Gas Flow Standard Device (critical Flow Nozzle Method)99

1. Product Name:Gas Flow Standard Device (critical Flow Nozzle Method)

2. Product Description:?Test items? Gas Flow Standard Device (critical Flow Nozzle Method) uses Venturi sonic nozzle as standard, which has high accuracy, wide flow range and high automation, it can be used to calibrate speed flowmeters (turbines, vortex streets, precession vortices, etc.), volumetric flowmeters (Roots, diaphragm gas meters, etc.), mass flow meters and other types of gas flow meters. ?Applicable standards? JJG 620-2008 Verification Regulation of Critical Flow Venturi Nozzle JJG 633-2005 Verification Regulation for Gas Displacement Meters JJG 1029-2007 Verification Reguation of Vortex-shedding Flowmeter JJG 1030-2007 Verificaton Regulation of Ultrasonic Flowmeters JJG 1037-08 Verification Regulation of Turbine Flowmeter JJG 1132-2017 Verification Regulation of Thermal Mass Gas Flowmeters ?Technical parameters? Flow range of the flowmeter: 0.06-7000m3/h Specification of flowmeter: DN 15~DN300 Device uncertainty: =0.5%, =0.3% Flow stability: <0.1%

3. Price:10.00

4. Product Website: https://www.zwh-autotest.com/measuring-equipment/gas-flow-standard-device-critical-flow-nozzle.html

5. Company Description: SHENYANG ZIWEIHENG TESTING EQUIPMENT CO.,LTD

6. Address: LiaoNingLiaoNingShenYangYuhongNo.5 Jinling Road, Zisha Street Yuhong District Shenyang City Liaoning Province

7. Descption: SHENYANG ZIWEIHENG TESTING EQUIPMENT CO.,LTD (abbreviation: ZWH or Ziwei Test) was founded in 1996,headquartered in Shenyang City, Liaoning Province. It is an international brand of pressure/flow/temperature/durability test equipment manufacturer and solution provider. It is also a comprehensive third-party organization integrating testing, calibration, inspection and technical services. The products cover the core fields of aeronautics&astronautics, national defense military industry, automotive, rail transit, ship heavy industry, nuclear industry, household electrical appliances, sanitary ware, fire protection, etc. After more than 20 years of vigorous development, it has become the most influential and dynamic new technology high-tech enterprise in the northeast of China. Since its inception of Ziwei Test, its business has expanded to automotive/ aeronautics&astronautics /rail transit/ship heavy industry/construction/nuclear industry/household electrical appliances/ sanitary ware /fire protection and many other fields. The output value has exceeded 100 million yuan for six consecutive years. The company has 256 employees. 72 Research and Development personnel, 28% of the total number of employees, the proportion of scientific and technical personnel is reasonable, the staff structure is reasonable, more than 90% of the company's technical centers are technicians with bachelor's degree or above. The company covers an area of 33 acres, with a construction area of 13,500 square meters and a factory building area of 10,500 square meters.

8. Registered Capital: 100

9. EmployeeNum: 256

SHENYANG ZIWEIHENG TESTING EQUIPMENT CO.,LTD

10. Contact: LiuDong

11. Telphone: 86-024-25366310

12. Fax: 86-024-25366346

13. Email: ziweiwaimao@aliyun.com

14. Company Website: http://www.zwh-autotest.com