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SẢN PHẨM ĐẶC BIỆT
CGR-01 ROTARY GAS METER
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Muốn
CGR-01 ROTARY GAS METER
ĐỒNG HỒ LƯU LƯỢNG GAS DẠNG ROTAYRY
Model: CGR-01
Hãng sản xuất: COMMON
| Pressure rating: | PN16, ANSI150 | |
| Nominal diameter: | DN40 up to DN100 | |
| Meter sizes: | G16 up to G400 | |
| Meter body: | Aluminium | |
| Rangeability: | up to 1:250, depending on the meter size | |
| Flow rate: | 0,2 up to 650m3/h | |
| Temperature range: | gas temperature -20°C to +60°C ambient temperature -25°C to +70°C |
|
| Flow direction: | variable directions possible without any construction changes | see section: “Installation and operation recommendations” |
| Measurement accuracy: | EU requirements and better guaranteed at least: Qt – Qmax < ± 1% Qmin – Qt < ± 2% |
|
| Allowed medias: | see table 2 |
Table 2: Physical properties of most popular gases that may be measured with the CGT turbine gas meters – density at 101,325 kPa and at 20°C
| Gas | Chemical symbol (formula) | Density ρ [kg/m3] | Density related to air |
Gas meter execution |
| Argon | Ar | 1,66 | 1,38 | standard IIB |
| Butane | C4H10 | 2,53 | 2,10 | standard IIB |
| Carbon dioxide | CO2 | 1,84 | 1,53 | standard IIB |
| Carbon monoxide | CO | 1,16 | 0,97 | standard IIB |
| Ethane | C2H6 | 1,27 | 1,06 | standard IIB |
| Ethylene | C2H4 | 1,17 | 0,98 | standard IIB |
| Helium | He | 0,17 | 0,14 | standard IIB |
| Methane | CH4 | 0,67 | 0,55 | standard IIB |
| Natural gas | – | ~0,75 | ~0,63 | standard IIB |
| Nitrogen | N2 | 1,16 | 0,97 | standard IIB |
| Propane | C3H8 | 1,87 | 1,56 | standard IIB |
| Acetylene | C2H2 | 1,09 | 0,91 | special IIC |
| Hydrogene | H2 | 0,084 | 0,07 | special IIC |
| Air | – | 1,20 | 1,00 | standard IIB |
ĐỒNG HỒ LƯU LƯỢNG GAS DẠNG ROTAYRY
Model: CGR-01
Hãng sản xuất: COMMON
The rotary gas meters are positive displacement meters, designed to measure quantity of gas, for custody transfer or technical measurement applications. The devices are mainly applied for gas fl ow ranges from 0.2 up to 650 m³/h, and the pressure range up to 20 bar. Special design rotary gas meters may also be used in higher pressure installations. The CGR Rotary Gas Meters are applied in measurement systems where high accuracy is required:
- transportation of natural gas
- primary and secondary measurements
- control metering of natural gas and non aggressive technical gases in industry
- flow measurement for technical purposes
The majority of applications are regional or local gas stations. Being a very precise instruments, resistant to disturbances and having a wide measurement range, the CGR Rotary Gas Meters satisfy all technical demands of customers.
