Dwyer Flow / Float Switches

Flotect V6 Mini-Size Flow Switches

Explosion-proof; UL & CSA listed  Built to protect against low flow and flow stoppage in pipelines from 1/2" to 2" diameter  For pressures to 2000 PSIG; to 220°F maximum  Easily adapted to 1/4" and 3/8" piping with bushings added  Brass or stainless leak-proof steel bar stock lower body  No mechanical linkage - magnetically actuated  Electrical assembly can be easily removed for inspection or replacement without shutting down the pipeline  Low flow version available which provides field adjustment of the actuation flow point  Temperature limits: 220°F maximum  Operating pressure: to 2000 PSIG  Piping connection: 1/2 to 2" (for 1/4 and 3/8" use 1/2" switch tee and bushings)

Flotect V4 Vane Operated Flow Switch

Explosion-proof; UL and CSA listed  Dependable protection against flow variation or stopping in pipelines for fluids, gases, and flowing solids  Supplied with Multi-Layer Vane for field installation in pipes from 1 1/2" to 8" diameter  Magnetically actuated switching design  No bellows, springs, or seals to fail  Temperature limits: Standard 275°F  Operating pressure: Brass 1000 PSIG, 316SS 2000 PSIG available  Piping connection: 1 1/2" NPT  Options: time delay relay adjustable from 1 to 180 seconds; cartridge heater to melt paraffin, etc; DPDT snap switches

Flotect™ L4 Float Switch

Explosion-proof; U.L., CSA listed  Uses the time-tested Model V-4 Flotect Switch body to provide dependable liquid level control to start/stop pumps and open/close valves or to actuate alarm signals  Installed through a 1 1/2" thredolet welded to tank, the unit is easily field installed or replaced  Electrical assembly may be quickly removed without removing switch from tank  Float arm hinge design limits the arm angle to prevent vertical hang-up  Float is 316 stainless steel for service with compatible corrosive materials; For use in fluids with specific gravity down to 0.7  Temperature limits: Standard 275°F  Operating or maximum pressure: 100 PSIG rating on std. float; switch body rated 2,000 PSIG  Piping connection: 1 1/2" NPT  Optional: vertical mounting, floats for light fluids, high pressure, or corrosive service (other sizes, materials available)