Bosch Rexroth Pneumatics

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3/2-way valve, Series 490

▶ Qn = 20 l/min ▶ pipe connection ▶ compressed air connection output: Ø 4 ▶ Electr. connection: Plug, ISO 15217, form C ▶ single solenoid

Version	Poppet valve
Pilot	internal
Sealing principle	soft sealing
Working pressure min./max.	4 bar / 7 bar
Ambient temperature min./max.	-15°C / +50°C
Medium temperature min./max.	-15°C / +50°C
Medium	Compressed air
Max. particle size	5 µm
Oil content of compressed air	0 mg/m³ - 1 mg/m³

Degree of protection with electrical connector/plug	IP 65
Duty cycle	100 %
Switch-on time	16 ms

Materials:

Housing	Polyoxymethylene
Seals	Acrylonitrile Butadiene Rubber

Technical Remarks
■	The pressure dew point must be at least 15 °C under ambient and medium temperature and may not exceed 3 °C.
■	The oil content of air pressure must remain constant during the life cycle.
■	Use only the approved oils from Bosch Rexroth, see chapter „Technical information“.

Nominal flow Qn at 6 bar and Δp = 1 bar

Dimensions

1) Port 1 2) Port 2 3) Exhaust 4) Exhaust 5) Pocket hole 6 mm deep for 3.5 self-tapping screw 6) Mounting space for name plate 7) Coil can be rotated at 180° intervals