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2.1 Intended use
Magnetic level gauge NA7-50 / 52
:
The magnetic level gauge is a liquid level gauge which can be used for steam
boilers and containers.
The indication is made via a float operated magnetic system.
The product corresponding to the EU 2014/68/EU.
Applied standards as per EN 13445 / EN 12952 / EN 12953 / AD 2000 or ASME-
Boiler.
3. Explanations
3.1 Scope of supply
- Standpipe with indicating ledge
- Float and new gasket are packed on the outside of the unit
- Setting magnet is enclosed
Additional equipment (also possible for existing devices):
- Magnetic switch
- Primary element MRK-…
- Drain valve
3.2 System description
The level gauge indicates the level in the boiler indirectly.
3.3 Function
The unit works according to the physical law of the communicating tubes.
The liquid level in the standpipe (2) is the same as the one in the boiler. The
liquid level is transmitted to the indicating ledge on the outside of the standpipe
via a float with inner magnetic system located inside of the standpipe. The
magnetic system actuates simultaneously additionally mounted switches (4) on
the standpipe and/or a sensor (5) for remote liquid level transmission.
Design sketch see chapter 5
4. Technical data
4.1 Versions
Summary of Contents for NA7-50
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