1'' NPT Brass 24VDC Proportional Oxygen Solenoid Valve 6223 463894
463894
Burkert
£316.34

1'' NPT Brass 24VDC Proportional Oxygen Solenoid Valve 6223 463894

1'' NPT Brass 24VDC...
1'' NPT Brass 24VDC...
1'' NPT Brass 24VDC...
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463894
Burkert

Bürkert 2/2-way solenoid valve (type 6223) with 1'' NPT threads and a 24V DC coil. Designed for proportional flow control. Normally closed (voltage = open) and indirect operating, so a small differential pressure required. For media with max 90°C at a differential pressure of 0.5-10 bar. Housing of brass with FKM sealing and a 20 mm orifice. The Kv-value is 5.4 m3/h (90 l/min at dp=1 bar water).

Note: product cannot be returned
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£316.34

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Description

Bürkert indirect operating 2/2-way solenoid valve with 1'' NPT inner threads and 24V DC (direct current) coil. Designed for proportional flow control through a PWM signal. The duty cycle of the signal determines the coil current, which directly correlates to the plunger position. Optionally, the valve can also be driven with DC voltage. The valve has a brass housing with FKM sealing and an orifice size of 20 mm. The circuit function of the solenoid valve is normally closed, which means the valve opens when voltage is applied. Suitable for systems with a differential pressure of 0.5-10 bar and a maximum temperature of 90°C. The valve has a Kv-value of 5.4 m3/h, this translates to a flow rate of 90 l/min at the differential pressure of 1 bar (for water). The brass housing is durable, suitable for neutral fluids and resistant to many chemicals. The FKM (fluorine rubber or viton) sealing has excellent chemical properties, is suited for most oils and solvents but it cannot handle hot water or steam. Please note that the internal valve parts, such as the stainless steel plunger and springs, are also in contact with the medium and must be chemically compatible. Consult our chemical resistance chart to verify compatibility of housing and seals with the medium. The valve can be proportionally controlled by using a digital controller such as, for example, the Bürkert 8605 or 8611 types. The valve has an IP65 rating if properly connected.

Important advantages

  • Good protection against the environment thanks to the IP65 rating
  • This valve is suitable for use with oxygen
  • Suitable for proportional control with PWM for larger flow rates
  • Very good flow characteristics thanks to the low hysteresis and good operating sensitivity
  • It can also function as a normal fully open/closed valve
  • Bürkert design: proven reliability & durability

6223 series

The Bürkert 6223 is an indirect-operated proportionally controlled valve and is primarly used for flowrate control for large flowrates with relatively high open and close frequencies. To open and close, the valve makes use of the pressure difference over the inlet and outlet ports. Therefore, always a minimal pressure differential is required. The valve works from 0.5 to 10 bar and the port size varies from 3/8" to 1". The orifice sizes can be DN 10, DN 13 or DN 20. The flow can be controlled using a digital controller (for example the Bürkert 8605 or 8611). Please note that the size of the valve may be more critical in flow control setups. For advice on which valve to choose and if the 6223 valve is right for you, please read our article about proportional solenoid valves or contact our technical support.

Please note: this product is made to order and can therefore unfortunately not be returned.

Downloads

Manual Burkert 6223 (EN) pdf Download save_alt

Specification

  • Connection sizeinfo
    1 inch
  • Voltageinfo
    24 V DC
  • Seal materialinfo
    FKM (FPM)
  • Operationinfo
    Indirect
  • Functioninfo
    Normally closed
  • Max pressure (bar)info
    10
  • Materialinfo
    Brass
  • Connection type
    Inner thread conical (NPT)
  • Features
    Proportional control
  • Kv value (m3/h)info
    5.4
  • Electrical connectioninfo
    DIN-A
  • Min pressure difference (bar)info
    0.5
  • Valve bore (mm)
    20
  • Min temperature (°C)
    -10
  • Max temperature (°C)
    90
  • Duty cycle
    100%
  • Max. ambient temp. (°C)
    55
  • Degree of protection (IP)
    IP65
  • Nominal power (VA)
    16

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