Modulevel Pneumatic and APM liquid level control / transmitter
Modulevel® Pneumatic and APM liquid level control / transmitter are displacement actuated level sensors that provide output signals in direct proportion to changes in liquid level. Simple modular design and the MAGNETROL proven magnetic coupling make MODULEVEL controls versatile, highly stable, vibration resistant and adaptable to extremes in temperature and pressure.
Technology
Displacer controllers
The key elements of the Modulevel® pneumatic control are magnetic coupling, which allows the controller to be mechanically isolated from the sealed sensing unit; the range spring, which translates the change in buoyancy force to motion of the attraction ball; and the controller head, which provides a modulated pneumatic signal in direct proportion to the input from the vertical motion of the attraction ball.
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Features
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Applications
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Operating principle
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Approvals
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Downloads
Settings
- Stable output signal is unaffected by surface turbulence
- Standard models handle pressures to 4265 psig (294 bar)
- Good for process temps. from -150 to +700 °F (-100 to +370 °C)
- Visual indicator is independent of air supply
- Accurate output signal provided over a wide specific gravity range
- 316 stainless steel displacer and trim, Inconel and 316 SST range springs (consult factory for Hastelloy displacer)
- Controller head may be removed without disturbing pressure boundary
- Easily calibrated without moving tank liquid level, for reduced installation time and cost
Options
- Pneumatic to current interface transducer for electronic control
- Electric high and low limit switches
- Sealed or flanged chambers
- Direct or reverse acting output signal
- Level ranges from 14 to 120 inches (356 to 3048 mm)
- Transmitter or differential gap options
| ATEX | Ex d, Ex ia |
|---|---|
| CCOE | Ex d |
| CSA | XP |
| FM | XP |
| EAC (GOST) |
Ex d, Ex ia |
| Inmetro | Ex d |
| Korea |
Ex d |
| NEPSI |
Ex d |
Other approvals are available. Consult factory for more details.
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Approvals and certificates
API 2350 Overfill Prevention
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Instruction manuals
Chemical Processing
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Product catalogs
Food and Beverage
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