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Product Overview
The ZZYS30 vortex flowmeter is a state-of-the-art velocity flow instrument renowned for its broad spectrum of applications.
Ideal for measuring, monitoring, and controlling the flow of liquids, steam, and a variety of gases.
Boasting a revolutionary structure resistant to mechanical vibrations, impacts, and contamination, it offers unparalleled reliability.
With no moving parts, this flowmeter eliminates wear and tear and mechanical maintenance needs, ensuring low pressure loss, stable performance, and exceptional accuracy.
Installation is a breeze; the sensor and signal converter can be effortlessly matched to your specifications.
Product features:
Extensive application range, perfect for measuring the flow of steam, gas, and liquids.
Superior vibration performance with zero drift at zero point, completely mitigating the impact of external vibrations.
The ZZY30 model includes integrated temperature and pressure options, reducing installation costs for users.
Provides versatile output options: (0-5) kHz frequency output, (4-20) mA output, and HART/Modbus protocol communication.
Supports Bluetooth communication for parameter setting. It is wear-resistant, dirt-resistant, maintenance-free, boasts a long service life, and offers explosion-proof safety.
Technical index
Measurement medium: Gas, liquid, steam
Connection method: Flange clamp type, flange type, insertion type
Caliber specifications:
Flange clamping type: 25, 32, 50, 80, 100.
Flange connection type caliber selection: 100, 150, 200.
Flow measurement range: Normal measurement flow velocity range of Reynolds number 1.5×10^4~4×10^6; gas: 5~50m/s; liquid: 0.5~7m/s.
Normal measurement flow range for liquid,
Gas flow measurement range: see Table 2.
Steam flow range: see Table 3.
Measurement accuracy: Class 1.0, Class 1.5
Measured medium temperature:
Room temperature: -25ºC~100ºC, high temperature: -25ºC~150ºC, -25ºC~250ºC. Output signal: Pulse voltage output signal, High level 8~10V, Low level 0.7~1.3V. Pulse duty cycle is about 50%, transmission distance up to 100m.
Pulse current remote transmission signal: 4-20 mA, transmission distance up to 1000m. Instrument use environment: Temperature: -25ºC~+55ºC, Humidity: 5~90% RH at 50ºC. Material: Stainless steel, aluminum alloy.
Power supply: DC24V or lithium battery 3.6V
Explosion-proof grade: Intrinsically safe iaIIbT3-T6, protection level IP65.
PACKING & SHIPPING
We will deliver your ordered product at the earliest date as required.
Installation Requirements
Piping condition
The installation of the vortex flowmeter requires a specific length of straight pipe before and after the sensor. The usual configurations are as follows (D represents the diameter of the pipe):
1.
The sensor should be mounted on a horizontal, vertical, or inclined pipe (with the liquid flowing upwards) that matches the sensor's diameter. Ensure a straight pipe section of 15-20D upstream and 5-10D downstream.
2.
The pipe near the sensor should be completely filled with the measured liquid.
3.
Avoid installing the sensor on pipes that experience strong mechanical vibrations.
4.
Ensure the inner diameter of the straight pipe section closely matches the sensor diameter. If a match isn't possible, use a slightly larger pipe with a maximum error of ≤3% or 5mm. Do not install the sensor in areas with strong electromagnetic interference, limited space, or where maintenance is difficult..
5.
For horizontal pipeline installations, which are most common, place the sensor at a higher point for gas flows containing liquid and at a lower point for liquid flows containing gas.
6.
For vertical pipelines, install the sensor to measure gas flow in any direction. If the gas contains liquid, ensure the gas flows from bottom to top. For liquid flows, the direction should be bottom to top to avoid extra weight on the probe.
7.
Sensors may be side-mounted on horizontal pipelines regardless of the fluid type. This is particularly beneficial for superheated steam, saturated steam, or low-temperature liquids, as it minimizes temperature effects on the amplifier.
8.
Inverted sensor installation on horizontal pipelines is generally not advisable. It is unsuitable for general gases or superheated steam but can be used for saturated steam and high-temperature liquids, especially if frequent pipeline cleaning is necessary.
9.
When installing sensors on pipelines with insulation layers, ensure the insulation does not cover more than one-third of the bracket height, particularly for high-temperature steam.
10.
Select pressure and temperature measurement points carefully. For accurate readings, position the pressure measurement point 3-5D downstream and the temperature measurement point 6-8D downstream of the sensor.
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