NB and NS series

NB series

STK25

NB6

NB series is widely used for city gas in Japan and the measurement block is the same as N series’. It has a pressure sensor, shock sensor and shut-down valve, which are controlled by an embedded microcontroller, and has the option of pulse output.

Specifications and drawings

NS series

STK25

NS10

Communication port is added to NB series. The communication protocol is the Japanese unique method, called “A line”.

Specifications and drawings

Type NB/S1.6 NB/S2.5 NB/S4 NB/S6 NB/S10 NB/S16
Max flow rate (m³/h) 1.6 2.5 4.0 6.0 10 16
Starting flow rate (L/h) 1.0 1.0 1.0 1.0 1.0 1.0
Max pressure (kPa) 10 10 10 10 10 10
Height (mm) 258 280 324 324 422 422
Width (mm) 174 174 195 195 300 300
Depth (mm) 137 138 156 156 213 213
Weight (kg) 3.0 3.3 4.4 4.4 10.9 10.9