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6519 Extended NAMUR Ex i Pneumatic Solenoid Valve
Brand: Burkert Fluid Control Systems
The maximum fluid temperature may never exceed the permissible temperature class T4 135° C (275° F), T5 100° C (212° F), T6 85° C (185° F) minus 5K.
Features- Orifice size: 0.236" (6 mm)
- Pilot valve body material: Stainless steel
- Main valve body material: Aluminum ematal coated, stainless steel 1.4571
- Threaded socket material: Aluminum, stainless steel
- Medium temperature: -30° to 80° C (-22° to 176° F)
- Ambient temperature: -30° to 75° C (-22° to 167° F) and -40° to 75° C (-40° to 167° F)
- BSP connection: G 1/4"
- NPT connection: 1/4"
- Voltage tolerance: 10%
- Seal material: PU, NBR, FPM
1 - 12 of 12 Part Numbers
231 520
- Model - Aluminum with Manual Override
- Circuit Function - 3/2 WWC
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 29 mA / 310 Ohms / 9 V
231 521
- Model - Aluminum with Manual Override
- Circuit Function - 3/2 WWC
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 23 mA / 481 Ohms / 11 V
231 522
- Model - Aluminum with Manual Override
- Circuit Function - 5/2 WWH
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 29 mA / 310 Ohms / 9 V
231 523
- Model - Aluminum with Manual Override
- Circuit Function - 5/2 WWH
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 23 mA / 481 Ohms / 11 V
231 524
- Model - Aluminum with Manual Override
- Circuit Function - 5/2-Bistable WWZ
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 29 mA / 310 Ohms / 9 V
231 525
- Model - Aluminum with Manual Override
- Circuit Function - 5/2-Bistable WWZ
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 23 mA / 481 Ohms / 11 V
231 526
- Model - Stainless Steel with Manual Override
- Circuit Function - 3/2 WWC
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 29 mA / 310 Ohms / 9 V
231 527
- Model - Stainless Steel with Manual Override
- Circuit Function - 3/2 WWC
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 23 mA / 481 Ohms / 11 V
231 528
- Model - Stainless Steel with Manual Override
- Circuit Function - 5/2 WWH
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 29 mA / 310 Ohms / 9 V
231 529
- Model - Stainless Steel with Manual Override
- Circuit Function - 5/2 WWH
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 23 mA / 481 Ohms / 11 V
231 530
- Model - Stainless Steel with Manual Override
- Circuit Function - 5/2-Bistable WWZ
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 29 mA / 310 Ohms / 9 V
231 531
- Model - Stainless Steel with Manual Override
- Circuit Function - 5/2-Bistable WWZ
- Minimum Switching Current / Nominal Resistance / Minimum Terminal Voltage - 23 mA / 481 Ohms / 11 V
1 - 12 of 12 Part Numbers
Specifications
Ambient Temperature Range
- Aluminum: -40° to 75° C (-40° to 167° F)
- Stainless Steel: -30° to 75° C (-22° to 167° F)
Approvals & Certifications
- Compressed Air Quality: ISO 8573-1: 2010, Class 7.2.4
- NAMUR
- PTB 01-ATEX-2101 (II 2 G Ex ia IIC T6 Gb, II 2 G Ex ia IIIC T80° C Db)
- PTB IECEx 10.0019 (II 2 G Ex ia IIC T6 Gb, II 2 G Ex ia IIIC T80° C Db)
BSP Connection
- G 1/4" Female
Current
- Input: 0.9 A
Electrical Connectors
- Tag Connector According to DIN EN 175301-803 (Previously DIN 43650) Form A for Cable Plug Typical 2508
Electrical Rating
- (29 mA at 10.4 V Min., 360 ohms) at 55° C (131° F)
- (29 mA at 9 V Min., 310 ohms) at 20° C (68° F)
- 23 mA at 11 V Min., 481 ohms
Enclosure, Body Material
- Main Valve: 316Ti Stainless Steel 1.4571
- Main Valve: Aluminum Ematal Coated
- Pilot Valve: Stainless Steel
Environmental Protection
- IP65
Flow Rate
- QNn-value Air (Aluminum): 780 to 900 L/minute
- QNn-value Air (Stainless Steel): 1,050 to 1,280 L/minute
Materials of Construction
- Threaded Socket Material: Aluminum
- Threaded Socket Material: Stainless Steel
Media
- Lubricated Compressed Air
- Neutral Medium
- Non-Lubricated Compressed Air
Mounting Position
- Preferably with Actuator Upright
NPT Connection
- 1/4" NPT Female
Nut & Bolt Material
- Cap Nut: Stainless Steel
Orifice Size
- 0.236" (6 mm)
Output
- 24 Vdc
Override
- Manual Override
Power
- Input: 1.1 W
Pressure Range
- psi: 43.51 to 145 (kPa: 300 to 1,000, bar: 3 to 10)
Process Temperature
- -30° to 80° C (-22° to 176° F)
Response Time
- Closing: 14 to 74 ms
- Opening: 12 to 18 ms
Seat / Seal Material
- Seal (Stainless Steel): Polyurethane (PU)
- Seal: FPM
- Seal: NBR
Solenoid Type
- 3/2-Way
- 5/2-Way
- 5/3-Way
Tolerance
- Voltage: 10 %
Voltage
- Input: 35 V