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280 2/2-Way Solenoid Valve
Brand: Burkert Fluid Control Systems
Type 280 is a normally closed or normally open servo-assisted solenoid valve (circuit functions A and B).
For circuit function A, the valve is normally closed by spring action assisted by the fluid pressure. When de-energized, a pressure is built up above the servo diaphragm pressing it down to close the valve. When energized, the space above the servo diaphragm is exhausted via the pilot valve, the diaphragm is lifted by the fluid pressure to open the valve.
Circuit function B, normally open, provides the opposite function. It is important to note that the media is exhausted to atmosphere via the pilot operator when the valve is de-energised. The solenoid epoxy encapsulation efficiently dissipates the heat generated by the coil.
Features- Normally closed or open
- Body material: brass
- High flow rate
- Compact design
1 - 12 of 31 Part Numbers
018 792 Z
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G 3/8”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 24 V, 50 Hz
018 981 P
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G1/2”
- Pressure Range / Seal Material - bar: 0.2 to 6 / NBR
- Voltage / Frequency - 24 Vdc
019 184 R
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G 1/4”
- Pressure Range / Seal Material - bar: 0.2 to 6 / NBR
- Voltage / Frequency - 24 Vdc
019 853 X
- Circuit Function - 2/2-Way Valve, Normally Open, with 2-Way Pilot Control
- Orifice - 13 mm
- Port Connection - G1/2”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 380 V / 50 Hz
019 994 M
- Circuit Function - 2/2-Way Valve, Normally Open, with 2-Way Pilot Control
- Orifice - 13 mm
- Port Connection - G1/2”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 24 Vdc
020 780 F
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G 1/4”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 230 V / 50 Hz
022 201 V
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G 1/4”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 24 V, 50 Hz
022 238 Z
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G 3/8”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 110 V / 50 Hz
024 519 M
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G1/2”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 230 V / 50 Hz
025 077 N
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G 1/4”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 240 V, 50 Hz
025 867 K
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 8 mm
- Port Connection - G1/2”
- Pressure Range / Seal Material - bar: 0.2 to 16 / NBR
- Voltage / Frequency - 24 V, 50 Hz
055 281 W
- Circuit Function - 2/2-Way Valve, Normally Closed, with 2-Way Pilot Control
- Orifice - 13 mm
- Port Connection - G1/2”
- Pressure Range / Seal Material - bar: 0.2 to 16 / FPM
- Voltage / Frequency - 110 V / 50 Hz
1 - 12 of 31 Part Numbers
Specifications
Ambient Temperature Range
- Maximum
Applications
- Circuit Function B for Air or Gases
- Fire Protection Installations
- Irrigation Systems
- Laundries
- Machine Tools
- Neutral Gases & Liquids
- Sanitary Applications
- Varnishing Technology
BSP Connection
- G 1/2” Female - Valve
- G 1/4” Female - Valve
- G 3/8” Female - Valve
Consumption
- Power Consumption (AC Hold, DC): 8 W - Actuator
- Power Consumption (AC): 12 VA (Hold) - Actuator
- Power Consumption (AC): 21 VA (Inrush) - Actuator
Cycling Rate
- 0 to 100 cycles/minute - Actuator
Duty Cycle
- 100 % Continuous Rating - Actuator
Electrical Connectors
- Cable Plug for 7 mm Ø Cable, Moulded-in Cable, Cable Plug for 9 mm Ø Cable
Electrical Contacts
- Normally Closed
- Normally Open
Enclosure, Body Material
- Brass
Environmental Protection
- With Cable Plug or Cable: IP65 - Actuator
Flow Rate
- 0.8 to 4 Kv (m³/hour)
- 1,000 to 4,300 QNn (L/min)
Materials of Construction
- Valve Internals: 316Ti Stainless Steel, 1.4542
- Valve Internals: 430F Stainless Steel, 1.4104
Mounting Position
- Preferably with Solenoid System Upright
Operating Voltages
- 24-230 V / 50 Hz - Actuator
Orifice Size
- 0.31” to 0.51” (8 to 13 mm)
Pressure Range
- psig: 2.901 to 232.1 (kPa: 20 to 1,600, bar: 0.2 to 16)
Response Time
- Closing: Approximately 400 milliseconds - Valve
- Opening: Approximately 50 milliseconds - Valve
Seat / Seal Material
- Seal: EPDM (Fluids Handled: Oils & Fat-Free Fluids, Hot Water Alkaline Washing & Bleaching Lyes) - Valve
- Seal: fpm (Fluids Handled: Hot Air, Oxygen, Per-Solutions, Hot Oils with Additives) - Valve
- Seal: NBR (Fluids Handled: Neutral Fluids, Compressed Air, Town Gas, Water, Hydraulic Oil, Oils & Fat without Additives) - Valve
Solenoid Type
- 2/2-Way
Temperature Range
- EPDM: -40° to 90° C (-40° to 194° F) - Valve
- NBR, FPM: -10° to 90° C (14° to 194° F) - Valve
Tolerance
- Voltage Tolerance: ± 10 % - Actuator
Viscosity
- Maximum
- Neutral gases and liquids
- Circuit function B for air or gases (consult for use with liquids)
- Sanitary applications
- Fire protection installations
- Irrigation systems
- Laundries
- Varnishing technology
- Machine tools (e.g. cooling water)