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Product Overview
The ZZYS30 Vortex Flowmeter is a state-of-the-art velocity flow instrument, designed to cater to a diverse array of applications.
Perfectly suited for the precise measurement, monitoring, and control of the flow of liquids, steam, and an extensive variety of gases.
This advanced flowmeter boasts a robust new structure engineered to withstand mechanical vibrations, impacts, and contamination.
With its innovative design, it features no moving parts, eliminating wear and tear, requiring no mechanical maintenance, and ensuring low pressure loss, consistent performance, and exceptional accuracy.
The installation is a breeze, with a sensor and signal converter that can be easily matched to meet specific needs.
Product Features:
Versatile application scope, ideal for the measurement of steam, gas, and liquid flows.
Outstanding vibration resistance, zero-point stability, effectively neutralizing the effects of external vibrations.
The ZZY30 series also offers integrated temperature and pressure product options, significantly reducing installation costs for users.
Flexible output options including (0-5) kHz frequency output, (4-20) mA output, along with HART communication or Modbus protocol communication.
Enhanced with Bluetooth communication for easy parameter setting, wear-resistant, dirt-resistant, requires no mechanical maintenance, offers a long service life, and comes with explosion-proof safety features.
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 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: 1.0 Class, 1.5 Class
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 is 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
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Installation Requirements
Piping Condition
The installation of the vortex flowmeter necessitates specific straight pipe sections before and after the device. The typical configurations are as follows (D denotes the diameter of the pipe):
1.
The sensor should be installed on a pipe that is horizontal, vertical, or inclined (with the liquid flowing from bottom to top). The pipe must have the same diameter as the sensor and should feature a certain length of straight pipe both upstream and downstream of the sensor. The required lengths are 15-20D for the front straight pipe section and 5-10D for the rear straight pipe section.
2.
The pipe near the liquid sensor must be filled with the liquid being measured to ensure accurate readings.
3.
The sensor should not be installed on pipes that experience strong mechanical vibrations, as this can affect accuracy.
4.
The inner diameter of the straight pipe section should align as closely as possible with the sensor's diameter. If matching is not feasible, use a slightly larger pipe, with a maximum error of ≤3% and not exceeding 5mm. Avoid installing the sensor in areas with strong electromagnetic interference, inadequate space, or where maintenance access is difficult..
5.
Horizontal pipeline installation is the most common method for flow sensors. For gas flow measurements where the gas contains a small amount of liquid, install the sensor at a higher point in the pipeline. For liquid flow measurements where the liquid contains a small amount of gas, install the sensor at a lower point in the pipeline.
6.
Sensor installation in vertical pipelines. For gas flow measurements, the sensor can be installed on a vertical pipeline without any flow direction restrictions. If the gas contains a small amount of liquid, ensure the gas flows from bottom to top. For liquid flow measurements, the liquid should also flow from bottom to top to avoid additional weight on the probe.
7.
Side installation of sensors on horizontal pipelines. Sensors can be side-mounted on horizontal pipelines regardless of the fluid type, especially useful for measuring superheated steam, saturated steam, and low-temperature liquids. Side mounting is preferred when possible, as it minimizes the temperature impact on the amplifier.
8.
Inverted installation of sensors on horizontal pipelines is generally not recommended. This method is unsuitable for measuring general gases or superheated steam but can be used for saturated steam and high-temperature liquids or in scenarios where pipelines require frequent cleaning.
9.
For pipelines with insulation layers measuring high-temperature steam, ensure the insulation layer does not exceed one-third of the bracket height.
10.
Selecting pressure and temperature measurement points. Depending on measurement requirements, when both pressure and temperature need to be measured near the sensor, place the pressure measurement point 3-5D downstream of the sensor, and the temperature measurement point 6-8D downstream of the sensor.
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