bar (with 0 to 6.0 bar operating pressure),
1.9 to 6.0 bar (with 0 to 10.0 bar operating pressure)
Operating pressure 0 to 6.0 bar 2)
0 to 10.0 bar
3)
Air consumption of the pilot
valve with 1.4 bar pilot
supply
≤25 l/h (in operating position)
≤80 l/h (in idle position)
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)
With internal pilot supply
3)
With external pilot supply, operating pressure max. 6.0 bar with type of protection Ex d