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DESCRIPTION
Sealed 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 units are an industry standard in petroleum refineries and chemical plants. Thousands of these switches are in daily service throughout the world.
Features
- Carbon steel or stainless steel welded float chamber
- Service pressures up to 2240 psig (154 bar)
- Process temperatures up to +1000 °F (+538 °C); Consult factory for process temperatures up to +1200 °F (+650 °C)
- Specific gravity ratings as low as 0.32
- Available switch styles including dry contact, hermetically sealed and pneumatic
- Single or multiple switch mechanisms available
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Available switch enclosures include:
- NEMA 1 carbon steel for pneumatics
- TYPE 4X/7/9 Class I, Div. 1 Groups C & D or Groups B, C & D polymer coated aluminum
- 1", 11⁄2", or 2" tank connections available in either NPT, socket weld, flanged side/side or flanged side/bottom construction
- Optional high temperature insulation available. See bulletin 41-106.
Application
- Accumulators
- Flash tanks
- Receivers
- Knockout drums
- Flare pots
- Storage tanks
- Scrubbers
- Separators
- Oil refineries
- Chemical processing plants
- Steam and electric generating stations
TECH DATA
PRODUCT REVIEWS
Product Q & A
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