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Burkert Solenoid Valve - 221753

Burkert Solenoid Valve - 221753

Burkert 2/2 way solenoid valve (type 6213) with G 1 1/2 inch threads and a 230 V AC coil. The circ...

Best current price£79.53from Tameson UK

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Tameson UK£79.53Visit shop

Burkert Solenoid Valve G3/8'' Nc Brass Nbr 0-10Bar/145Psi 230Vac 6213 221601

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Tameson UKBurkert Solenoid Valve G3/8'' Nc Brass Nbr 0-10Bar/145Psi 230Vac 6213 221601
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Rapid Online - Rapid Electronics Ltd.Bürkert 221 674 Solenoid Valve 24V DC G1/4 10mm 1.3m³/h Polyamide Coil
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eBayBürkert 221 674 Solenoid Valve 24V DC G1/4 10mm 1.3m³/h Polyamide Coil
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Product Information

Full details

The Burkert Solenoid Valve 221753 is a 2/2-way, normally closed valve designed for efficient control of liquids and gases. It's ideal for applications requiring reliable on/off switching without a minimum pressure differential, such as in water treatment, heating systems, and compressed air applications. A key benefit is its ability to operate from 0 bar, ensuring consistent performance. However, it requires a separate electrical connector and is best suited for clean, neutral media.

All features

Model Part Number221753
BrandBurkert

Extended Product Information

FAQs

What type of media can this valve be used with?

This valve is designed for clean, neutral liquids and gases. It is not suitable for abrasive particles, viscous fluids, or aggressive chemicals. Examples include water, air, and certain inert gases.

Does the electrical connector come with the valve?

No, the DIN connector is not included with the valve and must be ordered separately.

What is the minimum pressure required for the valve to open?

The valve is semi-direct operating and can open from 0 bar (no differential pressure required). A minimum pressure difference of 0.1 bar is needed for it to completely open.

What is the maximum operating temperature for the media?

The valve is suitable for media temperatures ranging from -10 °C to a maximum of 80 °C (176 °F).

How do I determine the correct flow rate (Kv value) for my application?

The Kv value indicates the flow rate of water in m³/h at a pressure drop of 1 bar. For your application, ensure the valve's Kv value (30 m³/h) is sufficient for the required flow, considering the specific fluid and pressure conditions.

Can this valve be used for vacuum applications?

Yes, the valve can be used in vacuum systems as it operates from 0 bar and is designed for robust sealing.

What is the enclosure rating for the solenoid coil?

While not explicitly stated in the provided details, similar Burkert solenoid valves often have an IP65 rating when properly connected, indicating protection against dust and low-pressure water jets.

Troubleshooting

Valve does not open when energized

Check if the 230 V AC supply is correctly connected to the coil. Ensure the coil is properly seated. Verify that the media pressure is not exceeding the maximum operating limit or that there isn't an internal blockage.

Valve does not close when de-energized

Confirm that the electrical supply has been completely removed from the coil. Check for debris or foreign matter that might be preventing the valve from seating properly. Ensure the spring return mechanism is not obstructed.

Leaking from the valve body or connections

Inspect and re-tighten pipe connections. Check the sealing surfaces of the valve body and mating components for damage. If the leak persists, the internal seals (NBR) may need replacement.

Reduced flow rate

Check the inlet and outlet ports for blockages caused by sediment or foreign particles. Clean the valve's internal passages if necessary, ensuring the media is compatible. Verify that the Kv value is adequate for the application's flow requirements.

Valve makes loud noises (water hammer)

While the design minimizes this, ensure smooth electrical switching and proper system pressure. Check for any excessive vibration or turbulence in the fluid flow.

Pros and Cons

Pros

  • Operates from 0 bar, no minimum differential pressure needed.
  • Durable brass construction with NBR sealing for broad media compatibility.
  • High flow rate due to the 40mm orifice.
  • Suitable for a wide range of pressures (0-10 bar).
  • Reliable performance with pilot-operated design.

Cons

  • Electrical connector is not included and must be ordered separately.
  • Best suited for clean, neutral media only; not for abrasive or aggressive substances.
  • Response time can be up to 4 seconds, which might be too slow for high-speed applications.
  • Maximum media temperature is limited to 80 °C.

Setup, Compatibility & Care

Setup:

  1. Ensure the valve is installed in the correct flow direction as indicated by the arrow on the valve body.
  2. Connect the valve to your piping system using the 1-1/2 inch G female threads. Use appropriate thread sealant for a leak-free connection.
  3. Connect the electrical supply (230 V AC) to the solenoid coil via a compatible DIN connector (sold separately). Ensure proper wiring according to electrical safety standards.
  4. Verify that the media being used is clean and neutral, within the specified temperature (-10 to +80 °C) and pressure (0 to 10 bar) ranges.

Compatibility:

  • Electrical: Requires a 230 V AC power supply. A standard DIN connector is needed for electrical connection.
  • Media: Suitable for liquids and gases that are clean and neutral. Examples include water, air, and certain inert gases. Avoid abrasive particles, viscous fluids, or corrosive chemicals.
  • Temperature & Pressure: Ensure operating conditions are within the specified limits (-10 to +80 °C and 0 to 10 bar).

Care:

  • Regularly inspect the valve for any signs of external damage or leaks.
  • If the valve's performance degrades, check for blockages in the inlet or outlet ports, especially if the media is not perfectly clean.
  • The coil can be easily removed for inspection or replacement. Ensure power is disconnected before performing any maintenance.
  • Periodically check electrical connections for corrosion or looseness.

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