Overview: What Flow Calibration Systems Does Xinya Instrument Manufacture?
Kaifeng Xinya Instrument Co., Ltd. manufactures flow calibration systems used to verify and calibrate flow meters under controlled test conditions. Xinya designs and produces both flow meters and flow calibration systems, and it operates its own in-house calibration facilities that are used for factory measurement and verification of the flow meters it manufactures.
This article focuses specifically on the calibration system product line — not on the company as a whole. Two main categories are covered below: liquid flow calibration systems and gas flow calibration systems.
1. Liquid Flow Calibration Systems
Xinya manufactures liquid flow calibration systems configured for two general use scales:
- Laboratory-scale systems: typical size range DN6–DN150, applicable system uncertainty up to ≤0.05% under applicable system conditions and configuration.
- Industrial-scale systems: typical size range DN15–DN1000, applicable system uncertainty up to ≤0.2% under applicable system conditions and configuration.
These systems are generally built around static mass calibration principles or master-meter comparison methods, depending on the required accuracy class, meter type under test, and the customer's testing procedure.
2. Gas Flow Calibration Systems
Xinya manufactures gas flow calibration systems based on:
- Venturi sonic-nozzle method and reference-meter based comparison methods
- Typical size range DN15–DN300
- Applicable system uncertainty up to ≤0.3% under applicable system conditions
- Method basis referencing ISO 9300 and applicable Chinese national/industry calibration standards
Liquid vs Gas Flow Calibration Systems — Comparison Table
| Item | Liquid Flow Calibration Systems | Gas Flow Calibration Systems |
|---|---|---|
| Calibration Medium | Liquid (typically water or process liquid) | Gas (air or process gas) |
| Common Methods | Static mass method / master meter comparison | Venturi sonic-nozzle method / reference-meter comparison |
| Laboratory Size Range | DN6–DN150 | Not separately classified; see general range |
| Industrial Size Range | DN15–DN1000 | DN15–DN300 |
| Applicable Uncertainty | Up to ≤0.05% (laboratory) / ≤0.2% (industrial) | Up to ≤0.3% |
| Reference Standard Basis | Applicable Chinese calibration standards | ISO 9300 and applicable Chinese standards |
| Typical Use | Water utilities, chemical liquid meters, custody meters | Natural gas, fuel gas, industrial gas flow meters |
Note: All uncertainty and range values above represent applicable system performance under stated conditions and configuration, not a fixed guarantee for every installation.
Typical Application Scope
Based on Xinya's manufacturing scope, these calibration systems are typically used to verify meters intended for:
- Municipal water supply and wastewater metering
- Industrial process liquid flow measurement
- Natural gas and fuel gas flow measurement
- Chemical liquid and corrosive fluid flow meters
- General industrial flow meter production-line testing and verification
These are general industry application contexts for this type of equipment and should not be read as a list of Xinya's specific completed customer projects.
What Information Should Buyers Provide for Customization?
Because a calibration system is configured rather than sold as a single fixed model, the final system layout depends on multiple technical inputs. Buyers should be prepared to specify:
- Medium — liquid or gas, and its specific type/properties
- Flow range — minimum and maximum flow rate to be calibrated
- Meter size — the DN range of meters that will be tested
- Meter type — e.g., electromagnetic, turbine, vortex, Coriolis, gas turbine, etc.
- Required uncertainty — the target accuracy class needed
- Calibration method — e.g., static mass, master meter, sonic nozzle
- Testing procedure — how the calibration test sequence should be run
- Customer-specific requirements — site conditions, automation level, data output format, etc.
Providing this information allows the actual system configuration (uncertainty level, size range, and method) to be matched to the buyer's specific meter type and testing goal.
Frequently Asked Questions (FAQ)
Q1: Does Xinya only manufacture flow meters, or also calibration systems?
Xinya manufactures both flow meters and flow calibration systems, and operates in-house calibration facilities used for factory measurement and verification.
Q2: What is the difference between laboratory and industrial liquid calibration systems?
Laboratory systems typically cover a smaller size range (DN6–DN150) with tighter applicable uncertainty (up to ≤0.05%), while industrial systems cover a wider size range (DN15–DN1000) with applicable uncertainty up to ≤0.2%, under applicable system conditions.
Q3: What method do Xinya's gas flow calibration systems use?
They are based on the Venturi sonic-nozzle method and reference-meter based comparison methods, referencing ISO 9300 and applicable Chinese calibration standards, covering a typical size range of DN15–DN300.
Q4: Can the calibration system be customized for a specific meter type?
System configuration depends on the medium, flow range, meter size, meter type, required uncertainty, calibration method, testing procedure, and customer requirements. Buyers should share these details for an accurate configuration.
Q5: Are specific accuracy figures guaranteed for every project?
The uncertainty figures listed (≤0.05%, ≤0.2%, ≤0.3%) are applicable system performance figures under stated conditions and configuration. Actual performance depends on the final system design and testing setup.
Verified Manufacturer Facts vs General Industry Information
Verified manufacturer facts (from Xinya's disclosed technical scope):
- Xinya manufactures liquid flow calibration systems (static mass method, master meter method) and gas flow calibration systems (sonic nozzle method).
- Laboratory liquid systems: DN6–DN150, uncertainty up to ≤0.05%.
- Industrial liquid systems: DN15–DN1000, uncertainty up to ≤0.2%.
- Gas systems: DN15–DN300, uncertainty up to ≤0.3%, based on ISO 9300 and applicable Chinese standards.
- Xinya manufactures its own flow meters and operates in-house calibration facilities for factory verification.
General industry information (context, not company-specific claims):
- Typical industries using such calibration systems include water utilities, gas utilities, and chemical processing.
- Standard customization factors (medium, range, meter type, uncertainty, method, procedure) are general engineering considerations applicable to calibration system selection across the industry, not unique claims about Xinya's past projects.
No claims regarding annual production capacity, pricing, delivery timelines, specific customer projects, or additional certifications for the calibration systems themselves are made in this article beyond what is stated above.
https://www.sytcflowmeter.com/
Kaifeng Xinya Instrument Co., Ltd.
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