The LWGY series turbine flowmeter is a new generation of turbine flowmeter that has been optimized and designed based on advanced technology of flow meters at home and abroad. It has the characteristics of simple structure, lightweight, high accuracy, good reproducibility, sensitive response, and easy installation, maintenance, and use. It is widely used to measure closed pipelines and does not corrode stainless steel 1Cr17Ni9Ti, 2Cr13, and steel pressure Al ₂ O Ⅲ hard alloy. And there are no fibers or particulate impurities. For liquids with a kinematic viscosity of less than 5 × 10 ⁻⁶ at working temperature, the flowmeter can be used after real liquid calibration for liquids with a kinematic viscosity greater than 5 × 10 ⁻⁶. If matched with display instruments with special functions. It can also perform quantitative control, over limit alarm, etc., making it an ideal instrument for flow measurement and energy conservation.
Product Details
Technical Parameters
| Execution Standard | Turbine flow sensor (JB/T9246-1999) | |
| Instrument diameter (mm) and connection method |
4. 6, 10, 15, 20, 25, 32, 40 are connected by threads (15, 20, 25, 32, 40) 50, 65, 80, 100, 125, 150, 200 are connected by flanges |
|
| accuracy class | ± 1% R, ± 0.5% R, ± 0.2% R (to be customized) | |
| turndown ratio | 1:10； 1:15； 1:20 | |
| Sensor material | 304 stainless steel, 316 (L) stainless steel, etc | |
| Terms of Use |
Medium temperature: -20 ℃~120 ℃ Relative humidity: 5%~90% |
Environmental temperature: -20 ℃~60 ℃ Atmospheric pressure: 86Kpa~106Kpa |
| Signal output function | Pulse signal, 4-20mA signal | |
| Communication output function | RS485 communication, HART protocol, etc | |
| working power supply | A. External power supply: 24VDC ± 15% ripple ≤± 5%, suitable for 4-20mA output, pulse output, RS485, etc | |
| B. Internal power supply: 1 set of 3.0V10AH lithium batteries, which can work normally when the battery voltage is between 2.0V and 3.0V. | ||
| Signal line interface | Basic type: Hausman connector or self-contained three core cable; Explosion proof type: Internal thread M20 × 1.5 | |
| Explosion-proof rating | ExiaICIT4 or ExdIIBT6 | |
| Protection Rating | IP65 or higher (customizable) | |
2. Measurement range and work pressure
| Instrument diameter (mm) | Normal flow range (m ³/h) | Expand flow range (m ³/h) | Conventional connection method and voltage resistance level | Specially designed pressure resistance level (MPa) (flange clamping) |
|---|---|---|---|---|
| DN 4 | 0.04~0.25 | 0.04~0.4 | Threaded connection/6.3MPa | 10. 16, 25 |
| DN 6 | 0.1~0.6 | 0.06~0.6 | Threaded connection/6.3MPa | 10. 16, 25 |
| DN 10 | 0.2~1.2 | 0.15~1.5 | Threaded connection/6.3MPa | 10. 16, 25 |
| Dn15 | 0.6~6 | 0.4~8 | Threaded connection/6.3MPa | 4.0, 6.3, 10, 16, 25 |
| Flange connection/2.5MPa | ||||
| Dn20 | 0.8~8 | 0.45~9 | Threaded connection/6.3MPa | 4.0, 6.3, 10, 16, 25 |
| Flange connection/2.5MPa | ||||
| DN 25 | 1~10 | 0.5~10 | Threaded connection/6.3MPa | 4.0, 6.3, 10, 16, 25 |
| Flange connection/2.5MPa | ||||
| DN 32 | 1.5~15 | 0.8~15 | Threaded connection/6.3MPa | 4.0, 6.3, 10, 16, 25 |
| Flange connection/2.5MPa | ||||
| DN 40 | 2~20 | 1~20 | Threaded connection/6.3MPa | 4.0, 6.3, 10, 16, 25 |
| Flange connection/2.5MPa | ||||
| DN 50 | 4~40 | 2~40 | Flange connection/2.5MPa | 4.0, 6.3, 10, 16, 25 |
| DN 65 | 7~70 | 4~70 | Flange connection/2.5MPa | 4.0, 6.3, 10, 16, 25 |
| DN 80 | 10~100 | 5~100 | Flange connection/2.5MPa | 4.0, 6.3, 10, 16, 25 |
| DN 100 | 20~200 | 10~200 | Flange connection/1.6MPa | 2.5, 4.0, 6.3, 10, 16, 25 |
| DN 125 | 25~250 | 13~250 | Flange connection/1.6MPa | 2.5, 4.0, 6.3, 10, 16 |
| DN 150 | 30~300 | 15~300 | Flange connection/1.6MPa | 2.5, 4.0, 6.3, 10, 16 |
| DN 200 | 80~800 | 40~800 | Flange connection/1.6MPa | 2.5, 4.0, 6.3, 10, 16 |
Instrument classification
1. According to the classification of instrument functions, the LWGY series turbine flowmeter can be divided into two categories, namely:
Turbine flow sensor/transmitter
Intelligent integrated turbine flowmeter
2. Function Description
Turbine flow sensor/transmitter
This type of turbine flow product itself does not have on-site display function, only transmitting and outputting flow signals remotely. Flow signals can be divided into pulse signals or current signals (4-20mA); The instrument is inexpensive, highly integrated, and compact in size, making it particularly suitable for use with computer control systems such as secondary displays, PLCs, and DCS.
According to different output signals, this type of product can be divided into LWGY - □ N type and LWGY - □ A type
LWGY - □ N type sensor: 12~24VDC power supply, three wire pulse output, high level ≥ 8V, low level ≤ 0.8V; signal transmission distance ≤ 1000 meters; Pulse width=(\ frac {1} {24} \) × 1000 (ms);
LWGY - □ A type sensor: 24VDC power supply, two-wire 4-20mA output, signal transmission distance ≤ 1000 meters.
This type of turbine flow product is distributed in two types: basic type and explosion-proof type (ExdIIBT6).
Online Inquiry
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Phone: 0755-83343508/0755-28030573
Fax: 0755-83356166
Email: ming@greystoneenergy.com.cn
Address: 2nd Floor, Building 10, Shenliang Guanlan Automotive Electronics Characteristic Industrial Park, 299 Guanping Road, Longhua District, Shenzhen
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