Displacer level switch A10 series
for liquidscarbon steelbrass

displacer level switch
displacer level switch
displacer level switch
displacer level switch
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Characteristics

Technology
displacer
Medium
for liquids
Material
stainless steel, brass, aluminum, carbon steel
Mounting
threaded, flange
Process temperature

Min.: 38 °C (100 °F)

Max.: 260 °C (500 °F)

Process pressure

17 bar, 55 bar (246.56 psi)

Description

Single-Stage Switches Series A10 displacer type level measurement units are wide differential units calibrated to actuate as a liquid level reaches a given displacer and to deactuate when the level reaches a second displacer. Single stage, wide differential displacer switches are factory calibrated yet field-adjustable to operate over a wide level differential band. The minimum differential band is approximately 6 inches (152 mm) in water and varies somewhat with liquid specific gravity. The maximum differential is determined by the length of the displacer suspension cable. Series A15 units are calibrated to operate over a narrow level differential band and are ideally suited for liquid level alarm applications on either high or low level. Displacers adjustable at any point along the suspension cable 20 feet (6 meters) suspension cable standard Anti-surge design eliminates the possibility of switch shortcycling Flanged or threaded mounting available Easy installation Field adjustable set point and switch differential NACE models Floating rooftop models Choice of switch mechanism: ◦ Dry contact ◦ Hermetically sealed ◦ Pneumatic Choice of switch mechanism enclosure: ◦ TYPE 4X/7/9 Class I, Div. 1, Groups C & D, polymer coated aluminum ◦ TYPE 4X/7/9 Class I, Div. 1, Group B, polymer coated aluminum or cast iron ◦ NEMA 1, carbon steel for pneumatics Choice of displacers: ◦ Porcelain ◦ 316 Stainless steel ◦ Karbate ◦ Brass OPTIONS Electric or pneumatic switch mechanisms and enclosures Displacer cable length Materials of construction Tank connection Floating roof detection PROOF-ER® ground checker control

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Level control

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