SERIES L6 Flotect®

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DWYER SERIES L6 Flotect® LIQUID LEVEL SWITCH

The Dwyer Series L6 Flotect® Liquid Level Switch is a compact, rugged float switch designed for automatic tank level indication and liquid control in industrial environments. A compact, magnetically actuated liquid level switch with a leak-proof body, designed for simple and dependable operation in weatherproof and explosion-proof applications.

DWYER SERIES L6 Flotect® LIQUID LEVEL SWITCH

The Series L6 features a unique magnetic coupling design that eliminates mechanical linkages, bellows, or seals that can fail over time. A float lever pivoted within the body moves with the liquid, causing a magnet on the end to actuate a secondary magnet in the switch housing. This design ensures trouble-free service and allows the electrical assembly to be replaced without shutting down the process.

  • Trouble-free service due to compact design
  • Simple and dependable operation with no mechanical linkage
  • Leak-proof lower body machined from bar stock
  • Flexible application use with side wall or direct tee mounting options available to act as an external float

PRODUCT USES:

The Dwyer Series L6  is used for direct pump control to maintain liquid levels, as level alarms in systems like sumps, scrubbers, boilers, and hydro-pneumatic tanks, and for controlling valves and automatic tank dump operations. It is also employed for level monitoring in water and wastewater treatment processes.

Technical Sheets

Instruction Manual

Catalog Page

Specifications

DWYER SERIES L6 Flotect® LIQUID LEVEL SWITCH

  • Service: Compatible liquids
  • Wetted Materials
    • Body: Brass or 303 Stainless Steel
    • Float: Solid Polypropylene or 304 Stainless Steel
  • Temperature Limits:
    • Standard: -4 to 220°F (-20 to 105°C)
    • High-Temperature Option: Up to 400°F (205°C) (not UL, CSA, ATEX, or IECEx listed)
  • Pressure Limits:
    • Polypropylene Float: 2000 psig (137.8 bar)
    • Stainless Steel Float: 350 psig (24.1 bar)
  • Enclosure Rating: Weatherproof and Explosion-proof; NEMA 4X (IP66)
  • Switch Type: SPDT snap switch (Standard); DPDT snap switch (Optional)
  • Electrical Rating: 5 A @ 125/250 VAC; 5 A res., 3 A ind. @ 30 VDC
  • Process Connection: 1″ male NPT (standard); 1″ male BSPT (optional)
  • Mounting Orientation: Horizontal (standard); Vertical top mount (optional)
  • Minimum Specific Gravity:
    • Polypropylene Float: 0.90
    • 304 SS Float: 0.70
    • 304 SS Round Float: 0.50
  • Approvals: UL, CSA, ATEX, IECEx, and CE (model dependent)

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