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Phone: 0415-6279972 / 6279973
Fax: 0415-6279975
Email: ddbest@qianhualy.com
Address: Baoquan Road, Zhenxing District, Dandong City, Liaoning Province
No. 20 (Lingang Industrial Park)
Postcode: 118009

Nanjing Zhongyuan Gas Instrument Company

Project Name: Standard Device for Atmospheric Sonic Nozzle Gas Meter Flow

The main technical parameters: Device expansion uncertainty: 0.5% (Sonic nozzle uncertainty 0.2%) (K = 2)

Gas meter specifications: G4 G6 G10

Flow range: 0.016-10m3 / h

Project description: This project is a set of standard device for gas meter flow of sonic nozzle method according to production needs of Nanjing Gas Meter Company. Complete knot
The structure adopts skid-mounted structure design. The air source uses a vacuum pump, and the standard device is a sonic nozzle. The atmosphere passes through the front and rear straight pipe sections, the clamp device, and the stagnation capacity
Devices, sonic nozzles, and manifolds enter the vacuum pump. And the microcomputer automatic verification system can be used to carry out the verification of the gas meter.