- DESCRIPTION
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DESCRIPTION
The Tuffy® II Liquid Level Switches are float-actuated devices designed for horizontal mounting in a tank or vessel through threaded or flanged pipe connections. The compact size allows for installation in small vessels, while its many features provide a variety of application uses. The single switch mechanism is available in SPDT or DPDT forms on units designed for fixed or adjustable, narrow or wide differential and interface service levels. This bulletin covers TUFFY II level controls with electric switches. For TUFFY with a pneumatic switch, see bulletin 44-109.
Features
- Pressure ratings to 2625 psi (181 bar)
- Process temperatures to +900 °F (+482 °C)
- Cost-effective clad flange design option
- NACE, ASME B31.1 and ASME B31.3 construction
- Specific gravity as low as 0.40
- SIL 2 suitable (FMEDA report available upon request)
Application
- Sour service (NACE)
- High/low alarm
- Single pump control
- Day storage tanks
- Corrosive processes (Hastelloy® C wetted parts)
- Process vessels
- Boiler low water cut-off
- Interface level
- Explosion proof installations
TECH DATA
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