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The LWGY series liquid turbine flowmeter is a velocity-typeThe LWGY series turbine flowmeters are high-quality instruments devel-It can measure impurity-free,low viscosity (kinematic viscosityflowmeter based on the principle of conservation of momentum.Theoped through optimized design,leveraging advanced domestic and internationalbelow 10mm2/s),and non-corrosive liquids.The explosion-proof typefluid impacts the turbine blades,causing the turbine to rotate.Theflow measurement technologies.Featuring a simple structure,lightweight design,can be directly installed in combustible and explosive places,includingrotational speed of the turbine changes with the flow rate,and the flowhigh accuracy,and excellent repeatability,they are particularly suitable forzone 1 and zone 2 explosive gas hazardous environment.value is finally calculated from the turbine's rotational speed.industries such as sanitary,food,pharmaceutical,fine chemical,and petroleumsectors.
High repeatability accuracy, short-term repeatability can reach 0.05% ~ 0.15%
High measurement accuracy, up to 0.2 grade
With a wide range of applications, the pipe diameter ranges from DN4 to DN300
It supports multiple signal outputs including pulse frequency and 4-20mA current, and is equipped with RS485, HART, and other communication interfaces
The product can not only display the volume flow, but also display the mass flow by setting the density of the measured medium
Basic Parameters of Liquid Turbine Flowmeter
| Operative norm | JB/T9246-2016 "Turbine Flow Sensor" | ||
| Vertification reg-ulation | JJG 1037-2008 "Verification Regulations for Turbine Flow Meters | ||
| Applicable medium | Free from impurities,low viscosity(kinematic viscosity below 10mm²/s),and non-corrosive | ||
| Body material | 304 stainless steel or 316 stainless steel | ||
| Impeller material | 2Cr13 stainless steel or 2205 duplex stainless steel | ||
| Process connection mode | Threaded connection type | External thread co-nnection | DN4~DN80 |
| Female connection | DN4~DN50 | ||
| Flanged type | Flange joint | DN4~DN300 | |
| Flange clamp | DN15~DN200 | ||
| Clamp connection | Hygienic-grade clamp connect-ion | DN4~DN100 | |
| Applicable medium tempe-rature | -40℃~+80℃、 -40℃~+150℃ | ||
| Class of accuracy | 1.Level 0,0.5,0.3,0.2(customizable) | ||
| Nominal press-ure | PN16 to PN400(Class150 to Class 2500),see Table 4-2 for details. | ||
| Installambient temperat-ure | -20℃~+60℃ | ||
| Relative humidity of the installation environment | 5%~95% | ||
Liquid Turbine Flowmeter Selection Spectrum
| Model | Explain | |||||||||||
| LWGY- | With cert- anty | /□ | /□ | /0 | /0 | /0 | /0 | /0 | /0 | /□ | /□ | |
| Product line | N | Turbo flow sensor | ||||||||||
| A | Turbo flow transmitter | |||||||||||
| ES | Intelligent Turbine Flow Meter | |||||||||||
| Iside nominal di-ameter | 004 | DN4 | ||||||||||
| …… | …… | |||||||||||
| 300 | DN300 | |||||||||||
| Attended mode | F1 | Flange connection type | ||||||||||
| F2 | Flange clamp type | |||||||||||
| F3 | Clamptype | |||||||||||
| L1 | External thread type | |||||||||||
| L2 | Internal thread type | |||||||||||
| Outer shell mat-erial | S | 304 stainless steel | ||||||||||
| L | 316 stainless steel | |||||||||||
| Impeller material | 2C | 2Cr13 stainless steel | ||||||||||
| DP | 2205 duplex stainless steel | |||||||||||
| Pressure rating | PN16 | PN16 | ||||||||||
| PN25 | PN25 | |||||||||||
| …… | …… | |||||||||||
| PN400 | PN400 | |||||||||||
| A150 | Class150 | |||||||||||
| …… | …… | |||||||||||
| A2500 | Class2500 | |||||||||||
| Instrument type | N | 24V power supply,no on-site display,pulse output type | ||||||||||
| A | 24V power supply,no on-site display,4-20mA output | |||||||||||
| ES | 24V or dual power supply,field display, RS485/HART/current/pulse output | |||||||||||
| Measuring range | S | Standard measurement range | ||||||||||
| W | Extend measurement range | |||||||||||
| Measuring accuracy | 10 | 1.Level0 | ||||||||||
| 05 | 0.Level 5 | |||||||||||
| 03 | 0.Level 3 | |||||||||||
| 02 | 0.Level2 | |||||||||||
| Anti-hazard clas- sification | E | Explasion-proof | ||||||||||
| N | Not explosion-proof | |||||||||||
| Temperature resi-stance | 1 | -40℃~+80℃ | ||||||||||
| 2 | -40℃~+150℃ | |||||||||||
Note:For specific functions,please contact the relevant business personnel.