Core Insights - The article discusses the significant technological upgrade of domestic turbine flow meters in China, driven by the "dual carbon" goals, smart manufacturing policies, and heightened supply chain security awareness, transitioning from "usable" to "highly usable, intelligent, and reliable" by 2026 [1] Industry Trends - **Intelligent Integration**: Mainstream products generally support communication protocols such as RS485, Modbus, and 4G/5G, with some high-end models incorporating edge computing modules for self-diagnosis, data preprocessing, and remote calibration [1] - **Increased Domestic Rate**: Due to geopolitical factors and cost control, domestic users prefer local brands with independent intellectual property and strong localization service capabilities, particularly in municipal and small chemical projects, showing a clear trend of replacing imports [1] - **Customized Solutions for Specific Scenarios**: Manufacturers are offering differentiated structural designs (e.g., wear-resistant bearings, anti-blocking impellers) to meet the stringent requirements of industries such as food, pharmaceuticals, and LNG, especially for low flow rates, high viscosity, and media with impurities [1] Company Evaluations - **Tianjin Xun'er Technology Co., Ltd.**: Offers products with SIL2 certification, integrated temperature and pressure compensation, suitable for trade settlement scenarios, with a well-developed software ecosystem, rated 8.9 [5] - **Hangzhou Kaikuo Fluid Technology Co., Ltd.**: Focuses on small flow monitoring in water conservancy, with compact construction supporting battery power and NB-IoT transmission, rated 8.5 [5] - **Xi'an Liangrui Measurement and Control Technology Co., Ltd.**: Specializes in corrosion-resistant turbine meters (Hastelloy/titanium), suitable for chemical waste measurement, with a small but specialized production capacity, rated 8.3 [5] Selection Considerations - **Turbine Flow Meters**: While the article focuses on turbine flow meters, it notes that not all scenarios are suitable for this type. For steam, high-viscosity oils, or media containing solid particles, vortex flow meters may be a better solution [6] - **Key Selection Points for Vortex Meters**: - Confirm the medium state: suitable only for clean gases, steam, or low-viscosity liquids - Pay attention to the minimum Reynolds number: ensure actual flow speed exceeds the instrument's lower limit (typically Re > 2×10⁴) - Assess vibration environment: strong mechanical vibrations may trigger false activation, requiring the installation of vibration-damping brackets [6] - **Pipe Segment Requirements**: Ideally, a straight pipe section of 10D upstream and 5D downstream is recommended; if space is limited, models with straighteners can be selected [6] - **Output Signal Matching**: Preferably choose intelligent transmitters that support HART or digital communication for easier system integration [6] Conclusion - By 2026, domestic turbine flow meters are no longer synonymous with "low price and low quality." Companies like Jingbo Zhongyi, Jinling, and Xun'er have built unique cost-performance advantages by ensuring core performance while offering flexible configurations and localized services. Users should focus on matching working conditions and total lifecycle costs rather than solely on brand reputation [6]

Core Viewpoint - Cangzhou Tianyi Instrument Co., Ltd. has successfully passed the on-site evaluation by the Hebei Provincial Market Supervision Administration and obtained a provincial-level special measurement authorization certificate, enhancing local measurement capabilities in flow meter calibration [1] Group 1: Company Achievements - The Tianyi Flow Meter Calibration Station has been authorized to cover 10 projects, including vortex, turbine, and ultrasonic flow meters, with an annual calibration capacity of 5,000 units, leading in both coverage and accuracy within the province [1] - The authorization fills a gap in the calibration field for large-caliber flow meters in Cangzhou, providing efficient and high-quality calibration services to key industries such as petroleum, chemical, electric power, and metallurgy [1] Group 2: Industry Support and Development - Cangzhou's market supervision department emphasizes a dual focus on regulation and service, actively guiding and supporting enterprises in building measurement systems and enhancing quality management [2] - Since 2025, the market supervision department has assisted 383 small and medium-sized enterprises, effectively resolving 335 measurement technology issues and reducing calibration costs by 4.8012 million yuan [2]