DRY J series gas meters

       
 

2 Application
Yaweihua Gas Meter Co.,Ltd. of Dongfa (Group) is famous for that it is the first manufacturer to make the first piece of gas meter product in China, it is the first among the same line to realize the exportation of the gas meter technology, equipment and products. All of these gas meters have the characteristics of: high sensitivity, accurate measurements, deformation resistance, strong corrosion resistance, long service life, convenience installation, easy to repair and with reverse-proof device to prevent the counter from turning reversely, these gas meters are widely used in the measurements of pipe gas, natural gas, L.P.G.. and marsh gas etc.
聽J series gas meters are suitable for measuring flow- rates of town gas, natural gas, marsh gas and liquefied petroleum etc.

 
       
     
 
       
 

2 Application:
聽J series gas meters are suitable for measuring flow- rates of town gas, natural gas, marsh gas and liquefied petroleum etc.

2 Features:
high sensitivity, accurate measurements, easy to install and maintain, and with reverse-proof device (that prevents the counter set from turning reversely ). As the special surface treatment technology is adopted, the gas meters have strong corrosion resistance and long service life.

2 Structure:
gas meters of this series belong to diaphragm structure. The gas meter consists of outer casing, measuring unit and counter set.



 
       
銆 Form 1:

Item

Unit

Model

J1.6

J2.5

J4

Nominal flow-rate(Qn)

m3/h

1.6

2.5

4

Maximum flow-rate(Qmax)

m3/h

2.5

4

6

Minimum flow-rate(Qmin)

m3/h

0.016

0.025

0.040

Working pressure range

kPa

0.5-30

Average value of total pressure loss

Pa

鈮200

Maximum permissible error

Qmix鈮锕0.1Qmax

%

卤3

卤3

卤3

卤3

0.1Qmax鈮鈮ax

%

卤1.5

卤1.5

卤1.5

卤2

Max. cumulative reading figures

m3

99999

Weight

kg

2.85

Meter fitting joint threading

 

M30脳2

Meter fittings central distance

mm

130銆160

銆 Form 2:

Item /model

A

B

C

D

J1.6

130銆160

240

263

177

J2.5

130銆160

240

263

177

J4

130銆160

240

263

177

 
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