MWN130-NC (DN40–300)
MWN130-NC (DN40–300)
Propeller flow sensor with horizontal rotor axis
- Removable measuring panel
- Readings reliability
- Wide measuring range and low starting rate
- Indicator-barrel counter in hermetic cover
- Resistance against the external magnetic field
- Counter mechanism with blockade against multiple rotating, at rotation angle more than 360°
MWN 130-NC is a propeller flow sensor intended for integration with an indicating calculator of a heat meter. The propeller flow sensor can be applied in water metering systems with the medium temperature between 0.1°C and 130°C and a maximum operating pressure of the medium at 16 bars (PN 16). The propeller flow sensor can be installed in horizontal piping (H) with the counter upward or in vertical or tilted piping (V) with the counter to the side — or at any orientation in between the two (H/V) — of heat supply systems at multi-family houses or industrial facilities.
Measurement range (MID):
- MWN130-NC (DN40-200) qi/qp =1:25 -H/V
- MWN130-NC (DN250-300) qi/qp =1:10 -H/V
ADVANTAGES
Economy: – Wide measurement range with a low starting threshold – Protection against tampering with EM fields (magnetic shielding), mechanical tampering (counter security cover) and multiple rotations of the counter by more than 360°
Convenience of use: – Easy installation – Modular design
Reliability: – Robust, heavy-duty design – Unified interchangeable metering unit – High anti-corrosive and damage resistance performance of the paint coat (made by epoxy powder coating) KEY FEATURES
- Wide measurement range with a low starting threshold
- Hard propeller bearings
- Environmental class C
- Hermetically sealed dial and barrel counter
- Counter mechanism rotation lock at 360° of turn
- Easy reading by freely rotating the counter at any orientation
- Resistant to external magnetic fields
- Low pressure loss
MID: Directive 2004/22/EC of the European Parliament and of the Council of 31 March 2004 on the harmonisation of the laws of the Member States relating to the making available on the market of measuring instruments
EN 1434-1:2007 Heat meters, Parts 1-6
OIML R 75:2002 and OIML R 75:2006 Heat meters, Parts 1-3
EC type examination certificate no. SK 11-MI004-SMU001
Classification of environmental, climate and mechanical conditions: Class B (ref. PN-EN 14154-3:2005:A1)
Classification of mechanical environment conditions: Class M1 (ref. Polish Regulation Dz.U. 2006.12.18)
Classification of electromagnetic environment conditions: Class E1 (ref. Polish Regulation Dz.U. 2006.12.18)
