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Rotary Mechanical Water Meter LXS-50 BRASS

DN50 Rotatif Compteur d'eau (50calibre mm) A mechanical velocity-type water meter is mainly engineered for low-flow water measurement in residential and commercial settings. Its operational principle relies on water flow propelling an impeller (rotor) to rotate, with the number of rotations transformed into water usage (cubic meters/m³) via a gear transmission system. It is characterized by a straightforward design, consistent metering precision, and affordable cost.

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AVANTAGE

Grande précision: erreur minimale, performances stables.

Résistance à la pression: Résiste ≥ 1,0 MPa, adapté aux pipelines standard.

Installation facile: Connexions filetées (G3 {{URL_PlaceHolder_0}} ou BSP), s'adapte aux tuyaux ménagers.

Rentable: Aucune puissance nécessaire, sans entretien, durée de vie ≥ 6 ans (vérification régulière requise).

Paramètres techniques clés

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Diamètre nominal (DN) 50 mm

Flux permanent (q₃) 25m³ / h

Flux de transition (q₂) 0,5 m³ / h

Débit minimum (Q₁) 0,3125m³ / h

Flux de surcharge (Q₄) 31,25 m³ / h

Classe de précision classe 2 (± 2% d'écoulement élevé, ± 5% de débit faible)

Max.

Plage de températures Compteur d'eau froide: 0,1 à 30 ° C;

Perte de pression ≤0,063 MPa (à Q₃)

Structure et principe de travail

Composants:

Main Housing: Brass casting or technical polymer (compliant with drinking water standards).
Impeller (Rotor): Rotates at a speed proportional to flow velocity.
Gear Transmission System: Translates rotations into mechanical readings.
Register: Displays accumulated volume via mechanical dial with pointers.

Principe de travail

Water flow sets the impeller in motion, and its rotation is transferred through magnetic coupling or gear mechanism to the counter.

Caractéristiques

Precise Measurement: Negligible error with stable performance.
Résistance à la pression: Rated for ≥1.0 MPa, compatible with standard pipe networks.
Installation facile: Threaded fittings (G3/4″ or BSP threads) suitable for domestic plumbing.
Cost-Efficient: Requires no external power, low maintenance, operational life of ≥6 years (regular calibration recommended).

Applications

Residential Use: Apartments and household water supply systems.
Commercial Buildings: Shops, offices, and schools with low flow requirements.
Public Facilities: Public restrooms and water fountains.

Installation et maintenance

Mounting Orientation: Horizontal installation with display facing upwards; align arrow with flow direction.
Straight Pipe Requirement: Upstream ≥10 pipe diameters, downstream ≥5 pipe diameters; keep elbows and valves away from the meter.
Protection Measures: Insulate during freezing temperatures; shield from vibrations and magnetic fields (e.g., motors).

Paramètres de flux

Diamètre nominal (DN)	Flux permanent (q₃) (m³ / h)	Flux de transition (q₂) (m³ / h)	Débit minimum (Q₁) (M³ / H)	Flux de surcharge (Q₄) (M³ / H)	Classe de mesure	Applications typiques
DN15	2.5	0.05	0.03125	3.125	Classe 2	Ménages résidentiels, approvisionnement en eau à faible débit
Dn20	4.0	0.08	0.05	5.0	Classe 2	Maisons ou petits magasins
DN25	6.3	0.126	0.078	7.87	Classe 2	Small {{url_placeholder_0}} Commercial, appartements
DN32	10	0.2	0.125	12.5	Classe 2	Medium-sized buildings, public facilities
DN40	16	0.32	0.20	20	Classe 2	Grandes résidences, petites usines
DN50	25	0.5	0.3125	31.25	Classe 2	Complexes industriels et commerciaux
DN65	40	0.8	0.50	50	Classe 2	Approvisionnement en eau industrielle à grande échelle