Wide Range High Precision Digital LCD Waist Wheel Flowmeter Gas Roots Flow Meter Manufacturer Price in Stock
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Product Highlights
- Wide Application Range: Suitable for natural gas, industrial production, urban gas trade, and large user institutions.
- Customizable Specifications: Caliber DN25-250, range ratio 1:10-1:30, and temperature range -10~+100 Degree are customizable.
- Robust Construction: Body made of Aluminum Alloy or Stainless Steel with CE and ISO certifications.
- Flexible Installation: Supports both horizontal and vertical installation with tube or flange sensor options.
- Comprehensive Warranty: Provides 1-year warranty with dedicated technical support for after-sales service.
- Multiple Output Options: Offers Pulse, Pulse+4~20mA, and Pulse+4~20mA+RS485 communication signals.
- Fast Delivery: Normal delivery time is about one to two weeks depending on order quantity.
Product Attributes
- Customization
- Available
- After-sales Service
- Technical Support
- Warranty
- 1 Year
- Model NO.
- ATLQ
- Accuracy
- >±1%
- Main Application
- Nature Gas, Gas
- Size
- DN10-50
- Sensor
- Tube/Flange
- Application
- Industrial Production
- Type
- Turbine Flow Meter
- Measuring Media
- Gas
- Measuring Principle
- Electrical Principles
- Measurement Object
- Closed Pipeline
- Certification
- CE, ISO
- Caliber
- DN25 - 250
- Range Ratio
- 1:10, 1:20, 1:30
- Temperature of Medium
- -10~+100 Degree
- Communication Signal
- Three-Wire Pulsing
- Transport Package
- Carton Box with PP Film Wooden Box
- Origin
- China
- HS Code
- 9026801000
- Production Capacity
- 50000 PCS / Year
- Package Size
- 50.00cm * 50.00cm * 40.00cm
- Package Gross Weight
- 10.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Gas Lobed Rotor (Roots) Flowmeter is a kind of gas monitoring and measuring instrument with high precision, high reliability and wide range. The intelligent Roots flowmeter is a new flowmeter that integrates flow, temperature, pressure sensors and intelligence on the basis of Roots flowmeter.
With the passage of gas, the pressure difference between the inlet and outlet of the gas meter acts on a pair of waist wheels connected together by a high-precision synchronous wheel, thereby driving the waist wheel to rotate, the gas filled with the metering room is quantitatively discharged, and then connected by a mechanical transmission and a calculator to achieve gas volume and data conversion.
It widely used in urban gas trade measurement, especially for organs, schools, enterprises and institutions, hotels, restaurants and other large gas users trade measurement. It can also be used for various industrial raw gas main metering, gas distribution station, main gas supply station and other occasions.
| Model | Flow Spec | Size (mm) |
Flow Range (m³/h) |
Start up flow (m³/h) |
Max Pressure loss (KPa) |
| ATQL-25 | G16 | DN25 | 1-25 | 0.05 | 0.08 |
| ATQL-40 | G25 | DN40 | 1-40 | 0.05 | 0.08 |
| ATQL-50 | G25 | DN50 |
1-40 | 0.1 | 0.08 |
| G40 | 2-65 | 0.1 | 0.1 | ||
| G65 | 2-100 | 0.12 | 0.15 | ||
| ATQL-80 | G65 | DN80 |
2-100 | 0.12 | 0.15 |
| G100 | 2.5-160 | 0.1 | 0.15 | ||
| G160 | 3-250 | 0.1 | 0.18 | ||
| ATQL-100 | G160 | DN100 | 3-250 | 0.1 | 0.2 |
| G250 | 4-500 | 0.65 | 0.35 | ||
| ATQL-150 | G400 | DN150 | 8-650 | 0.76 | 0.46 |
| G650 | 15-1000 | 0.85 | 0.5 | ||
| ATQL-200 | G1600 | DN200 | 32-1600 | 0.95 | 0.6 |



| Type specification | Flow specification | L | H1 | H | Remark |
| ATLQ-25 | G16 | 273 | 128 | 340 | Note: 1. The flange connection size in the table is PN1.6MPa, and other elements not specified are implemented according to GB/T9119-2010 standard. 2, if you need PN1.6MPa and other standard specifications flange size according to the relevant standard requirements, the outline size please contact the manufacturer customized. 3, when installing, please consider the thickness of the flowmeter and the metal sealing gasket at both ends of the pipe (2~3) mm. |
| ATLQ-40 | G25 | 354 | 190 | 375 | |
| ATLQ-50 | G25 | 354 | 190 | 375 | |
| G40 | 425 | 190 | 375 | ||
| G65 | 425 | 190 | 375 | ||
| ATLQ-80 | G65 | 412 | 190 | 375 | |
| G100 | 412 | 190 | 375 | ||
| G160 | 475 | 245 | 400 | ||
| ATLQ-100 | G160 | 575 | 245 | 400 | |
| G250 | 665 | 245 | 400 | ||
| ATLQ-150 | G400 | 683 | 460 | 505 | |
| G650 | 802 | 460 | 505 |

Installation Tips
- Before installation and use, the user should read this description in detail to ensure the correct installation and reasonable use of the flow meter, so as not to affect the normal operation and measurement accuracy;
- Before installing the flow meter, the outlet package should be removed, and granular impurities must be prevented from falling into the measuring room, such as anti-rust oil on the surface of the measuring room, which can be washed with gasoline or kerosene, and impurities in the pipeline should be strictly removed. A filter or filter should be installed upstream of the flow meter to prevent rust slag, welding slag and impurities from entering the measuring room;
- When the flow meter is installed, whether the outlet is vertical or horizontal, the rotor axis should be kept horizontal as far as possible. In order to prevent the rust slag and welding slag impurities in the newly installed pipeline from entering the flow meter, the user should first install the transition pipe on the installation position of the flow meter, vent for a period of time (about a week), ensure that there are no large particles of impurities, and then replace the flow meter;
- Install the flow meter to ensure that the center of the flow meter is aligned with the center of the pipeline, without misalignment, and that the flow meter is not affected by external forces (including axial and tangential).
| ATQL | Parameters | ××× | × | × | × | × | × | × |
| Size (mm) | DN25-DN200mm | |||||||
| Accuracy | 1.5% (standard) | 1 | ||||||
| 1.0% | 2 | |||||||
| Nominal Pressure | 1.0MPa | 1 | ||||||
| 1.6MPa | 2 | |||||||
| Others | 3 | |||||||
| Body Material | Aluminum Alloy | A | ||||||
| Stainless Steel | S | |||||||
| Output/ Communication |
Pulse | 1 | ||||||
| Pulse+4~20mA | 3 | |||||||
| Pulse+4~20mA+RS485 | 4 | |||||||
| Power Supply | Battery Powered | 1 | ||||||
| Battery Powered + External Power DC24V | 2 | |||||||
| Ex-proof | With | 1 | ||||||
| Without | 2 | |||||||
| Installation | Horizontal | H | ||||||
| Vertical | V | |||||||




Q: How long is your delivery time?
A: it depends on the quantity. Normally it's about a week to two weeks.
Q: How to get quotation?
A: Please tell us the pipe diameter, measuring medium, flow rate, temperature, pressure, connection type and accuracy of the product you need, we will choose the most suitable product for you.
Q:can i design our own logo or color ?
A:sure ! we are glad to help you.
Q:Can I place a small order for the first time?
A:YES. This shows your recognition of us, I believe we will have longer-term cooperation.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI2341626". Items marked "" are certified.
Company Profile
Located in the heart of China's technological hub - Shanghai, Aister Instrumentation (Shanghai) Co., Ltd. is a leading high-tech enterprise specializing in the R&D, manufacturing, and global distribution of precision flow measurement instruments.
We locate at No. 199 Guangfulin Road in the Songjiang District of Shanghai - south of the G60 Science and Technology corridor - our company enjoys convenient transportation with proximity to the G60 and G15 highways.
Aister Instrument is a professional manufacturer and supplier specializing in industrial flow measurement and process automation solutions. With years of industry experience, we are committed to providing reliable, accurate, and cost-effective instruments for customers worldwide.
Our main products include electromagnetic flow meters, thermal mass flow meters, vortex flow meters, turbine flow meters, Coriolis mass flow meters, ultrasonic flow meters, PD flow meters, oval gear flow meters, rotameters, radar level meters, ultrasonic level meters, and other industrial automation instruments. These products are widely used in water treatment, petroleum, chemical, natural gas, food & beverage, power plants, environmental protection, HVAC, and other industrial fields.
We focus on product quality, measurement stability, and practical solutions for different working conditions. From production and calibration to testing and delivery, every process is strictly controlled to ensure high performance and long-term reliability. Our products support multiple output signals and communication protocols, including 4-20mA, pulse, RS485, Modbus, and HART.
Aister Instrument not only supplies standard products, but also provides OEM and ODM customization services according to different customer requirements such as pipe size, pressure, temperature, medium type, connection standards, and installation conditions. Our experienced technical team can offer professional selection guidance and application solutions for various industries.
With competitive prices, stable quality, fast delivery, and responsive service, our products have been exported to many countries and regions around the world. We always adhere to the principle of "Quality First, Customer Focused" and are dedicated to building long-term cooperation with global customers and partners.
About Our Factory & Business Background
- Address
- Room 401, 4th Floor, Building 11, 199 Guangfulin East Road, Songjiang District, Shanghai, China
- Terms of Payment
- LC, T/T
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- Shanghai, Ningbo
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2020-07-09
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- How long is your delivery time?
- It depends on the quantity. Normally it's about a week to two weeks.
- How to get quotation?
- Please tell us the pipe diameter, measuring medium, flow rate, temperature, pressure, connection type and accuracy of the product you need, we will choose the most suitable product for you.
- Can I design our own logo or color?
- Sure! We are glad to help you.
- Can I place a small order for the first time?
- YES. This shows your recognition of us, I believe we will have longer-term cooperation.
- What is the warranty period?
- We provide a 1-year warranty with technical support.
- What certifications does the flow meter have?
- The product has CE and ISO certifications.
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Product Groups
- Gas Ultrasonic Flow Meter
- PD Flow Meter Mechanical Counter
- Thermal Mass Flow Meter
- Vortex Flow Meter
- Gas Turbine Flow Meter
- Gas Roots Flow Meter
- Precession Vortex Flow Meter
- Electromagnetic Flow Meter
- Liquid Turbine Flow Meter
- Coriolis Mass Flow Meter
- Ultrasonic Flow Meter
- Metal Tube Rotameter
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