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Series 3 and 4

Series 3 and 4

3/2 and 5/2-way
Ports G1/8, G1/4
The particular mechanical device allows these end-stroke valves to operate with very low actuating forces.
Series 3 has been designed with a mechanical lever device which works in negative pressure. To increase sensitivity it is possible to add to the lever a steel extension with ø 3 mm.

Series
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Construction spool-type (servocontrolled)
Valve group 3/2, 5/2 way/pos.
Materials aluminium body, stainless steel spool, NBR seals
Ports G1/8, G1/4
Ambient temperature 0°C ÷ 60°C
Medium temperature 0°C ÷ 50°C
Operating pressure see models
Fluid Filtered air, without lubrication. If lubricated air is used, it is recommended to use ISO VG32 oil.
Once applied the lubrication should never be interrupted.
CODING EXAMPLE
3 3 8 D15 9A5
3 SERIES:
3
4
3 FUNCTION:
3 = 3/2-way NC
4 = 3/2-way NO
5 = 5/2-way
8 PORTS:
8 = G1/8
4 = G1/4
D15 ACTUATION:
D15 = pressure drop/spring
015 = pressure/spring
011 = pressure/pressure
9A5 DEVICES:
9A5 = lever sensor, spring return
194 = plunger sensor, spring return
294 = plunger sensor, bistable

195 = lever/roller, spring return
295 = lever/roller, bistable