6518/6519 Ex i Pneumatic Solenoid Valve
Brand: Burkert Fluid Control SystemsThe intrinsically-safe Type 6518 Ex i and 6519 Ex i valves consist of an intrinsically-safe pilot control and a pneumatic amplifier.
The diaphragm-controlled valve seats work with very low friction, ensuring reliable switching of the valve, even after long shutdown periods.
Features
- High flow rate
- Low electrical power consumption
- Single or block installation
- Standard, Ex mb, Ex eb mb and Ex ia variants
- G 1/4” and NPT 1/4” sockets
Specifications
Seal Material
- Polyurethane (PUR)
- NBR
Body Material
- Polyamide
- Reinforced Glass Fibre
Pneumatic Connection
- Supply Connection 1, 3, 5 & Working Port 2, 4: Threaded G 1/4", 1/4" NPT
- Auxiliary Pilot Air Port: M5
Duty Cycle
- 100 % Continuous Operation
Orifice Size
- DN 8
- DN 9
Electrical Connection
- Cable Plug
Operating Voltage
- 24 Vdc
- 24-230 V 50/60 Hz
- 24-230 V UC
Media
- Neutral Medium (e.g. lubricated or oil-free compressed dry air)
Medium Temperature
- -10° to 55° C (14° to 122° F)
Flow Rate
- QNn Value Luft: 1,300 L/minute
Switching Time
- Closing: < 115 ms
- Opening: < 75 ms
Environmental Protection
- IP65
Pressure Range
- 2 to 10 bar
Ambient Temperature
- -25° to 55° C (-13° to 131° F)
Approvals & Certifications
- ATEX
- IECEx
- cULus
- cURus
- cFMus
Mounting Position
- Preferably with Actuator Upright