Contact us
Weifang Yafeng Chemical Instrument Co., Ltd.
Tel:86-536-5120378
Fax:86-536-5120378
Email:gs@yafengyibiao.com
Address:Lebushan Industrial Park, Weicheng District, Weifang City, Shandong Province
Flow meter
YFFZ metal tube float flowmeter
Overview:YFFZ metal tube float flowmeter is an intelligent instrument developed by our company. The flowmeter converts the fluid flow signal into an analog voltage signal and converts it into a 4-20 m
Overview:
YFFZ metal tube float flowmeter is an intelligent instrument developed by our company. The flowmeter converts the fluid flow signal into an analog voltage signal and converts it into a 4-20 mA two-wire linear current signal output. It is loaded with HART protocol communication, and has the characteristics of high accuracy, low drift, and strong anti-interference ability. And can realize remote configuration, monitoring, maintenance, and calibration of the instrument. Can achieve production process measurement, supervision and management.
Working principle:
The medium flow generates a lift effect on the float. When the lift received by the float is in equilibrium with the gravity of the float, the float stays at a certain position, and the measured medium flow can be measured by measuring the position of the float. As shown in Figure 1, the built-in magnetic steel of the float is coupled with the magnetic steel on the axis of the angular displacement sensor. The up and down movement of the float drives the angular displacement sensor to rotate, outputs a 4-20 mA current signal, and converts it into a flow value. It consists of two parts, which can be divided into vertical installation and horizontal installation according to the connection method.
The main technical parameters:
1 main parameters
Working voltage: DC24V;
Output signal: two-wire 4 ～ 20mADC current output and load HART protocol communication
Flange standards: HG / T20592-2009; HG / T20617-2009 (or according to user requirements).
Power inlet: M20 × 1.5 (internal thread) or according to user requirements
Input impedance: ＞ 100MΩ;
Standard load resistance: 250Ω.
Nominal pressure: DN15 ～ DN50 is PN≤10.0MPa, DN80 ～ DN100 is PN≤6.3MPa (or customized according to user requirements).
Accuracy: 1.0% FS, 1.5% FS, 2.0% FS, 2.5% FS, 4.0% FS.
Medium temperature: -40 ℃ ～ + 300 ℃.
Selection of damping time: (0 ~ 32 seconds).
Ambient temperature: -40 ° C to + 70 ° C (LCD: -20 ° C to + 70 ° C).
Explosion-proof type: intrinsically safe ExiaⅡCT4, flameproof ExdⅡCT4.
Protection class: IP67.
Measuring range
Water: 2.5 L / h to 100,000 L / h (20 ° C).
Air: 0.07 ～ 1800m3 / h (0.1013MPa, 20 ℃).
Applicable medium viscosity
DN15, DN20: η<5mPa.s (FZ15.1, FZ15.2, FZ15.3)
η<30mpa.s (FZ15.4, FZ15.5, FZ15.6, FZ15.7, FZ15.8, FZ20.1, FZ20.2)
DN25, DN40: η ＜ 250mPa.s
DN50, DN80, DN100: η ＜ 300mPa.s
2 Classification
Classification by installation: divided into vertical installation and horizontal installation,
Classified by applicable media:
Basic type: suitable for liquid measurement.
Damping type: suitable for gas and steam measurement.
Anti-corrosion type: lined with PTFE, suitable for measuring corrosive media.
Jacket type: used for occasions where the medium needs to be insulated or cooled.
Note: (anti-corrosion, jacket without horizontal installation type
| Model | Description | |||
| YFFZ | YaFeng Intelligent Metal Tube Float Flowmeter | |||
| Caliber | -X | The pipe diameter is expressed by Arabic numerals, for example, DN100mm can be expressed as -100 | ||
| Pressure | -1.6 | 1.0 1.6 2.0 2.5 4.0 6.3 6.3 or more | ||
| Installation type | l1 | bottom in, top ou | l2 | top in, bottom out |
| T1 | bottom in, top out, | T2 | bottom in, top out | |
| T3 | right in, left out | T4 | left in, right out | |
| T5 | Horizontal spring | |||
| Display form | z | pointer | ||
| Y | LCD type | |||
| Power | 0 | None | ||
| 1 | Lithium battery | |||
| 2 | 24VDC two-wire system | |||
| Adding mechanism | 0 | None | W | High temperature type |
| J | Jacket type | |||
| Z | Damping | |||
| Material | P | 304 | PL | 316L |
| P1 | 321 | F | Anticorrosive | |
| Output | None | |||
| Y | with distance | |||
| Alarm | No alarm | |||
| B-X | Alarm, X is the number of alarm points | |||
| Communication | None | |||
| H | With communication | |||
| Explosion-proof grade | No explosion protection required | |||
| a | Intrinsically Safe Exia IIT1 ~ T6 | |||
| b | Flameproof Exd IIBT1 ~ T6 | |||
| Attachment | None | |||
| E | Digital tube totalizer | |||
| F | liquid crystal totalizer | |||
| Media Name: | Working pressure (liquid can be omitted): | ||
| Working temperature (liquid can be omitted): | Density: | ||
| Manufacturing range: | Flange standard: |