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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: Laison
  • Model Number: SJ-SDC D7
  • Size: DN 15,20
  • Type: Single-Jet
  • Surface: dry
  • Accuracy: Class
  • Strainer: Internal strainer
  • Regulation: External Device
  • Optional: Reed switch
  • Water pressure: <=1.6 MPa
  • Water temperature: <=50C

Packaging & Delivery

Packaging Details Cartons
Delivery Time About 30 days


Single-Jet Dry Type SJ-SDC D7
1. Class B
2. Single-jet Vane Wheel
3. Water meter

Single-Jet Dry Type SJ-SDC D7 


1. General

SJ-SDC D7 is IMPELLER (turbine) water meter with magnetic transmission, dry type register for residential application with sizes from Dn15 to Dn20 designed and manufacture by NWM and meets to the requirements of Directive 2004/22/EC 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 and hot water. 

2. Features


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

2) Cold water meter under current standard for lower than 30°C(T30), but NWM SJ-SDC (D7) can be used safely in water temperature up to 50°C(T50); 

3) Hot water meter under current standard for Lower than 90°C(T90);

4) Outside calibration for easy operation;

5) The ROTARY indicator register for the most comfortable reading position is of 8 Rollers and 1 Pointer;

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

7) The conception of the Magnetic Protection to against the external influences; 


3. Standards Compliance
ISO 4064 Class B for horizontal Installation


Dial Plate Design:






6. Installation Requirement
1) Pipeline must be flushed before installation
2) The meter should be constantly full of water during operation
3) The meter should be installed in horizontal with the direction of flow as marked on the body of the water meter.





Hangzhou Laison Technology Co., Ltd. 

Add: Zhejiang University National Science Park,
No. 525 Xixi Road, Hangzhou, China

Tel: +86 571 89715425

Fax: +86 571 89715426 

Gmail mailbox: Laisontech.alex (suffix @gmail.com)

Skype: qpmz12345


Website: www.laisontech.com

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