ALFK-340 Series Top-mounted Float Ball Level Switch
Product Description
The ALFK-340 series is based on the principle that the magnetic float rises and falls synchronously with the liquid level. When the magnetic float, along the guide rod, reaches the position where the reed switch is installed, the reed switch is closed or released, and the corresponding digital signal is output. This signal can be directly input to the PLC and flash alarm for automatic level control and alarm. It is matched with the signal converter or input to the PLC to directly drive the 220VAC control circuit for automatic motor and valve control.
Features
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Responsive and highly accurate
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Various materials, including 316L and others
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Wide pressure and temperature range
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Optional configurations of DPDT or SPDT
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Can be coated with special coatings for excellent acid resistance
Technical Data
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Detection Range
100 mm ~ 6000 mm
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Control Accuracy
±10 mm
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Contact Capacity
24VDC, 0.5A (resistive); 220VAC, 1A, available for special requirements of users
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Explosion-proof Grade
Intrinsically safe Exia IIC T4-T6 Ga Flameproof Exd IIC T4-T6
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Specifi Cation of Float
φ92, φ84, φ54, φ48, φ25 (for special requirements, φ140 and φ76 are available)
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Float Material
304, 316L, PP
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Operating Temperature
-10 ~ 120° C
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Operating Pressure
-0.1MPa~2.5MPa
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Specification of Connecting Flange
DN100 (DN50, DN25), PN1.0 (PN1.6)
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Electrical Interface
M20×1.5 internal thread
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Connecting Flange Standard
HG20592~20635-97. Other standards (such as GB, JB, ANSI, and JIS) used by the user shall be indicated at the time of ordering
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ALFK-300 Series Sided-mounted Float Ball Level Switch
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