Solenoid Valve NPT 3/4'' NC Stainless steel FKM 0.2-16bar/3-232psi 24VDC Anti-Waterhammer 6281 259111

Solenoid Valve NPT 3/4'' NC Stainless steel FKM 0.2-16bar/3-232psi 24VDC Anti-Waterhammer 6281 259111
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Reference: 259111
Brand: Burkert

Burkert 2/2 way solenoid valve (type 6281) with 3/4 inch NPT threads and a 24 V DC coil. The circuit function of the solenoid valve is normally closed (voltage = open). The valve is indirect operating, so a small differential pressure required. Suitable for max media temperatures of 120 °C (248 °F) and a pressure range of 0.2 - 16 bar (3 - 232 psi). Housing of stainless steel with FKM sealing and a 20 mm orifice. The Kv-value is 8.5 m3/h (141.69 l/min at dp = 1 bar water). Low risk of water hammer thanks to dampened closing.

Note: DIN connector not included.

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Note: product cannot be returned
Regular price
£269.45
excl VAT

In stock +31 days On request On request
For a higher quantity than 0 of product 259111, the lead time of the order will increase by 31 days. The item is not online available in your chosen quantity, there are 2 items available for online order. For higher quantities please contact us on support@tameson.com to request the lead time. The item is not available for online order, please contact us on support@tameson.com to request the lead time.


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Description
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This is a Burkert indirect operating 2/2 way solenoid valve with 3/4 inch NPT threads and a 24 V DC coil. The valve has a stainless steel 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 a pressure of 0.2 - 16 bar (3 - 232 psi) and a maximum temperature of 120 °C (248 °F). The valve has a Kv-value of 8.5 m3/h, this translates to a flow rate of 142 l/min at a differential pressure of 1 bar (for water). In imperial units: Cv = 10, which means 10 GPM @ 1 psi pressure drop. For many applications it is enough to select a valve based on the thread size and orifice diameter. For more accurate sizing, use the Kv-value with our easy to use valve sizing calculator. The stainless steel housing is very durable, strong and resistant to a wide range of chemicals with the exception of chloride solutions. 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's design prevents water hammering. The valve has an IP65 rating if properly connected.

Pros:

  • Good protection against the environment thanks to the IP65 rating
  • Type 6281 is ideal for larger flows
  • Solenoid valves open and close very fast compared to many other valve types
  • A damped design ensures reduced noise levels
  • Low risk on water hammer, thanks to the dampened closing

Cons:

  • Not suited for low pressure differentials (< 0.2 bar). In case of low pressure or a vacuum, consider a (semi-)direct solenoid valve
  • Solenoid valves are very sensitive to dirt and can only be used with clean liquids and gases
  • The coil may get hot when energized. A well ventilated environment is recommended

Series:

The Bürkert 6281 valve is an indirect operated solenoid valve of the S.EV series. To open and close, the valve features a large flexible rubber membrane. The pressure difference over the inlet and outlet ports is used to move the membrane up and down. A minimal pressure differential is always required. Thanks to the special design of the membrane and valve seat, the valve operates quietly. The brass housing satisfies all European drinking water requirements. The 6281 series offers various options, including different housing materials, ATEX versions, and a manual override feature.

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