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6628 2/2 & 3/2-Way Rocker Solenoid Valve
Brand: Burkert Fluid Control Systems
Direct acting medium separated 2/2- and 3/2-way Rocker Solenoid Valve for control of aggressive fluids and gases in analytical medical applications, the food industry, and also the chemical industry for dosing, filling, mixing and distribution.
The medium is in contact with fluid housing and seal material solely through the isolating diaphragm.
This valve with the new TwinPower actuator, robust screw-in connection and 0.86" (22 mm) installation width, will fulfil the highest requirements. The established rocker solenoid technology is characterized through full back pressure tightness, good rinsing capability and low internal volume.
Type 6628 is available in different technical versions and by virtue of several body options, it offers a perfect adaption in fluid applications.
Features- Isolating diaphragm for high chemical resistance
- Circuit function NC, NO and 3-way universal
- Back pressure tightness via rocker principle
- Minimal internal volume with excellent cleanability
1 - 12 of 59 Part Numbers
230 304
- Circuit Function - 2/2-Way Valve, Direct-Acting, Normally Closed
- Orifice Size / Port Connection - 3 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -3 (bar) / 3 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Flying Leads 500 mm
- Voltage - 24 Vdc
230 305
- Circuit Function - 3/2-Way Valve, Direct-Acting, Universal Function
- Orifice Size / Port Connection - 3 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -2 (bar) / 2 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Flying Leads 500 mm
- Voltage - 24 Vdc
234 340
- Circuit Function - 3/2-Way Valve, Direct-Acting, Universal Function
- Orifice Size / Port Connection - 2 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -5 (bar) / 5 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Flying Leads 500 mm
- Voltage - 24 Vdc
234 350
- Circuit Function - 2/2-Way Valve, Direct-Acting, Normally Closed
- Orifice Size / Port Connection - 2 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -5 (bar) / 5 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Flying Leads 500 mm
- Voltage - 24 Vdc
235 315
- Circuit Function - 2/2-Way Valve, Direct-Acting, Normally Closed
- Orifice Size / Port Connection - 2 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -5 (bar) / 5 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Rectangular Plug
- Voltage - 24 Vdc
235 316
- Circuit Function - 2/2-Way Valve, Direct-Acting, Normally Closed
- Orifice Size / Port Connection - 3 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -3 (bar) / 3 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Flying Leads 500 mm
- Voltage - 12 Vdc
235 317
- Circuit Function - 2/2-Way Valve, Direct-Acting, Normally Closed
- Orifice Size / Port Connection - 3 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -3 (bar) / 3 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Rectangular Plug
- Voltage - 24 Vdc
235 318
- Circuit Function - 2/2-Way Valve, Direct-Acting, Normally Closed
- Orifice Size / Port Connection - 3 mm / Hose Connector
- Vacuum Pressure Range / Maximum Differential Pressure Range - -3 (bar) / 3 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Flying Leads 500 mm
- Voltage - 24 Vdc
235 319
- Circuit Function - 2/2-Way Valve, Direct-Acting, Normally Closed
- Orifice Size / Port Connection - 3 mm / G 1/8”
- Vacuum Pressure Range / Maximum Differential Pressure Range - -3 (bar) / 3 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Flying Leads 500 mm
- Voltage - 24 Vdc
235 320
- Circuit Function - 3/2-Way Valve, Direct-Acting, Universal Function
- Orifice Size / Port Connection - 2 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -5 (bar) / 5 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Rectangular Plug
- Voltage - 24 Vdc
235 321
- Circuit Function - 3/2-Way Valve, Direct-Acting, Universal Function
- Orifice Size / Port Connection - 3 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -2 (bar) / 2 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Flying Leads 500 mm
- Voltage - 12 Vdc
235 322
- Circuit Function - 3/2-Way Valve, Direct-Acting, Universal Function
- Orifice Size / Port Connection - 3 mm / Burkert Flange
- Vacuum Pressure Range / Maximum Differential Pressure Range - -2 (bar) / 2 (bar)
- Seal / Body Material - FFKM / PEEK
- Electrical Connection - Rectangular Plug
- Voltage - 24 Vdc
1 - 12 of 59 Part Numbers
Specifications
Ambient Temperature Range
- EPDM: -10° to 55° C (14° to 131° F)
- FFKM: 10° to 55° C (50° to 131° F)
- FKM: 0° to 55° C (32° to 131° F)
BSP Connection
- G 1/8” Female
Cable Length
- Electrical Connection: 1.64 feet (0.5 Meter)
Consumption
- Power: 5 W
Diaphragm Material
- Medium Contact: EPDM
- Medium Contact: FFKM
- Medium Contact: FKM
Differential Pressure
- psi: 29 to 72.5 (kPa: 200 to 500, bar: 2 to 5) - Max.
Duty Cycle
- 100 % Duty Cycle Continuous Operation
Electrical Connectors
- PFA Single Flying Leads, 0.5 mm²
- Rectangular Plug for Cable Plug Typical 2505
Electrical Contacts
- Normally Closed
- Normally Open
Enclosure, Body Material
- Fluid (Medium Contact): PEEK
- Fluid (Medium Contact): Polypropylene (PP)
- Fluid (Medium Contact): PVDF
- Valve, Fluid (Medium Contact): Polyphenylene Sulfide (PPS)
Environmental Protection
- IP30 with Rectangular Plug Typical 2505
- IP54
Flow Rate
- Air: 110 to 180 QNn (L/min)
- Water: 0.1 to 0.17 Kv (m³/hour)
Hose Connection
- 5/32” Hose
Materials of Construction
- Coil: Epoxy
Media
- Aggressive Gases & Liquids
Mounting Position
- Preferably with Actuator Upright
NPT Connection
- 1/8” NPT Female
Orifice Size
- 0.07” to 0.11” (2 to 3 mm)
Power Supply
- 12 Vdc ± 10 %
- 24 Vdc ± 10 %
Pressure Range
- psi: -72.5 to -29 (kPa: -500 to -200, bar: -5 to -2)
Process Temperature
- EPDM: -10° to 55° C (14° to 131° F)
- FFKM: 10° to 55° C (50° to 131° F)
- FKM: 0° to 55° C (32° to 131° F)
Response Time
- Opening, Closing: 25 milliseconds (Pressure Build-Up 0-10 %, 100-90 %)
Screw Material
- Fixing (End-to-end): Stainless Steel
Seat / Seal Material
- Flange Seal: EPDM
- Flange Seal: FFKM
- Flange Seal: FKM
Solenoid Type
- 2/2-Way
- 3/2-Way
Tolerance
- 12, 24 Vdc ± 10 %
Viscosity
- 21 mm²/sec, Max.
- Analytical medical applications
- Food industry
- Chemical industry