Function

3/2 NC 

 Pneumatic connection

Cartridge 

 Orifice size

 VA 304-505 

 VA 304-506

 VA 304-507

 VA 304-508 

0.5 mm 

1 mm 

1.5 mm 

2 mm 

 Weight

22 g 

 Mounting position

any 

 IP protection class (scope of delivery)

IP50 

 IP protection class (suitable plug)

IP65 

 Operating pressure

 VA 304-505 

 VA 304-506

 VA 304-507

 VA 304-508

0 ̶ 10 bar(g) 

0 ̶ 7 bar(g) 

0 ̶ 3.5 bar(g) 

0 ̶ 1 bar(g) 

 Pressure resistance

> 20 bar(g) 

 Flow rate with air @ max. pressure

 VA 304-505 

 VA 304-506

 VA 304-507

 VA 304-508

> 18 l/min 

> 55 l/min 

> 55 l/min 

> 35 l/min 

 Flow coefficient kv

 VA 304-505 

 VA 304-506

 VA 304-507

 VA 304-508

max. 0.12 l/min 

max. 0.52 l/min 

max. 0.92 l/min 

max. 1.32 l/min 

 Temperature range, environment

5 ̶ 50 °C 

 Temperature range, medium

5 ̶ 50 °C 

 Temperature range, storage

-10 ̶ 60 °C 

 Internal tightness

< 1 ml/min 

 External tightness

< 1 ml/min 

 Media quality

≤ 10 µm 

 Media

Air and inert gases, 

others upon request¹ 

 Electrical connection

 Flying leads 

 Length electrical connection

 80 mm 

 Nominal voltage

 12 V DC 

 Nominal coil resistance @ 20 °C

 85 Ω 

 Nominal power consumption

 1.7 W 

 Thermal resistance (no flow)

 approx. 45 K/W 

 Permitted Duty cycle (no flow)

 100 % 

 Housing

1.4305 

 Anchor

1.4105 

 Spring

1.4310 

 Seal o-ring

FKM 

 Seal anchor

FKM