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6519 NAMUR Pneumatic Solenoid Valve
Brand: Burkert Fluid Control SystemsThe valve bodies of Type 6519 NAMUR are identical with the Ex m variants.
The difference is in the coils, which are laid out and approved in different ways. By changing the coil on the valve body, it is possible to easily convert from Non-Ex operation to Ex operation (or vice versa).
The coils are designed to be push-over and can be locked in 4 x 90° displaced positions and be positioned any where in-between.
1 - 8 of 8 Part Numbers
131 421
- Circuit Function - H (5/2-Way Valve, Servo-Assisted, in De-energized Position Pressure Port 1 Connected to Port 2, Output 4 Exhausted)
- Voltage / Frequency - 24 Vdc
131 422
- Circuit Function - H (5/2-Way Valve, Servo-Assisted, in De-energized Position Pressure Port 1 Connected to Port 2, Output 4 Exhausted)
- Voltage / Frequency - 24 V, 50/60 Hz
131 423
- Circuit Function - H (5/2-Way Valve, Servo-Assisted, in De-energized Position Pressure Port 1 Connected to Port 2, Output 4 Exhausted)
- Voltage / Frequency - 110 V / 50/60 Hz
131 424
- Circuit Function - H (5/2-Way Valve, Servo-Assisted, in De-energized Position Pressure Port 1 Connected to Port 2, Output 4 Exhausted)
- Voltage / Frequency - 230 V / 50/60 Hz
131 425
- Circuit Function - C (3/2-Way Valve with Exhaust Recycling, in De-energized Position Port 2 Fed Back Internally)
- Voltage / Frequency - 24 Vdc
131 426
- Circuit Function - C (3/2-Way Valve with Exhaust Recycling, in De-energized Position Port 2 Fed Back Internally)
- Voltage / Frequency - 24 V, 50/60 Hz
131 427
- Circuit Function - C (3/2-Way Valve with Exhaust Recycling, in De-energized Position Port 2 Fed Back Internally)
- Voltage / Frequency - 110 V / 50/60 Hz
131 428
- Circuit Function - C (3/2-Way Valve with Exhaust Recycling, in De-energized Position Port 2 Fed Back Internally)
- Voltage / Frequency - 230 V / 50/60 Hz
1 - 8 of 8 Part Numbers
Specifications
Ambient Temperature Range
- -25° to 55° C (-13° to 131° F)
Approvals & Certifications
- Compressed Air Quality: ISO 8573-1: 2010, Class 7.4.4
- NAMUR
BSP Connection
- G 1/4" Female
- G 1/8" Male
Consumption
- Power (Hold [Hot Coil]): 2 W (AC/DC)
- Power (Hold [Hot Coil]): 6 VA (AC)
- Power (Inrush): 11 VA (AC)
Duty Cycle
- 100 % Continuous Operation
Electrical Connectors
- Tag Connector According to DIN EN 175301-803 (Previously DIN 43650) Form A for Cable Plug Typical 2508
Enclosure, Body Material
- Pilot & Main Valve: Glass Fibre Reinforced
- Pilot & Main Valve: Polyamide
Environmental Protection
- IP65
Flow Rate
- QNn Value Luft: 900 L/minute
Materials of Construction
- Socket Material: Nickel-Plated
- Threaded Socket Material: Brass
- Threaded Socket Material: Stainless Steel
Media
- Lubricated Compressed Air
- Neutral Medium
- Non-Lubricated Compressed Air
Mounting Position
- Preferably with Actuator Upright
Nominal Power
- Electrical: 2 W
NPT Connection
- 1/4" NPT Female
Operating Voltages
- 24 Vdc
- 24-230 V at 50/60 Hz
Orifice Size
- 6 mm
Override
- Manual Override
Pressure Range
- psi: 29 to 116 (kPa: 200 to 800, bar: 2 to 8)
Process Temperature
- -10° to 50° C (14° to 122° F)
Response Time
- Closing: 40 ms (Pressure Drop 100 to 10 %)
- Opening: 20 ms (Pressure Rise 0 to 90 %)
Seat / Seal Material
- Seal: NBR
- Seal: Polyurethane (PUR)
Solenoid Type
- 3/2-Way
- 5/2-Way
Tolerance
- Voltage: 10 %