Single-Jet Liquid Sealed Type Cold Water Meter

 

Brand Name	NWM
Model	SJ-LFC (FD2)
Type	Single jet
Body Material	Brass
Ratio	Class C/R160
Size	Dn15/20/25/32
Customized Support	OEM, ODM
Communication Port	Reed Switch/LoRa/LoRaWAN /NB-IoT
Installation Mode	Horizontal installation
Temperature Class	T30 (cold water)/T50
Pressure Rating	MAP16
Certificate	CE/MID 2014/32/EU
Place of Origin	Ningbo, China
Warranty	2 years

 

NWM SJ-LFC is an IMPELLER (turbine) water meter with mechanical transmission, liquid-protected water meter register for residential applications with sizes from Dn15 to Dn32 designed and manufactured by NWM and meets the requirements of Directive 2014/32/EU on measuring instruments; the European Standard EN14154+A1+A2:Water Meter; the International Organization of Legal Metrology OIML R-49: 2006(E): Water meters intended for the metering of cold potable water.

 

 

● All the Materials in contact with water, consciously selected by the known resistance to corrosion;

● Cold water meter under current standard for lower than 30℃(T30), but NWM SJ-LFC can be used safely in water temperature up to 50℃(T50);

● The rollers of the water meter register are hermetically sealed by special liquid don't touch with the water which ensures the clear reading in any operating conditions;

● The Impeller is the only moving parts in contact with water permitting the most reliable;

● The mechanical transmission movement with the maximum reliability.

 

 

 

Metrology

 

Max Permission Error

 

a.In the lower zone (Q1≤Q≤Q2): maximum permission error is ±5%;
b.In the upper zone (Q2≤Q≤Q4): maximum permission error is ±2%( T≤30℃), maximum permission error is ±3% (30℃

 

Pressure Loss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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