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This is a Burkert semi-direct operating 2/2 way solenoid valve with G 1/2 inch threads and a 24 V AC coil. The valve has a brass housing with FKM sealing and an orifice size of 10 mm. The circuit function of the solenoid valve is normally closed, which means the valve opens when voltage is applied. As it is semi-direct operating, no pressure differential over the valve is needed to open the valve. Suitable for a pressure range of 0 to 10 bar (145 psi) and a maximum temperature of 120 °C (248 °F). The valve has a Kv-value of 1.9 m3/h, this translates to a flow rate of 32 l/min at a differential pressure of 1 bar (for water). In imperial units: Cv = 2, which means 2 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 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 has an IP65 rating if properly connected.