Burkert Type 6519 (SKU 20109453) is a 5/3-way pilot-operated pneumatic solenoid valve designed for reliable control in hazardous locations. Featuring an aluminium body and an Ex eb mb terminal box, this valve is certified for ATEX and IECEx environments. It operates with a circuit function L, where all port connections are closed in the middle position.

With a high flow rate of 1300 l/min and a 32 mm valve width, the Type 6519 is ideal for controlling double-acting actuators. It operates without continuous air consumption and utilizes high-quality materials like Polyamide and NBR seals for durability in demanding industrial conditions.

Technical Data

Property	Value
Orifice	9.0 mm
Port Connection	G 1/4 inch (Internal thread)
Pressure Range	3 to 10 bar
Medium Temperature	-10 °C to +55 °C
Ambient Temperature	-25 °C to +55 °C
Flow Rate (QNn)	1300 l/min
Operating Voltage	110 V AC/DC
Degree of Protection	IP65

Explosion Protection

The valve is equipped with an Ex eb mb terminal box without a fuse, suitable for hazardous locations.

• ATEX / IECEx: mb IIC T5 Gb; mb IIIC T95 °C Db

Circuit Function

Circuit Function L (CF L) 5/3-way solenoid valve, servo-controlled. In the middle position, all ports are locked.

Materials

Component	Material
Main Valve Body	Aluminium
Pilot Valve Body	Polyamide, glass-fibre reinforced
Seals	NBR

Dimensions

Note: The dimensions of the housing are identical to the variant with molded cable. For the terminal box coil dimensions, refer to the ATEX variant terminal box specifications below.