Selection and use of diaphragm pressure gauge diaphragm filling fluid

Selection and use of diaphragm pressure gauge diaphragm filling fluid

In order to ensure the reliability and safety of the diaphragm meter, the customer should select the appropriate filling liquid according to different purposes, and require the instrument manufacturer to carry out independent production.
Filling liquid
Pressure range of the pressure part
Specific gravity g/cm 3
Expansion parameter 1 / °C
use    way
1. High viscosity silicone oil
2. Low viscosity silicone oil
3. Acrylic acid solution
4. Plant oil
5. Fluorine oil
-10 ~ 200 °C
-30 ~ 100 °C
-5 ~ 100 °C
-5 ~ 100 °C
-30 ~ 100 °C
1 . 07
0 . 94
1 . 27
0 . 93
1 . 93
0 . 95 × 10 -3
1 . 08 × 00 -3
0 . 61 × 10 -3
1 . 03 × 10 -3
0 . 75 × 10 -3
High temperature
General use
Food
Food
Hydrogen
The diaphragm pressure gauge produced by Yade Instrument has successfully cooperated with chemical and petrochemical enterprises such as Dongguan Nine Dragons Paper Co., Ltd., Ningbo Fubao Chemical Storage Company, Baian Petrochemical Company and Nanhai Chemical Industry Co., Ltd.
 
 
Provided by Dongguan Yade Instrument Co., Ltd.
2009-10-06

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