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External Cage Displacers
Liquid Displacer Level Switches
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External cage type level switches are completely self-contained units designed for side mounting to a tank or vessel with threaded or flanged pipe connections. These switches are engineered to customer specifications.
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Принцип на работа:
Liquid level movement changes the buoyancy force on a displacer suspended from a range spring. The force change on the spring causes it to expand or contract, moving an attraction sleeve into or out of the field of the switch magnet, actuating the switch.
Характеристики:
- Carbon or stainless steel cages (other materials at request)
- NACE construction (MR-01-75)
- Sealed or flanged cages
- Температура на процесаs up to +260° C (+500° F)
- Pressures up to 345 bar (5000 psi)
- Specific gravity as low as 0,40
Приложения:
- Foaming or surging liquids
- Agitated fluids
- Sewage handling
- Dirty liquids
- Paints and varnishes
- Heavy oils and liquids with solids
Опции:
- ATEX II 2G EEx d II C T6, explosion proof
- ATEX II 1G EEx ia II C T6, intrinsically safe
- CCE R1 (1) 136/MI/433, explosion proof
- FM/CSA Non-hazardous and explosion proof
- Lloyds Register of Shipping (marine Приложения)
- FSTS / RosTechnadzor
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