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Product Overview
The ZZYS30 vortex flowmeter, a cutting-edge velocity flow instrument, is designed for a multitude of applications.
Ideal for precisely measuring, monitoring, and controlling the flow of liquids, steam, and a variety of gases.
Boasts an innovative structure that withstands mechanical vibrations, impacts, and contamination effortlessly.
Features include no moving parts, eliminating wear and tear, requiring no mechanical maintenance, low pressure loss, stable performance, and exceptional accuracy.
Installation is straightforward, with customizable sensor and signal converter options to meet specific needs.
Product Features:
Versatile application range, perfect for measuring the flow of steam, gases, and liquids.
Outstanding vibration resistance, zero drift at zero point, effectively mitigating the impact of external vibrations.
ZZY30 offers an integrated temperature and pressure product option, significantly reducing installation costs for users.
Provides multiple output options, including (0-5) kHz frequency output, (4-20) mA output, or HART communication/Modbus protocol communication.
Supports parameter settings via Bluetooth communication. Wear-resistant, dirt-resistant, maintenance-free, boasting a long service life, and explosion-proof for enhanced 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 a Reynolds number of 1.5×10^4~4×10^6; gas at 5~50m/s; liquid at 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 with 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 demands specific straight pipe sections both upstream and downstream. The standard configurations are as follows (D represents the pipe diameter):
1.
Ensure the sensor is mounted on a horizontal, vertical, or inclined pipe (with the liquid flowing bottom to top) matching the diameter of the sensor. Straight pipe sections should precede and follow the sensor, maintaining lengths of 15-20D upstream and 5-10D downstream.
2.
Ensure the pipes adjacent to the liquid sensor are filled with the medium being measured.
3.
Avoid installing the sensor on pipelines subject to strong mechanical vibrations.
4.
The inner diameter of the straight pipe should closely match the sensor diameter. If exact matching is impossible, use a pipe with a slightly larger diameter, maintaining an error margin of ≤3% and not exceeding 5mm. Refrain from placing sensors in areas with strong electromagnetic interference, confined spaces, or where maintenance is challenging..
5.
Horizontal pipeline installation is the most frequent method for flow sensors. For gas flow with minimal liquid content, mount the sensor at a higher pipeline point. For liquid flow with minimal gas content, position the sensor at a lower pipeline point.
6.
For vertical pipelines: When measuring gas flow, the sensor can be installed on a vertical pipeline with no directional flow restrictions. If the gas contains some liquid, ensure the flow is from bottom to top. For liquid flow, also maintain bottom-to-top flow to prevent additional weight on the probe.
7.
Side installation on horizontal pipelines: Suitable for all fluids including superheated steam, saturated steam, and low-temperature liquids. If feasible, side mounting is preferred to minimize temperature effects on the amplifier.
8.
Inverted installation on horizontal pipelines: Generally not recommended for general gases or superheated steam but can be used for saturated steam, high-temperature liquids, or scenarios requiring frequent pipeline cleaning.
9.
When measuring high-temperature steam, ensure the insulation layer does not exceed one-third of the sensor bracket height.
10.
Selection of pressure and temperature measurement points: For combined measurements near the sensor, position the pressure measurement point 3-5D downstream and the temperature measurement point 6-8D downstream.
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