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Product Overview
The ZZYS30 vortex flowmeter is a type of velocity flow instrument with a wide range of applications.
It is suitable for measuring, monitoring, and controlling the flow of liquids, steam, and most gases.
It features a new structure that is resistant to mechanical vibrations, impacts, and contamination.
With no moving parts, no wear and tear, no need for mechanical maintenance, low pressure loss, stable performance, and high accuracy.
It is easy to install, and the sensor and signal converter can be matched as needed.
Product features:
Wide application range, suitable for measuring the flow of steam, gas, and liquid.
Excellent vibration performance, zero drift at zero point, effectively eliminating the influence of external vibrations.
ZZY30 offers temperature and pressure integrated product options, saving installation costs for users.
(0-5) kHz frequency output, (4-20) mA output, or HART communication/Modbus protocol communication.
Supports parameter setting via Bluetooth communication. Wear-resistant, dirt-resistant, no need for mechanical maintenance, long service life, explosion-proof for 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 with Reynolds number 1.5×104~4×106; Gas: 5~50m/s; Liquid: 0.5~7m/s.
Normal Measurement Flow Range: 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 is 100m
Pulse Current Remote Transmission Signal: 4-20 mA, Transmission Distance: 1000m Instrument Use Environment: Temperature: -25ºC~+55ºC, Humidity: 5~90% RH50ºC, 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 you require.
Prerequisites for Installation
Optimal Piping Conditions
To achieve precise measurements, the vortex flowmeter requires a specific straight pipe section both before and after installation. The common scenarios are detailed as follows (with D representing the pipe diameter):
1.
Position the sensor on a horizontal, vertical, or inclined pipe (ensuring liquid flows from bottom to top), maintaining the same diameter as the sensor. Ensure a certain length of straight pipe upstream (15-20D) and downstream (5-10D) to meet the accuracy requirements.
2.
The pipe adjacent to the sensor must be completely filled with the liquid to be measured.
3.
Avoid installing the sensor on pipes exposed to strong mechanical vibrations to maintain measurement accuracy.
4.
Ensure the inner diameter of the straight pipe section closely matches the sensor diameter. If mismatched, use a pipe with a diameter not exceeding 3% error or 5mm difference. Avoid areas with strong electromagnetic interference, limited space, or where maintenance is inconvenient..
5.
Horizontal pipeline installation is standard for flow sensors. For gas measurements containing small liquid amounts, place the sensor at a higher pipeline point. Conversely, for liquid containing small gas amounts, position the sensor at a lower point.
6.
For vertical pipelines, install the sensor without flow direction constraints when measuring gas. If the gas contains some liquid, ensure the flow is from bottom to top. For liquid measurements, always have the flow from bottom to top to prevent additional probe weight.
7.
Side-mount sensors on horizontal pipelines are suitable for all fluids, particularly superheated steam, saturated steam, and low-temperature liquids. Side mounting is preferable when conditions allow, as it reduces temperature impact on the amplifier.
8.
Inverted sensor installation on horizontal pipelines is generally discouraged. It's unsuitable for general gases or superheated steam but applicable for saturated steam, high-temperature liquids, or pipelines requiring frequent cleaning.
9.
For pipelines with insulation layers, particularly measuring high-temperature steam, ensure the insulation does not exceed one-third of the bracket height.
10.
Selecting Pressure and Temperature Measurement Points: Position the pressure measurement point 3-5D downstream of the sensor and the temperature measurement point 6-8D downstream to ensure accurate readings as per measurement requirements.
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